/*
 * Apple Human Interface Guidelines Implementation
 * Following official Apple Typography and Design Standards
 * iOS/iPadOS focused with proper Dynamic Type support
 */

/* ===== Official Apple System Fonts ===== */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@100;200;300;400;500;600;700;800;900&display=swap');

/* System font stack following Apple's recommendations */
:root {
    /* Apple Color Palette - iOS 15 / macOS Monterey */
    --apple-blue: #007AFF;
    --apple-blue-dark: #0040DD;
    --apple-blue-darker: #0033B3;
    --apple-blue-light: #5AC8FA;
    --apple-green: #34C759;
    --apple-green-dark: #248A3D;
    --apple-indigo: #5856D6;
    --apple-orange: #FF9500;
    --apple-pink: #FF2D55;
    --apple-purple: #AF52DE;
    --apple-red: #FF3B30;
    --apple-red-dark: #D70015;
    --apple-teal: #5AC8FA;
    --apple-yellow: #FFCC00;
    
    /* Gray Scale - Updated for better contrast */
    --apple-gray: #8E8E93;
    --apple-gray-2: #AEAEB2;
    --apple-gray-3: #C7C7CC;
    --apple-gray-4: #D1D1D6;
    --apple-gray-5: #E5E5EA;
    --apple-gray-6: #F2F2F7;
    --apple-gray-7: #FAFAFA;
    
    /* System Colors - Light Mode */
    --apple-background: #FFFFFF;
    --apple-secondary-background: #F5F5F7;
    --apple-tertiary-background: #FAFAFA;
    --apple-grouped-background: #F5F5F7;
    --apple-label: #000000;
    --apple-secondary-label: #6E6E73;
    --apple-tertiary-label: #999999;
    --apple-quaternary-label: #C7C7CC;
    --apple-separator: rgba(60, 60, 67, 0.12);
    --apple-separator-opaque: #C6C6C8;
    
    /* Elevation / Shadow Colors */
    --apple-shadow-color: rgba(0, 0, 0, 0.04);
    --apple-shadow-hover: rgba(0, 0, 0, 0.08);
    
    /* Apple Typography System - Official Specifications */
    /* Following Apple HIG: iOS/iPadOS default 17pt, minimum 11pt */
    --apple-font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'SF Pro Text', system-ui, 'Inter', 'Segoe UI', sans-serif;
    
    /* Apple Text Styles - Exact iOS/iPadOS Specifications */
    /* Large Title */ --text-large-title: 34pt;    /* ~45.33px */
    /* Title 1 */     --text-title-1: 28pt;       /* ~37.33px */
    /* Title 2 */     --text-title-2: 22pt;       /* ~29.33px */
    /* Title 3 */     --text-title-3: 20pt;       /* ~26.67px */
    /* Headline */    --text-headline: 17pt;      /* ~22.67px - matches body */
    /* Body */        --text-body: 17pt;          /* ~22.67px - Apple's default */
    /* Callout */     --text-callout: 16pt;       /* ~21.33px */
    /* Subheadline */ --text-subheadline: 15pt;   /* ~20px */
    /* Footnote */    --text-footnote: 13pt;      /* ~17.33px */
    /* Caption 1 */   --text-caption-1: 12pt;     /* ~16px */
    /* Caption 2 */   --text-caption-2: 11pt;     /* ~14.67px - Apple's minimum */
    
    /* Font Weights - Apple's Recommended Range */
    /* Avoid: Ultralight (100), Thin (200), Light (300) */
    --font-regular: 400;    /* Regular - Apple's base weight */
    --font-medium: 500;     /* Medium - Apple recommended */
    --font-semibold: 600;   /* Semibold - Apple recommended */
    --font-bold: 700;       /* Bold - Apple recommended */
    
    /* CSS Pixel Conversions - 1pt = 1.333px at 96dpi */
    --text-large-title-px: 45.33px;    /* 34pt */
    --text-title-1-px: 37.33px;        /* 28pt */
    --text-title-2-px: 29.33px;        /* 22pt */
    --text-title-3-px: 26.67px;        /* 20pt */
    --text-headline-px: 22.67px;       /* 17pt */
    --text-body-px: 22.67px;           /* 17pt - Apple default */
    --text-callout-px: 21.33px;        /* 16pt */
    --text-subheadline-px: 20px;       /* 15pt */
    --text-footnote-px: 17.33px;       /* 13pt */
    --text-caption-1-px: 16px;         /* 12pt */
    --text-caption-2-px: 14.67px;      /* 11pt - Apple minimum */
    
    /* Apple Layout System - 8pt Grid Foundation */
    /* Base unit: 8px (matches Apple's 8pt grid on all platforms) */
    --spacing-base: 8px;
    --spacing-2xs: 2px;   /* 0.25 × base - tight inline spacing */
    --spacing-xs: 4px;    /* 0.5 × base - minimal spacing */
    --spacing-sm: 8px;    /* 1 × base - standard small spacing */
    --spacing-md: 16px;   /* 2 × base - standard medium spacing */
    --spacing-lg: 24px;   /* 3 × base - large spacing */
    --spacing-xl: 32px;   /* 4 × base - extra large spacing */
    --spacing-2xl: 48px;  /* 6 × base - section spacing */
    --spacing-3xl: 64px;  /* 8 × base - major section spacing */
    
    /* Apple Touch Targets - Critical for iPad usability */
    --touch-target-min: 44px;    /* Apple's minimum touch target (44pt) */
    --touch-target-comfortable: 48px;  /* Comfortable touch target */
    --touch-target-large: 56px;  /* Large touch target for primary actions */
    
    /* Apple Border Radius - iOS/iPadOS Standard Values */
    --radius-2xs: 2px;   /* Tiny elements */
    --radius-xs: 4px;    /* Small buttons, badges */
    --radius-sm: 6px;    /* Small cards, input fields */
    --radius-md: 8px;    /* Standard buttons, cards */
    --radius-lg: 12px;   /* Large cards, modals */
    --radius-xl: 16px;   /* Hero elements, major containers */
    --radius-2xl: 24px;  /* Extra large elements */
    --radius-full: 50%;  /* Circular elements */
    
    /* Apple Shadows - Subtle iOS/iPadOS Elevation */
    --shadow-none: none;
    --shadow-xs: 0 1px 3px 0 rgba(0, 0, 0, 0.1);
    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* Apple Animation - Standard iOS/iPadOS Timing */
    --transition-instant: 0s;
    --transition-fast: 0.15s ease-out;     /* Quick UI feedback */
    --transition-base: 0.25s ease-out;     /* Standard transitions */
    --transition-slow: 0.35s ease-out;     /* Deliberate transitions */
    --transition-spring: 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);  /* Apple's spring animation */
    --transition-spring: 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
    
    /* Blur Effects */
    --blur-sm: blur(8px);
    --blur-md: blur(16px);
    --blur-lg: blur(24px);
    
    /* Apple Grid System - Based on 8pt grid foundation */
    --grid-columns: 12;
    --grid-gutter: var(--spacing-4);  /* 16px */
    --grid-margin: var(--spacing-3);  /* 12px */
    
    /* Apple Container Sizes - iPad Optimized */
    --container-xs: 100%;     /* Small devices */
    --container-sm: 576px;    /* iPad portrait */
    --container-md: 768px;    /* iPad landscape */
    --container-lg: 1024px;   /* iPad Pro */
    --container-xl: 1366px;   /* iPad Pro landscape */
    
    /* Apple Safe Areas - iOS/iPadOS device considerations */
    --safe-area-top: env(safe-area-inset-top, 0px);
    --safe-area-right: env(safe-area-inset-right, 0px);
    --safe-area-bottom: env(safe-area-inset-bottom, 0px);
    --safe-area-left: env(safe-area-inset-left, 0px);
}

/* ===== Global Resets ===== */
* {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

*::before,
*::after {
    box-sizing: border-box;
}

body {
    font-family: var(--apple-font-family) !important;
    background-color: var(--apple-secondary-background) !important;
    color: var(--apple-label) !important;
    
    /* Apple's Body Text Specifications */
    font-size: var(--text-body-px);        /* 22.67px (17pt) - Apple default */
    font-weight: var(--font-regular);      /* 400 - Apple recommended */
    line-height: 1.47059;                  /* Apple's line-height for readability */
    letter-spacing: -0.022em;              /* Apple's letter-spacing for 17pt */
}

/* ===== Apple Typography Hierarchy - Official Text Styles ===== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--apple-font-family) !important;
    color: var(--apple-label);
    margin-bottom: var(--spacing-md);
    
    /* Apple guideline: avoid light weights, use Regular/Medium/Semibold/Bold */
    font-weight: var(--font-semibold);     /* 600 - Apple recommended for headings */
    line-height: 1.2;                     /* Tighter line-height for headings */
    letter-spacing: -0.026em;              /* Apple's letter-spacing for larger text */
}

/* Large Title - 34pt */
h1 { 
    font-size: var(--text-large-title-px);  /* 45.33px (34pt) */
    font-weight: var(--font-bold);          /* 700 */
    letter-spacing: -0.04em;                /* More negative for large sizes */
    line-height: 1.15;
}

/* Title 1 - 28pt */
h2 { 
    font-size: var(--text-title-1-px);      /* 37.33px (28pt) */
    font-weight: var(--font-bold);          /* 700 */
    letter-spacing: -0.035em;
}

/* Title 2 - 22pt */
h3 { 
    font-size: var(--text-title-2-px);      /* 29.33px (22pt) */
    font-weight: var(--font-semibold);      /* 600 */
    letter-spacing: -0.03em;
}

/* Title 3 - 20pt */
h4 { 
    font-size: var(--text-title-3-px);      /* 26.67px (20pt) */
    font-weight: var(--font-semibold);      /* 600 */
    letter-spacing: -0.028em;
}

/* Headline - 17pt (same as body) */
h5 { 
    font-size: var(--text-headline-px);     /* 22.67px (17pt) */
    font-weight: var(--font-semibold);      /* 600 */
    letter-spacing: -0.024em;
}

/* Subheadline - 15pt */
h6 { 
    font-size: var(--text-subheadline-px);  /* 20px (15pt) */
    font-weight: var(--font-medium);        /* 500 */
    letter-spacing: -0.022em;
}

/* Apple Text Elements */
p {
    font-size: var(--text-body-px);        /* 22.67px (17pt) - Apple body text */
    font-weight: var(--font-regular);      /* 400 */
    line-height: 1.47059;                  /* Apple's comfortable reading line-height */
    letter-spacing: -0.022em;              /* Apple's body letter-spacing */
    color: var(--apple-label);             /* Primary text color */
    margin-bottom: var(--spacing-md);
}

/* Apple Text Style Classes */
.text-large-title {
    font-size: var(--text-large-title-px); /* 45.33px (34pt) */
    font-weight: var(--font-bold);         /* 700 */
    line-height: 1.15;
    letter-spacing: -0.04em;
}

.text-title-1 {
    font-size: var(--text-title-1-px);     /* 37.33px (28pt) */
    font-weight: var(--font-bold);         /* 700 */
    line-height: 1.2;
    letter-spacing: -0.035em;
}

.text-callout {
    font-size: var(--text-callout-px);     /* 21.33px (16pt) */
    font-weight: var(--font-regular);      /* 400 */
    line-height: 1.4;
    letter-spacing: -0.020em;
}

.text-footnote {
    font-size: var(--text-footnote-px);    /* 17.33px (13pt) */
    font-weight: var(--font-regular);      /* 400 */
    line-height: 1.38462;
    letter-spacing: -0.016em;
    color: var(--apple-secondary-label);   /* Secondary text for footnotes */
}

.text-caption-1 {
    font-size: var(--text-caption-1-px);   /* 16px (12pt) */
    font-weight: var(--font-regular);      /* 400 */
    line-height: 1.33333;
    letter-spacing: -0.014em;
    color: var(--apple-secondary-label);
}

.text-caption-2 {
    font-size: var(--text-caption-2-px);   /* 14.67px (11pt) - Apple minimum */
    font-weight: var(--font-regular);      /* 400 */
    line-height: 1.27273;
    letter-spacing: -0.012em;
    color: var(--apple-tertiary-label);    /* Tertiary text for smallest size */
}

/* Legacy support - map to Apple styles */
.lead {
    font-size: var(--text-callout-px);     /* 21.33px (16pt) callout instead of custom size */
    font-weight: var(--font-medium);       /* 500 - Apple recommended */
    line-height: 1.4;
    letter-spacing: -0.020em;
}

small, .small {
    font-size: var(--text-caption-1-px);   /* 16px (12pt) */
    font-weight: var(--font-regular);      /* 400 */
    line-height: 1.33333;
    letter-spacing: -0.014em;
}

/* ===== Cards - Apple iOS/iPadOS Style - MORE ROUNDED ===== */
.card {
    background: var(--apple-background) !important;
    border: 1px solid var(--apple-separator) !important;
    border-radius: 20px !important;             /* Much more rounded - Apple iOS style */
    box-shadow: var(--shadow-sm) !important;    /* Subtle Apple shadow */
    transition: all var(--transition-base) !important;  /* 0.25s - Apple standard */
    overflow: hidden;
    
    /* Remove non-Apple effects */
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
}

.card:hover {
    box-shadow: var(--shadow-md) !important;     /* Slightly elevated on hover */
    border-color: var(--apple-separator) !important;  /* Keep subtle border */
    transform: translateY(-1px);                 /* Subtle lift effect */
}

.card-header {
    background: var(--apple-background) !important;
    border-bottom: 1px solid var(--apple-separator) !important;
    padding: var(--spacing-md) var(--spacing-lg) !important;  /* 16px 24px - Apple standard */
    
    /* Apple Typography: Title 3 style for card headers */
    font-weight: var(--font-semibold);     /* 600 - Apple recommended */
    font-size: var(--text-title-3-px);    /* 26.67px (20pt) - Title 3 */
    letter-spacing: -0.028em;             /* Apple's letter-spacing for 20pt */
}

.card-body {
    padding: var(--spacing-lg) !important;       /* 24px - Apple standard content padding */
}

.card-footer {
    background: var(--apple-tertiary-background) !important;
    border-top: 1px solid var(--apple-separator) !important;
    padding: var(--spacing-lg) var(--spacing-xl) !important;
}

.card-title {
    /* Apple Typography: Title 2 style for prominent card titles */
    font-size: var(--text-title-2-px);    /* 29.33px (22pt) - Title 2 */
    font-weight: var(--font-semibold);    /* 600 - Apple recommended */
    letter-spacing: -0.03em;              /* Apple's letter-spacing for 22pt */
    margin-bottom: var(--spacing-sm);
}

.card-subtitle {
    /* Apple Typography: Subheadline style */
    font-size: var(--text-subheadline-px); /* 20px (15pt) - Subheadline */
    font-weight: var(--font-regular);     /* 400 - Apple recommended */
    color: var(--apple-secondary-label);
    letter-spacing: -0.020em;             /* Apple's letter-spacing for 15pt */
}

.card-text {
    /* Apple Typography: Subheadline for card body text */
    font-size: var(--text-subheadline-px); /* 20px (15pt) - Subheadline */
    font-weight: var(--font-regular);     /* 400 - Apple recommended */
    line-height: 1.4;                     /* Adjusted for 15pt */
    color: var(--apple-secondary-label);
    letter-spacing: -0.020em;             /* Apple's letter-spacing for 15pt */
}

/* ===== Buttons - Apple Touch Target & Design Standards ===== */
.btn {
    font-family: var(--apple-font-family) !important;
    
    /* Apple Typography: Use Medium weight (500) for buttons, body text size */
    font-weight: var(--font-medium);        /* 500 - Apple recommended for buttons */
    font-size: var(--text-body-px);        /* 22.67px (17pt) - Apple default button text */
    letter-spacing: -0.022em;              /* Apple's letter-spacing for 17pt */
    
    /* Apple Layout: PERFECT PILL SHAPE - Thinner, sleeker design */
    min-height: 36px;                      /* Thinner for sleeker design */
    border-radius: 9999px !important;      /* Perfect pill - circular ends */
    padding: 6px 24px !important;          /* Thinner padding for sleek look */
    border: 1px solid transparent !important;
    transition: all var(--transition-base) !important;  /* 0.25s - Apple standard transition */
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);               /* 4px - Apple icon-text spacing */
    
    /* Apple Design: Clean, minimal styling */
    box-shadow: var(--shadow-none) !important;
    background: none;
    position: relative;
    text-decoration: none !important;
    
    /* Apple Accessibility: Proper contrast and focus */
    outline: none;
}

.btn:focus-visible {
    outline: 2px solid var(--apple-blue);
    outline-offset: 2px;
}

/* Remove non-Apple effects */
.btn::before {
    display: none;
}

/* Apple System Blue - Flat color, no gradients */
.btn-primary {
    background-color: var(--apple-blue) !important;
    color: white !important;
    border-color: var(--apple-blue) !important;
}

.btn-primary:hover {
    background-color: var(--apple-blue-dark) !important;
    border-color: var(--apple-blue-dark) !important;
    color: white !important;
}

.btn-primary:active {
    background-color: var(--apple-blue-darker) !important;
    border-color: var(--apple-blue-darker) !important;
    box-shadow: 0 1px 4px rgba(0, 122, 255, 0.3) !important;
}

/* Apple System Green - Success Actions */
.btn-success {
    background-color: var(--apple-green) !important;
    color: white !important;
    border-color: var(--apple-green) !important;
}

.btn-success:hover {
    background-color: var(--apple-green-dark) !important;
    border-color: var(--apple-green-dark) !important;
    color: white !important;
}

.btn-success:active {
    background-color: var(--apple-green-dark) !important;
    border-color: var(--apple-green-dark) !important;
    transform: scale(0.98);
}

/* Apple System Red - Destructive Actions */
.btn-danger {
    background-color: var(--apple-red) !important;
    color: white !important;
    border-color: var(--apple-red) !important;
}

.btn-danger:hover {
    background-color: var(--apple-red-dark) !important;
    border-color: var(--apple-red-dark) !important;
    color: white !important;
}

.btn-danger:active {
    background-color: var(--apple-red-dark) !important;
    border-color: var(--apple-red-dark) !important;
    transform: scale(0.98);
}

/* Apple System Orange - Warning Actions */
.btn-warning {
    background-color: var(--apple-orange) !important;
    color: white !important;
    border-color: var(--apple-orange) !important;
}

.btn-warning:hover {
    background-color: #E68900 !important;
    border-color: #E68900 !important;
    color: white !important;
}

.btn-warning:active {
    background-color: #E68900 !important;
    border-color: #E68900 !important;
    transform: scale(0.98);
}

/* Apple Secondary Button - Gray (consolidated) */
.btn-secondary {
    background-color: var(--apple-gray-5) !important;
    color: var(--apple-label) !important;
    border-color: var(--apple-gray-4) !important;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08) !important;
}

.btn-secondary:hover {
    background-color: var(--apple-gray-4) !important;
    border-color: var(--apple-gray-3) !important;
    color: var(--apple-label) !important;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.12) !important;
}

.btn-secondary:active {
    background-color: var(--apple-gray-3) !important;
    border-color: var(--apple-gray-3) !important;
    transform: scale(0.98);
}

.btn-outline-primary {
    background: transparent !important;
    border: 2px solid var(--apple-blue) !important;
    color: var(--apple-blue) !important;
    box-shadow: none !important;
}

.btn-outline-primary:hover {
    background: var(--apple-blue) !important;
    color: white !important;
    box-shadow: 0 4px 12px rgba(0, 122, 255, 0.3) !important;
}

.btn-light {
    background: rgba(255, 255, 255, 0.8) !important;
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    color: var(--apple-label) !important;
    border: 1px solid var(--apple-separator) !important;
}

.btn-light:hover {
    background: rgba(255, 255, 255, 0.95) !important;
}

/* Button Sizes */
/* .btn-sm consolidated below; removed older conflicting variant */

/* Large buttons - perfect pill shape, thinner */
.btn-lg {
    font-size: 19px;
    padding: 8px 36px !important;         /* Thinner padding */
    border-radius: 9999px !important;     /* Perfect pill - circular ends */
    font-weight: 600;
    min-height: 44px;                     /* Thinner height */
}

/* Small buttons - perfect pill shape, thinner */
.btn-sm {
    font-size: 15px;
    padding: 4px 20px !important;         /* Thinner padding */
    border-radius: 9999px !important;     /* Perfect pill - circular ends */
    min-height: 32px;                     /* Thinner height */
}

/* Extra small buttons - perfect pill shape, thinner */
.btn-xs {
    font-size: 13px;
    padding: 2px 12px !important;         /* Thinner padding */
    border-radius: 9999px !important;     /* Perfect pill - circular ends */
    min-height: 28px;                     /* Thinner height */
}

/* Circular button variants */
.btn-circle {
    border-radius: 50% !important;         /* Perfect circles */
    width: var(--touch-target-min);
    height: var(--touch-target-min);
    padding: 0 !important;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-circle-lg {
    border-radius: 50% !important;
    width: 56px;
    height: 56px;
    padding: 0 !important;
}

.btn-circle-sm {
    border-radius: 50% !important;
    width: 40px;
    height: 40px;
    padding: 0 !important;
    min-height: unset;
}

/* Perfect pill button variants - all thinner */
.btn-pill {
    border-radius: 9999px !important;      /* Perfect pill - circular ends */
    padding: 6px 36px !important;          /* Thinner default pill */
}

.btn-pill-wide {
    border-radius: 9999px !important;      /* Perfect pill - circular ends */
    padding: 8px 48px !important;          /* Thinner wide pill */
}

.btn-pill-compact {
    border-radius: 9999px !important;      /* Perfect pill - circular ends */
    padding: 4px 18px !important;          /* Thinner compact pill */
}

.btn-pill-thin {
    border-radius: 9999px !important;      /* Perfect pill - circular ends */
    padding: 2px 24px !important;          /* Extra thin pill */
    min-height: 28px;
}

/* Button Groups - perfect pill ends */
.btn-group .btn {
    border-radius: 0 !important;
}

.btn-group .btn:first-child {
    border-top-left-radius: 9999px !important;   /* Perfect circular left end */
    border-bottom-left-radius: 9999px !important;
}

.btn-group .btn:last-child {
    border-top-right-radius: 9999px !important;  /* Perfect circular right end */
    border-bottom-right-radius: 9999px !important;
}

/* ===== Icons - Apple SF Symbols Style Guidelines ===== */
/* Apple recommends icons that scale with text and maintain proper proportions */

/* Button Icons */
.btn i,
.btn .fa,
.btn .fas,
.btn .far {
    font-size: 1em;                       /* Match text size - Apple principle */
    margin-right: var(--spacing-xs);      /* 4px - Apple icon-text spacing */
    vertical-align: middle;
    line-height: 1;
}

/* Icon Sizes - Based on Apple's icon scaling system */
.icon-xs { font-size: var(--text-caption-1-px); }    /* 16px (12pt) */
.icon-sm { font-size: var(--text-footnote-px); }     /* 17.33px (13pt) */
.icon-md { font-size: var(--text-body-px); }         /* 22.67px (17pt) - Default */
.icon-lg { font-size: var(--text-title-3-px); }      /* 26.67px (20pt) */
.icon-xl { font-size: var(--text-title-2-px); }      /* 29.33px (22pt) */

/* Touch Target Icons - For interactive elements */
.icon-touch {
    font-size: 20px;                      /* Optimized for touch targets */
    padding: var(--spacing-xs);           /* 4px padding for better touch area */
}

/* ===== Forms - Apple Touch Target & Design Standards ===== */
.form-control,
.form-select {
    font-family: var(--apple-font-family) !important;
    
    /* Apple Typography: Body text size (17pt) and Regular weight */
    font-size: var(--text-body-px);        /* 22.67px (17pt) - Apple default */
    font-weight: var(--font-regular);       /* 400 - Apple recommended */
    letter-spacing: -0.022em;               /* Apple's body text letter-spacing */
    
    /* Apple Layout: PERFECT PILL INPUTS - Thinner, sleeker design */
    min-height: 40px;                      /* Slightly thinner for sleeker look */
    border: 1px solid var(--apple-separator-opaque) !important;
    border-radius: 9999px !important;      /* Perfect pill - circular ends */
    padding: 8px 20px !important;          /* Thinner padding for sleek pill look */
    background: var(--apple-background) !important;
    color: var(--apple-label) !important;
    transition: all var(--transition-fast) !important;
    
    /* Subtle Apple-style input styling */
    box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.04) !important;
}

.form-control:hover,
.form-select:hover {
    border-color: var(--apple-gray-3) !important;
}

.form-control:focus,
.form-select:focus {
    border-color: var(--apple-blue) !important;
    box-shadow: 0 0 0 4px rgba(0, 122, 255, 0.1) !important;
    outline: none !important;
    background: var(--apple-background) !important;
}

.form-control::placeholder {
    color: var(--apple-tertiary-label);
    opacity: 1;
}

/* Form Labels - Apple Subheadline style */
.form-label {
    font-weight: var(--font-medium);        /* 500 - Apple recommended for labels */
    font-size: var(--text-subheadline-px); /* 20px (15pt) - Apple subheadline */
    color: var(--apple-label);
    margin-bottom: var(--spacing-sm);
    letter-spacing: -0.020em;              /* Apple's letter-spacing for 15pt */
}

/* Form Help Text - Apple Footnote style */
.form-text {
    font-size: var(--text-footnote-px);    /* 17.33px (13pt) - Apple footnote */
    font-weight: var(--font-regular);      /* 400 */
    color: var(--apple-secondary-label);
    margin-top: var(--spacing-xs);
    letter-spacing: -0.016em;              /* Apple's letter-spacing for 13pt */
}

.form-check-input {
    border-radius: var(--radius-sm) !important;
    border: 2px solid var(--apple-gray-3) !important;
    width: 22px !important;
    height: 22px !important;
    min-height: 22px !important;             /* Ensure consistent size */
    padding: 0 !important;                   /* Remove any inherited padding */
    transition: all var(--transition-fast);
    cursor: pointer;
}

.form-check-input:checked {
    background-color: var(--apple-blue) !important;
    border-color: var(--apple-blue) !important;
    box-shadow: 0 2px 8px rgba(0, 122, 255, 0.3) !important;
}

.form-check-input:focus {
    box-shadow: 0 0 0 4px rgba(0, 122, 255, 0.1) !important;
    border-color: var(--apple-blue) !important;
}

.form-check-label {
    font-size: 15px;
    color: var(--apple-label);
    cursor: pointer;
    user-select: none;
}

/* Form Switch (iOS-style toggle) - Perfect rounded rectangle */
.form-switch .form-check-input {
    width: 51px !important;
    height: 31px !important;
    border-radius: 15.5px !important;        /* Exact half of height for perfect rounded rectangle */
    background-color: var(--apple-gray-4) !important;
    border: none !important;
    cursor: pointer !important;
    min-height: unset !important;            /* Override any inherited min-height */
    padding: 0 !important;                   /* Remove any inherited padding */
}

.form-switch .form-check-input:checked {
    background-color: var(--apple-green) !important;
}

.form-switch .form-check-input:focus {
    box-shadow: 0 0 0 4px rgba(52, 199, 89, 0.1) !important;
}

/* Prevent form inputs from inheriting button pill styling */
.form-check-input:not(.btn) {
    border-radius: var(--radius-sm) !important;  /* Keep checkbox/radio square/round */
}

.form-switch .form-check-input:not(.btn) {
    border-radius: 15.5px !important;        /* Force proper rounded rectangle for switches */
    width: 51px !important;
    height: 31px !important;
}

/* Radio buttons should be circular */
.form-check-input[type="radio"] {
    border-radius: 50% !important;           /* Perfect circle for radio buttons */
}

/* Input Groups */
.input-group {
    box-shadow: var(--shadow-xs);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.input-group-text {
    background: var(--apple-tertiary-background) !important;
    border: 1px solid var(--apple-separator-opaque) !important;
    color: var(--apple-secondary-label);
    font-size: 15px;
    padding: 14px 16px;
}

/* ===== Navigation - macOS Big Sur Style ===== */
.navbar {
    background: rgba(255, 255, 255, 0.72) !important;
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid var(--apple-separator) !important;
    padding: 12px var(--spacing-xl) !important;
    box-shadow: 0 1px 0 0 rgba(0, 0, 0, 0.04), 0 1px 3px 0 rgba(0, 0, 0, 0.06) !important;
    min-height: 64px;
}

.navbar-brand {
    font-weight: 700 !important;
    font-size: 22px !important;
    letter-spacing: -0.026em;
    color: var(--apple-label) !important;
    transition: opacity var(--transition-fast);
}

.navbar-brand:hover {
    opacity: 0.7;
}

.nav-link {
    font-size: 15px !important;
    font-weight: 500 !important;
    color: var(--apple-label) !important;
    padding: 10px 16px !important;
    border-radius: var(--radius-sm) !important;
    transition: all var(--transition-fast) !important;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%) scaleX(0);
    width: 80%;
    height: 2px;
    background: var(--apple-blue);
    border-radius: 2px;
    transition: transform var(--transition-fast);
}

.nav-link:hover {
    background: var(--apple-gray-6) !important;
    color: var(--apple-blue) !important;
}

.nav-link.active {
    color: var(--apple-blue) !important;
    background: rgba(0, 122, 255, 0.08) !important;
}

.nav-link.active::after {
    transform: translateX(-50%) scaleX(1);
}

/* Sidebar - macOS Sidebar Style */
.sidebar {
    background: rgba(255, 255, 255, 0.8) !important;
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-right: 1px solid var(--apple-separator) !important;
    padding: var(--spacing-lg) 0 !important;
}

.sidebar .nav-link {
    padding: 12px var(--spacing-lg) !important;
    margin: 2px var(--spacing-md) !important;
    border-radius: var(--radius-md) !important;
    color: var(--apple-label) !important;
    font-size: 15px;
    font-weight: 500;
}

.sidebar .nav-link:hover {
    background: var(--apple-gray-6) !important;
}

.sidebar .nav-link.active {
    background: var(--apple-blue) !important;
    color: white !important;
    box-shadow: 0 2px 8px rgba(0, 122, 255, 0.3);
}

.sidebar .nav-link i {
    width: 20px;
    margin-right: var(--spacing-sm);
    text-align: center;
}

/* ===== Tables - Apple List Style ===== */
.table {
    background: var(--apple-background) !important;
    border-radius: var(--radius-lg) !important;
    overflow: hidden;
    border: 1px solid var(--apple-separator);
    box-shadow: var(--shadow-xs);
    width: 100%;
    table-layout: auto;
}

.table-responsive {
    border-radius: var(--radius-lg);
    overflow-x: auto !important;
    overflow-y: visible;
    -webkit-overflow-scrolling: touch;
    margin-bottom: var(--spacing-md);
}

/* Hide scrollbar for cleaner look but keep functionality */
.table-responsive::-webkit-scrollbar {
    height: 8px;
}

.table-responsive::-webkit-scrollbar-track {
    background: var(--apple-gray-6);
    border-radius: 4px;
}

.table-responsive::-webkit-scrollbar-thumb {
    background: var(--apple-gray-4);
    border-radius: 4px;
}

.table-responsive::-webkit-scrollbar-thumb:hover {
    background: var(--apple-gray-3);
}

.table thead th {
    background: var(--apple-tertiary-background) !important;
    border-bottom: 1px solid var(--apple-separator) !important;
    font-weight: 600;
    font-size: 12px;
    color: var(--apple-secondary-label);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    padding: 16px 20px !important;
    white-space: nowrap;
    position: sticky;
    top: 0;
    z-index: 10;
}

.table tbody tr {
    border-bottom: 1px solid var(--apple-separator) !important;
    transition: all var(--transition-fast);
}

.table tbody tr:hover {
    background: rgba(0, 122, 255, 0.04) !important;
}

.table tbody tr:last-child {
    border-bottom: none !important;
}

.table tbody td {
    padding: 16px 20px !important;
    vertical-align: middle;
    font-size: 15px;
    color: var(--apple-label);
    white-space: normal;
    word-wrap: break-word;
    max-width: 300px;
}

/* Allow certain columns to not wrap */
.table tbody td.nowrap {
    white-space: nowrap;
}

.table-striped tbody tr:nth-of-type(odd) {
    background: rgba(0, 0, 0, 0.01) !important;
}

.table-hover tbody tr:hover {
    background: rgba(0, 122, 255, 0.05) !important;
}

/* ===== Badges - iOS Style ===== */
.badge {
    font-family: var(--apple-font-family) !important;
    font-weight: 600;
    font-size: 13px;
    padding: 6px 12px !important;
    border-radius: var(--radius-full) !important;
    letter-spacing: -0.008em;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.badge-lg {
    font-size: 15px !important;
    padding: 8px 16px !important;
    min-width: 45px;
    justify-content: center;
}

.badge-primary,
.bg-primary {
    background: var(--apple-blue) !important;
    color: white !important;
    box-shadow: 0 2px 6px rgba(0, 122, 255, 0.25);
}

/* ===== Teacher Dashboard (Scoped Styles) ===== */
/* Compact analytics strip */
.teacher-stats-container {
    margin-top: 0.5rem;
    gap: 0.35rem;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(90px, 1fr));
}
.teacher-stat-card {
    background: var(--apple-background);
    border: 1px solid var(--apple-separator);
    border-radius: 8px;
    padding: 0.35rem 0.5rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}
.teacher-stat-card .stat-number {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--apple-label);
    line-height: 1;
}
.teacher-stat-card .stat-text {
    font-size: 0.62rem;
    color: var(--apple-secondary-label);
    margin-top: 0;
}

/* Question cards actions - smaller, pill buttons */
.question-card-actions .btn.btn {
    padding: 4px 10px !important;
    line-height: 1.15 !important;
    border-radius: 999px !important;
}
.question-card-actions .btn small { font-size: 0.8rem; }
.question-card-actions .btn i { font-size: 13px !important; }
.question-card-actions .btn-primary {
    background-color: var(--apple-blue) !important;
    border-color: var(--apple-blue) !important;
}
.question-card-actions .btn-primary:hover {
    background-color: var(--apple-blue-dark) !important;
    border-color: var(--apple-blue-dark) !important;
}
.question-card-actions .btn-success {
    background-color: var(--apple-green) !important;
    border-color: var(--apple-green) !important;
}
.question-card-actions .btn-outline-primary {
    color: var(--apple-blue) !important;
    border-color: var(--apple-blue) !important;
}
.question-card-actions .btn-outline-primary:hover {
    background-color: #eaf2ff !important;
}

/* Cancel icon button */
.icon-btn {
    width: 40px;
    height: 40px;
    border-radius: 50% !important;
    padding: 0 !important;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}
.icon-btn i { font-size: 16px; color: #fff; line-height: 1; }
.icon-btn-danger {
    background-color: var(--apple-red) !important;
    border-color: var(--apple-red) !important;
    box-shadow: 0 2px 8px rgba(255, 59, 48, 0.3) !important;
}
.icon-btn-danger:hover {
    background-color: var(--apple-red-dark) !important;
    border-color: var(--apple-red-dark) !important;
}

/* Test/Soru chips */
.question-chips { display: flex; gap: 8px; flex-wrap: wrap; }
.question-chips .chip {
    background: #f5f7fb;
    border: 1px solid #e1e5ee;
    color: var(--apple-label);
    font-weight: 600;
    font-size: 0.9rem;
    padding: 4px 10px;
    border-radius: 10px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.question-chips .chip i { font-size: 12px; color: var(--apple-secondary-label); }

/* Main info block on question cards */
.question-main-info { background: #f7f8fb; padding: 12px; border-radius: 10px; border: 1px solid #e6e8ef; }
.qmi-row { gap: 10px; }
.qmi-title { color: var(--apple-label); font-size: 1rem; font-weight: 700; }
.qmi-subtitle { color: var(--apple-secondary-label); font-size: 0.9rem; }
.qmi-icon {
    width: 28px;
    height: 28px;
    background: #e9f2ff;
    color: var(--apple-blue);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

.badge-success,
.bg-success {
    background: var(--apple-green) !important;
    color: white !important;
    box-shadow: 0 2px 6px rgba(52, 199, 89, 0.25);
}

/* Teacher Dashboard scoped tweaks */
.teacher-dashboard .question-card {
    background: #ffffff;
    border: 1px solid rgba(0, 0, 0, 0.06);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
    border-left: 3px solid var(--apple-blue);
    border-radius: 12px;
}
.teacher-dashboard .question-card:hover {
    box-shadow: 0 8px 22px rgba(0, 0, 0, 0.08);
}
.teacher-dashboard .question-card-header {
    padding: 10px 16px;
    background: var(--apple-secondary-background);
    border-bottom: 1px solid var(--apple-separator);
}
.teacher-dashboard .question-card-header.has-action {
    padding-right: 60px; /* reserve space for top-right cancel icon */
}
.teacher-dashboard .question-card-header h5 {
    font-size: 1.1rem;
    color: #1d1d1f;
    font-weight: 700;
}
.teacher-dashboard .question-card-header .date {
    font-size: 0.9rem;
    font-weight: 500;
}
.teacher-dashboard .question-card-body {
    padding: 10px 16px;
}
.teacher-dashboard .question-card-actions {
    margin-top: auto;
    padding: 10px 16px;
    background: transparent;
    border-top: 1px solid var(--apple-gray-6);
}
.teacher-dashboard .question-card-actions .btn.btn {
    min-height: 36px;
    padding: 6px 12px !important;
    line-height: 1.2 !important;
    border-radius: 999px !important;
}
.teacher-dashboard .question-card-actions .primary-action {
    min-height: 40px;
    padding: 8px 14px !important;
}
.teacher-dashboard .qmi-icon i {
    font-size: 14px;
}

/* Emphasize question details in header; make student info secondary */
.teacher-dashboard .question-card-header .q-title {
    font-weight: 800;
    font-size: 1.05rem;
    color: var(--apple-label);
}
.teacher-dashboard .question-card-header .q-subtitle {
    margin-top: 2px;
    color: var(--apple-secondary-label);
}
.teacher-dashboard .question-card-header .q-meta .date { font-size: 0.92rem; }
.teacher-dashboard .question-card-header .q-meta .time { font-size: 0.82rem; }
    .teacher-dashboard .student-brief .student-name { font-weight: 500; color: var(--apple-secondary-label); font-size: var(--text-caption-2-px); }
    .teacher-dashboard .student-brief .student-class { color: var(--apple-tertiary-label); font-size: var(--text-caption-2-px); }
    .teacher-dashboard .student-brief i { display: none; }
    .teacher-dashboard .student-brief { gap: 4px; }

/* Footer meta: date/time at the bottom */
.teacher-dashboard .question-meta-footer {
    display: flex;
    align-items: center;
    padding: 10px 16px;              /* more horizontal padding so text doesn’t touch the edge */
    margin: 8px 12px 12px;           /* inset left/right and add a bit of top/bottom separation */
    border-top: 1px solid var(--apple-gray-6);
    background: var(--apple-tertiary-background);
    border-radius: 10px;
}
.teacher-dashboard .question-meta-footer small {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--apple-secondary-label) !important;
    font-size: 0.85rem;
}

/* Removed in favor of button-only image access (no inline thumbnails) */

/* Refined info block and chips for teacher dashboard */
.teacher-dashboard .question-main-info {
    background: #fafbfe;
    border: 1px solid #e9edf7;
    border-radius: 12px;
    padding: 10px 12px;
}
.teacher-dashboard .qmi-title { letter-spacing: -0.01em; }
.teacher-dashboard .qmi-subtitle { margin-top: 2px; }
.teacher-dashboard .question-chips .chip {
    border-radius: 999px;
    padding: 4px 10px;
    background: #f5f8ff;
    border-color: #e3eaf7;
}
.teacher-dashboard .question-chips .chip i { color: var(--apple-secondary-label); }

.badge-danger,
.bg-danger {
    background: var(--apple-red) !important;
    color: white !important;
    box-shadow: 0 2px 6px rgba(255, 59, 48, 0.25);
}

.badge-warning,
.bg-warning {
    background: var(--apple-orange) !important;
    color: white !important;
    box-shadow: 0 2px 6px rgba(255, 149, 0, 0.25);
}

.badge-info,
.bg-info {
    background: var(--apple-teal) !important;
    color: white !important;
    box-shadow: 0 2px 6px rgba(90, 200, 250, 0.25);
}

.bg-info.text-dark {
    background: rgba(90, 200, 250, 0.15) !important;
    color: #0071A4 !important;
    font-weight: 600;
    box-shadow: none;
}

.badge-light {
    background: var(--apple-gray-5) !important;
    color: var(--apple-label) !important;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

/* ===== Alerts - macOS Style Notifications ===== */
.alert {
    border: 1px solid var(--apple-separator) !important;
    border-radius: var(--radius-lg) !important;
    padding: var(--spacing-lg) var(--spacing-xl) !important;
    font-size: 15px;
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    box-shadow: var(--shadow-sm);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
}

.alert-success {
    background: rgba(52, 199, 89, 0.12) !important;
    border-color: rgba(52, 199, 89, 0.3) !important;
    color: var(--apple-green-dark) !important;
}

.alert-danger {
    background: rgba(255, 59, 48, 0.12) !important;
    border-color: rgba(255, 59, 48, 0.3) !important;
    color: var(--apple-red-dark) !important;
}

.alert-warning {
    background: rgba(255, 149, 0, 0.12) !important;
    border-color: rgba(255, 149, 0, 0.3) !important;
    color: #C77800 !important;
}

.alert-info {
    background: rgba(90, 200, 250, 0.12) !important;
    border-color: rgba(90, 200, 250, 0.3) !important;
    color: #0071A4 !important;
}

.alert-dismissible .btn-close {
    padding: var(--spacing-md);
}

/* ===== Modals - iOS Style Sheets ===== */
.modal-content {
    border: none !important;
    border-radius: var(--radius-2xl) !important;
    box-shadow: var(--shadow-2xl) !important;
    overflow: hidden;
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
}

.modal-backdrop {
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.modal-header {
    background: var(--apple-background) !important;
    border-bottom: 1px solid var(--apple-separator) !important;
    padding: var(--spacing-xl) !important;
}

.modal-title {
    font-weight: 700;
    font-size: 24px;
    letter-spacing: -0.026em;
}

.modal-body {
    padding: var(--spacing-xl) !important;
    background: var(--apple-background) !important;
}

.modal-footer {
    background: var(--apple-tertiary-background) !important;
    border-top: 1px solid var(--apple-separator) !important;
    padding: var(--spacing-lg) var(--spacing-xl) !important;
    display: flex;
    gap: var(--spacing-sm);
}

/* ===== Dropdowns ===== */
.dropdown-menu {
    border: none !important;
    border-radius: var(--radius-lg) !important;
    box-shadow: var(--shadow-lg) !important;
    padding: var(--spacing-sm) !important;
    background: var(--apple-background) !important;
}

.dropdown-item {
    border-radius: var(--radius-sm) !important;
    padding: 10px 14px !important;
    font-size: 15px;
    color: var(--apple-label) !important;
    transition: all var(--transition-fast) !important;
}

.dropdown-item:hover {
    background: var(--apple-gray-6) !important;
    color: var(--apple-blue) !important;
}

/* ===== Progress Bars ===== */
.progress {
    height: 8px !important;
    border-radius: var(--radius-sm) !important;
    background: var(--apple-gray-5) !important;
    overflow: hidden;
    position: relative;
}

.progress-bar {
    background: var(--apple-blue) !important;
    border-radius: var(--radius-sm) !important;
    transition: width var(--transition-base);
    font-weight: 600;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

/* Progress bar color variants */
.progress-bar.bg-success {
    background: var(--apple-green) !important;
}

.progress-bar.bg-primary {
    background: var(--apple-blue) !important;
}

.progress-bar.bg-warning {
    background: var(--apple-orange) !important;
}

.progress-bar.bg-danger {
    background: var(--apple-red) !important;
}

/* ===== Breadcrumbs ===== */
.breadcrumb {
    background: transparent !important;
    padding: var(--spacing-md) 0 !important;
    font-size: 13px;
}

.breadcrumb-item {
    color: var(--apple-secondary-label) !important;
}

.breadcrumb-item.active {
    color: var(--apple-label) !important;
    font-weight: 500;
}

.breadcrumb-item a {
    color: var(--apple-blue) !important;
    text-decoration: none;
    transition: opacity var(--transition-fast);
}

.breadcrumb-item a:hover {
    opacity: 0.7;
}

/* ===== Pagination ===== */
.pagination {
    gap: var(--spacing-xs);
}

.page-link {
    border: none !important;
    background: var(--apple-background) !important;
    color: var(--apple-label) !important;
    border-radius: var(--radius-sm) !important;
    padding: 8px 14px !important;
    font-weight: 500;
    transition: all var(--transition-fast) !important;
}

.page-link:hover {
    background: var(--apple-gray-6) !important;
    color: var(--apple-blue) !important;
}

.page-item.active .page-link {
    background: var(--apple-blue) !important;
    color: white !important;
}

/* ===== Spinners ===== */
.spinner-border {
    border-color: var(--apple-gray-4);
    border-right-color: var(--apple-blue);
}

/* ===== Utilities ===== */
.text-muted {
    color: var(--apple-secondary-label) !important;
}

.text-primary {
    color: var(--apple-blue) !important;
}

.text-success {
    color: var(--apple-green) !important;
}

.text-danger {
    color: var(--apple-red) !important;
}

.text-warning {
    color: var(--apple-orange) !important;
}

.bg-light {
    background: var(--apple-secondary-background) !important;
}

.bg-white {
    background: var(--apple-background) !important;
}

/* ===== Custom Components ===== */

/* Frosted Glass Effect */
.frosted-glass {
    background: rgba(255, 255, 255, 0.7) !important;
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
}

/* Subtle Dividers */
hr {
    border-color: var(--apple-separator) !important;
    opacity: 1 !important;
}

/* List Groups */
.list-group-item {
    background: var(--apple-background) !important;
    border: none !important;
    border-bottom: 1px solid var(--apple-separator) !important;
    padding: var(--spacing-md) var(--spacing-lg) !important;
    transition: background var(--transition-fast);
}

.list-group-item:hover {
    background: var(--apple-gray-6) !important;
}

.list-group-item:first-child {
    border-top-left-radius: var(--radius-lg) !important;
    border-top-right-radius: var(--radius-lg) !important;
}

.list-group-item:last-child {
    border-bottom-left-radius: var(--radius-lg) !important;
    border-bottom-right-radius: var(--radius-lg) !important;
    border-bottom: none !important;
}

/* Tooltips */
.tooltip-inner {
    background: rgba(0, 0, 0, 0.8) !important;
    border-radius: var(--radius-sm) !important;
    padding: 6px 12px !important;
    font-size: 13px;
    font-weight: 500;
}

/* Close Button */
.btn-close {
    opacity: 0.4 !important;
    transition: opacity var(--transition-fast) !important;
}

.btn-close:hover {
    opacity: 1 !important;
}

/* Video Cards */
.video-card {
    transition: all var(--transition-base) !important;
}

.video-card:hover {
    box-shadow: var(--shadow-md) !important;
}

.video-thumbnail {
    border-radius: var(--radius-md);
    object-fit: cover;
}

/* Container Adjustments */
.container,
.container-fluid {
    padding-left: var(--spacing-lg);
    padding-right: var(--spacing-lg);
}

/* Page Header */
.page-header {
    padding: var(--spacing-xl) 0;
    border-bottom: 1px solid var(--apple-separator);
    margin-bottom: var(--spacing-lg);
}

.page-header h1 {
    font-size: 34px;
    font-weight: 700;
    letter-spacing: -0.026em;
}

/* Stats Cards */
.stat-card {
    background: var(--apple-background) !important;
    border-radius: var(--radius-lg) !important;
    padding: var(--spacing-lg) !important;
    box-shadow: var(--shadow-sm) !important;
    transition: all var(--transition-base);
}

.stat-card:hover {
    box-shadow: var(--shadow-md) !important;
}

.stat-card .stat-value {
    font-size: 32px;
    font-weight: 700;
    color: var(--apple-blue);
    line-height: 1.2;
}

.stat-card .stat-label {
    font-size: 13px;
    color: var(--apple-secondary-label);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    font-weight: 600;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .card-body {
        padding: var(--spacing-lg) !important;
    }
    
    h1 { font-size: 34px; }
    h2 { font-size: 28px; }
    h3 { font-size: 24px; }
    
    .btn {
        padding: 10px 20px !important;
        font-size: 15px;
    }
    
    .navbar {
        padding: 10px var(--spacing-md) !important;
    }
    
    /* Make tables more mobile-friendly */
    .table thead th {
        padding: 12px 10px !important;
        font-size: 11px;
    }
    
    .table tbody td {
        padding: 12px 10px !important;
        font-size: 14px;
        max-width: 200px;
    }
}

/* Large screens - prevent excessive width */
@media (min-width: 1400px) {
    .table tbody td {
        max-width: 400px;
    }
}

/* ===== Apple-Specific Enhancements ===== */

/* Glassmorphism Cards */
.glass-card {
    background: rgba(255, 255, 255, 0.7) !important;
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid rgba(255, 255, 255, 0.18);
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.08);
}
/* Neumorphism effect for special elements */
.neuro-card {
    background: var(--apple-secondary-background);
    box-shadow: 
        8px 8px 16px rgba(163, 177, 198, 0.6),
        -8px -8px 16px rgba(255, 255, 255, 0.5);
    border-radius: var(--radius-lg);
    border: none;
}

/* Apple-style segmented control */
.segmented-control {
    display: inline-flex;
    background: var(--apple-tertiary-background);
    border-radius: var(--radius-md);
    padding: 2px;
    gap: 2px;
}

.segmented-control .btn {
    border-radius: var(--radius-sm);
    background: transparent;
    border: none;
    color: var(--apple-label);
    font-weight: 500;
    font-size: 15px;
    padding: 8px 16px;
}

.segmented-control .btn.active {
    background: var(--apple-background);
    color: var(--apple-blue);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.08);
}

/* Apple-style loading spinner */
.apple-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--apple-gray-5);
    border-top-color: var(--apple-blue);
    border-radius: 50%;
    animation: apple-spin 0.8s cubic-bezier(0.4, 0, 0.2, 1) infinite;
}

@keyframes apple-spin {
    to { transform: rotate(360deg); }
}

/* Apple-style skeleton loader */
.skeleton {
    background: linear-gradient(
        90deg,
        var(--apple-gray-6) 25%,
        var(--apple-gray-5) 50%,
        var(--apple-gray-6) 75%
    );
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s ease-in-out infinite;
    border-radius: var(--radius-sm);
}

@keyframes skeleton-loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* Apple-style tags */
.apple-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    background: var(--apple-gray-6);
    color: var(--apple-label);
    border-radius: var(--radius-full);
    font-size: 14px;
    font-weight: 500;
    transition: all var(--transition-fast);
}

.apple-tag:hover {
    background: var(--apple-gray-5);
}

.apple-tag .close-btn {
    cursor: pointer;
    opacity: 0.6;
    transition: opacity var(--transition-fast);
}

.apple-tag .close-btn:hover {
    opacity: 1;
}

/* Apple-style divider with text */
.divider-with-text {
    display: flex;
    align-items: center;
    text-align: center;
    margin: var(--spacing-xl) 0;
}

.divider-with-text::before,
.divider-with-text::after {
    content: '';
    flex: 1;
    border-bottom: 1px solid var(--apple-separator);
}

.divider-with-text span {
    padding: 0 var(--spacing-md);
    color: var(--apple-secondary-label);
    font-size: 13px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

/* Apple-style empty state */
.empty-state {
    text-align: center;
    padding: var(--spacing-4xl) var(--spacing-xl);
}

.empty-state-icon {
    font-size: 64px;
    color: var(--apple-gray-3);
    margin-bottom: var(--spacing-lg);
}

.empty-state-title {
    font-size: 24px;
    font-weight: 600;
    color: var(--apple-label);
    margin-bottom: var(--spacing-sm);
}

.empty-state-description {
    font-size: 15px;
    color: var(--apple-secondary-label);
    margin-bottom: var(--spacing-xl);
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
}

/* Apple-style notification dot */
.notification-dot {
    position: absolute;
    top: -4px;
    right: -4px;
    width: 10px;
    height: 10px;
    background: var(--apple-red);
    border-radius: 50%;
    border: 2px solid var(--apple-background);
    box-shadow: 0 2px 4px rgba(255, 59, 48, 0.4);
}

/* Apple-style context menu */
.context-menu {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-radius: var(--radius-lg);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
    border: 1px solid var(--apple-separator);
    padding: var(--spacing-sm);
    min-width: 200px;
}

.context-menu-item {
    padding: 10px 14px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 15px;
    color: var(--apple-label);
}

.context-menu-item:hover {
    background: var(--apple-blue);
    color: white;
}

.context-menu-item.danger:hover {
    background: var(--apple-red);
    color: white;
}

.context-menu-divider {
    height: 1px;
    background: var(--apple-separator);
    margin: var(--spacing-xs) 0;
}

/* Dark Mode Support (Optional - for future implementation) */
@media (prefers-color-scheme: dark) {
    /* Dark mode styles would go here */
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

/* Selection Color */
::selection {
    background: var(--apple-blue);
    color: white;
}

::-moz-selection {
    background: var(--apple-blue);
    color: white;
}

/* Focus Visible */
*:focus-visible {
    outline: 2px solid var(--apple-blue) !important;
    outline-offset: 2px;
}

/* Removed older large teacher-stats styles; compact version is defined earlier */

/* Advanced Upload Form */
.teacher-upload-section {
    background: var(--apple-background) !important;
    border: 1px solid var(--apple-separator) !important;
    border-radius: var(--radius-lg) !important;
    margin-bottom: var(--spacing-xl);
    overflow: hidden;
    box-shadow: var(--shadow-sm) !important;
}

.teacher-upload-header {
    background: var(--apple-tertiary-background) !important;
    padding: var(--spacing-lg) var(--spacing-xl) !important;
    border-bottom: 1px solid var(--apple-separator) !important;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: all var(--transition-fast) !important;
}

.teacher-upload-header:hover {
    background: var(--apple-gray-6) !important;
}

.teacher-upload-header h5 {
    margin: 0 !important;
    font-size: 18px !important;
    font-weight: 600 !important;
    color: var(--apple-label) !important;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.teacher-upload-collapse-icon {
    color: var(--apple-secondary-label) !important;
    transition: transform var(--transition-fast) !important;
    font-size: 14px !important;
}

.teacher-upload-collapse-icon.rotated {
    transform: rotate(180deg) !important;
}

/* Better collapse icon behavior */
.teacher-upload-header[aria-expanded="true"] .teacher-upload-collapse-icon {
    transform: rotate(180deg) !important;
}

.teacher-upload-body {
    padding: var(--spacing-xl) !important;
    display: none;
}

.teacher-upload-body.show {
    display: block;
}

.teacher-upload-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.teacher-form-group {
    margin-bottom: var(--spacing-md) !important;
}

.teacher-form-label {
    display: block;
    font-weight: 600 !important;
    font-size: 14px !important;
    color: var(--apple-label) !important;
    margin-bottom: var(--spacing-sm) !important;
    letter-spacing: -0.016em;
}

.teacher-form-select,
.teacher-form-input {
    width: 100% !important;
    font-family: var(--apple-font-family) !important;
    font-size: 16px !important;
    border: 1px solid var(--apple-separator-opaque) !important;
    border-radius: var(--radius-md) !important;
    padding: 12px 16px !important;
    background: var(--apple-background) !important;
    color: var(--apple-label) !important;
    transition: all var(--transition-fast) !important;
    box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.04) !important;
}

.teacher-form-select:focus,
.teacher-form-input:focus {
    border-color: var(--apple-blue) !important;
    box-shadow: 0 0 0 4px rgba(0, 122, 255, 0.1) !important;
    outline: none !important;
}

.teacher-file-input-wrapper {
    position: relative;
    display: block;
    width: 100%;
}

.teacher-file-input {
    position: absolute;
    opacity: 0;
    width: 100%;
    height: 100%;
    cursor: pointer;
}

.teacher-file-input-label {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    width: 100%;
    padding: var(--spacing-lg) var(--spacing-xl);
    border: 2px dashed var(--apple-separator-opaque);
    border-radius: var(--radius-md);
    background: var(--apple-secondary-background);
    color: var(--apple-secondary-label);
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    min-height: 80px;
}

.teacher-file-input-label:hover {
    border-color: var(--apple-blue);
    background: rgba(0, 122, 255, 0.05);
    color: var(--apple-blue);
}

.teacher-file-input-label.has-file {
    border-color: var(--apple-green);
    background: rgba(52, 199, 89, 0.1);
    color: var(--apple-green-dark);
    border-style: solid;
}

.teacher-upload-submit {
    background: var(--apple-blue) !important;
    color: white !important;
    border: none !important;
    border-radius: var(--radius-md) !important;
    padding: 14px 28px !important;
    font-size: 16px !important;
    font-weight: 600 !important;
    cursor: pointer;
    transition: all var(--transition-fast) !important;
    box-shadow: 0 2px 8px rgba(0, 122, 255, 0.3) !important;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-lg);
}

.teacher-upload-submit:hover {
    background: var(--apple-blue-dark) !important;
    box-shadow: 0 4px 12px rgba(0, 122, 255, 0.35) !important;
    transform: translateY(-1px);
}

.teacher-upload-submit:disabled {
    background: var(--apple-gray-4) !important;
    color: var(--apple-tertiary-label) !important;
    box-shadow: none !important;
    transform: none !important;
    cursor: not-allowed !important;
}

/* Square Action Buttons Grid - 2x2 Layout */
.teacher-actions-grid {
    display: grid !important;
    grid-template-columns: repeat(2, 1fr) !important;
    grid-template-rows: repeat(2, 1fr) !important;
    gap: 10px !important;
    width: 140px !important;
    height: 140px !important;
    margin-top: var(--spacing-sm);
}

.teacher-action-btn {
    width: 75px !important;                   /* Slightly more compact width */
    height: 50px !important;                  /* Thinner height for sleeker look */
    border-radius: 9999px !important;        /* Perfect pill - circular left/right edges */
    border: none !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    cursor: pointer !important;
    transition: all 0.25s ease !important;   /* Smoother transition */
    box-shadow: 0 3px 8px rgba(0,0,0,0.12) !important;   /* Lighter shadow for thinner design */
    text-decoration: none !important;
    font-size: 20px !important;              /* Slightly smaller icon for thinner button */
    color: white !important;
}

.teacher-action-btn:hover {
    transform: translateY(-3px) scale(1.05) !important;  /* More dramatic hover */
    box-shadow: 0 8px 20px rgba(0,0,0,0.25) !important;
}

.teacher-action-btn:active {
    transform: translateY(-1px) scale(1.02) !important;  /* Subtle press effect */
    box-shadow: 0 4px 8px rgba(0,0,0,0.2) !important;
}

.teacher-action-btn i {
    font-size: 24px !important;
    color: white !important;
}

/* Color variants with gradients matching backup design */
.teacher-action-btn.btn-view {
    background: linear-gradient(135deg, #06b6d4 0%, #0891b2 100%) !important;
}

.teacher-action-btn.btn-view:hover {
    background: linear-gradient(135deg, #0891b2 0%, #0e7490 100%) !important;
}

.teacher-action-btn.btn-view-disabled {
    background: #9ca3af !important;
    cursor: not-allowed !important;
    opacity: 0.5 !important;
}

.teacher-action-btn.btn-success {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%) !important;
}

.teacher-action-btn.btn-success:hover {
    background: linear-gradient(135deg, #059669 0%, #047857 100%) !important;
}

.teacher-action-btn.btn-danger {
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%) !important;
}

.teacher-action-btn.btn-danger:hover {
    background: linear-gradient(135deg, #dc2626 0%, #b91c1c 100%) !important;
}

.teacher-action-btn.btn-primary {
    background: linear-gradient(135deg, #6366f1 0%, #4f46e5 100%) !important;
}

.teacher-action-btn.btn-primary:hover {
    background: linear-gradient(135deg, #4f46e5 0%, #4338ca 100%) !important;
}

/* Enhanced Table Styling for Teacher Dashboard */
.teacher-table-container {
    background: var(--apple-background) !important;
    border-radius: var(--radius-lg) !important;
    border: 1px solid var(--apple-separator) !important;
    box-shadow: var(--shadow-sm) !important;
    overflow: hidden;
    margin-top: var(--spacing-xl);
}

.teacher-table-header {
    background: var(--apple-tertiary-background) !important;
    padding: var(--spacing-lg) var(--spacing-xl) !important;
    border-bottom: 1px solid var(--apple-separator) !important;
}

.teacher-table-header h5 {
    margin: 0 !important;
    font-size: 18px !important;
    font-weight: 600 !important;
    color: var(--apple-label) !important;
}

.teacher-table {
    margin: 0 !important;
}

/* Responsive adjustments for iPad */
@media (max-width: 1024px) {
    .teacher-stats-container {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .teacher-upload-row {
        grid-template-columns: 1fr;
    }
    
    .teacher-actions-grid {
        grid-template-columns: repeat(4, 65px);
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .teacher-stats-container {
        grid-template-columns: 1fr;
    }
    
    .teacher-stat-card {
        min-height: 100px;
        padding: var(--spacing-lg) !important;
    }
    
    .teacher-stat-card .stat-number {
        font-size: 28px !important;
    }
    
    .teacher-actions-grid {
        grid-template-columns: repeat(3, 65px);
    }
    
    .teacher-upload-body {
        padding: var(--spacing-lg) !important;
    }
}

/* ===== Teacher Dashboard Enhancements ===== */

/* Question row status handling */
.question-row[data-status="solved"] {
    background-color: var(--apple-gray-7);
    opacity: 0.6;
}

.question-row[data-status="solved"] td {
    color: var(--apple-secondary-label);
}

.question-row[data-status="cancelled"] {
    background-color: #fef2f2;
    opacity: 0.8;
}

/* Enhanced action buttons */
.btn-group .btn {
    font-size: 0.8rem;
    padding: 0.35rem 0.65rem;
    border-radius: var(--radius-sm);
}

.btn-group .btn:first-child {
    border-top-right-radius: 0;
    border-bottom-right-radius: 0;
}

.btn-group .btn:not(:first-child):not(:last-child) {
    border-radius: 0;
}

.btn-group .btn:last-child {
    border-top-left-radius: 0;
    border-bottom-left-radius: 0;
}

/* Table header toggle switch styling */
.form-check-label {
    font-weight: 500;
    font-size: 0.9rem;
    color: var(--apple-label);
    cursor: pointer;
}

.form-check-input:checked {
    background-color: var(--apple-blue);
    border-color: var(--apple-blue);
}

/* DataTables search styling */
.dataTables_filter {
    margin-bottom: 1rem;
}

.dataTables_filter input {
    border-radius: var(--radius-lg) !important;
    border: 2px solid var(--apple-gray-4);
    transition: var(--transition-fast);
    font-size: 0.9rem;
}

.dataTables_filter input:focus {
    border-color: var(--apple-blue);
    box-shadow: 0 0 0 3px rgba(0, 122, 255, 0.1);
    outline: none;
}

/* Hide/show solved questions animation */
.question-row {
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.question-row.hiding {
    opacity: 0;
    transform: scale(0.95);
}

/* Enhanced badge styling */
.badge {
    font-weight: 600;
    padding: 0.4rem 0.8rem;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
}

.badge.bg-success {
    background-color: var(--apple-green) !important;
}

.badge.bg-danger {
    background-color: var(--apple-red) !important;
}

/* ===== iPad-Optimized Question Cards ===== */

/* Dynamic Card Scaling System */
:root {
    --card-scale-factor: 1.0;
    --button-scale-factor: 1.0;
    --base-button-height: 60px;
    --base-primary-button-height: 70px;
    --columns-lg: 3; /* Default columns for large screens */
    --columns-md: 2; /* Default columns for medium screens */
}

.question-card {
    background: var(--apple-background);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--apple-separator);
    transition: var(--transition-fast);
    overflow: hidden;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.question-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    border-color: var(--apple-blue);
}

.question-card-header {
    padding: var(--spacing-lg);
    background: var(--apple-secondary-background);
    border-bottom: 1px solid var(--apple-separator);
}

.question-id {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--apple-blue);
    margin-bottom: 0.5rem;
}

.student-info {
    font-size: 1rem;
    color: var(--apple-label);
}

.question-date {
    font-size: 0.9rem;
}

.date {
    font-weight: 600;
    color: var(--apple-label);
}

.time {
    color: var(--apple-secondary-label);
}

.question-card-body {
    padding: var(--spacing-lg);
    flex-grow: 1;
}

.question-details {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.detail-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--apple-gray-6);
}

.detail-row:last-child {
    border-bottom: none;
}

.detail-label {
    font-weight: 600;
    color: var(--apple-secondary-label);
    font-size: 0.9rem;
    min-width: 80px;
}

.detail-value {
    font-weight: 500;
    color: var(--apple-label);
    text-align: right;
    flex-grow: 1;
}

.question-card-actions {
    padding: var(--spacing-lg);
    background: var(--apple-tertiary-background);
    border-top: 1px solid var(--apple-separator);
}

/* iPad-Optimized Touch Buttons */
.touch-button {
    min-height: calc(var(--base-button-height) * var(--button-scale-factor)) !important;
    font-size: clamp(0.85rem, calc(1rem * var(--button-scale-factor)), 1.3rem);
    font-weight: 600;
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
    border-width: 2px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.touch-button:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.touch-button:active {
    transform: translateY(0);
    box-shadow: var(--shadow-sm);
}

.touch-button i {
    font-size: 1.2rem;
    margin-bottom: 0.25rem;
}

.touch-button small {
    font-size: 0.8rem;
    font-weight: 500;
}

/* Primary Action Button - Most Important */
.primary-action {
    min-height: calc(var(--base-primary-button-height) * var(--button-scale-factor)) !important;
    font-size: clamp(1rem, calc(1.1rem * var(--button-scale-factor)), 1.4rem);
    background: linear-gradient(135deg, var(--apple-blue), var(--apple-blue-dark));
    border-color: var(--apple-blue);
    box-shadow: var(--shadow-md);
}

.primary-action:hover {
    background: linear-gradient(135deg, var(--apple-blue-dark), var(--apple-blue-darker));
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.primary-action:active {
    background: var(--apple-blue-darker);
}

/* Success Button */
.btn-success.touch-button {
    background: var(--apple-green);
    border-color: var(--apple-green);
}

.btn-success.touch-button:hover {
    background: var(--apple-green-dark);
    border-color: var(--apple-green-dark);
}

/* Danger Button */
.btn-outline-danger.touch-button {
    color: var(--apple-red);
    border-color: var(--apple-red);
    background: var(--apple-background);
}

.btn-outline-danger.touch-button:hover {
    background: var(--apple-red);
    border-color: var(--apple-red);
    color: white;
}

/* Section Title */
.section-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--apple-label);
    margin: 0;
}

/* Responsive Design for Cards */
@media (max-width: 768px) {
    .question-card {
        margin-bottom: var(--spacing-lg);
    }
    
    .touch-button {
        min-height: 65px !important;
        font-size: 1.1rem;
    }
    
    .primary-action {
        min-height: 75px !important;
        font-size: 1.2rem;
    }
}

/* Extra large touch targets for iPad Pro */
@media (min-width: 1024px) {
    .touch-button {
        min-height: calc(70px * var(--button-scale-factor)) !important;
        font-size: clamp(1rem, calc(1.1rem * var(--button-scale-factor)), 1.4rem);
    }
    
    .primary-action {
        min-height: calc(80px * var(--button-scale-factor)) !important;
        font-size: clamp(1.1rem, calc(1.2rem * var(--button-scale-factor)), 1.5rem);
    }
    
    /* Allow more columns on very large screens when cards are small */
    .col-dynamic-xl-3 { flex: 0 0 auto; width: 25%; }
    .col-dynamic-xl-2-4 { flex: 0 0 auto; width: 20%; } /* 5 columns */
}

/* Improved mobile scaling */
@media (max-width: 767px) {
    .question-card-container {
        margin-bottom: 1rem;
    }
    
    .touch-button {
        min-height: calc(var(--base-button-height) * var(--button-scale-factor) * 0.9) !important;
    }
    
    .primary-action {
        min-height: calc(var(--base-primary-button-height) * var(--button-scale-factor) * 0.9) !important;
    }
}

/* ===== Card Size Control Styling ===== */

.card-size-control {
    background: var(--apple-tertiary-background);
    border-radius: var(--radius-lg);
    padding: 0.75rem 1rem;
    border: 1px solid var(--apple-separator);
    box-shadow: var(--shadow-sm);
}

.card-size-slider {
    accent-color: var(--apple-blue);
    cursor: pointer;
    height: 8px;
    background: transparent;
    outline: none;
    margin: 0;                              /* Remove any margin that causes misalignment */
    padding: 0;                             /* Remove any padding */
    vertical-align: middle;                 /* Ensure proper vertical alignment */
}

.card-size-slider::-webkit-slider-thumb {
    appearance: none;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--apple-blue);
    cursor: grab;
    border: 3px solid white;
    box-shadow: 0 3px 8px rgba(0, 0, 0, 0.25);
    transition: transform 0.15s ease, box-shadow 0.15s ease;
    margin-top: -10px;                      /* Center the thumb on the track */
}

.card-size-slider::-webkit-slider-thumb:hover {
    transform: scale(1.08);
    box-shadow: 0 4px 12px rgba(0, 122, 255, 0.3);
}

.card-size-slider::-webkit-slider-thumb:active {
    cursor: grabbing;
    transform: scale(1.02);
    box-shadow: 0 2px 6px rgba(0, 122, 255, 0.4);
}

.card-size-slider::-webkit-slider-track {
    appearance: none;
    height: 8px;
    border-radius: 4px;
    background: var(--apple-gray-4);
    outline: none;
    border: none;
}

.card-size-slider::-moz-range-thumb {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--apple-blue);
    cursor: pointer;
    border: 3px solid white;
    box-shadow: 0 3px 8px rgba(0, 0, 0, 0.25);
    transition: var(--transition-fast);
    border: none;                           /* Remove default border for Firefox */
    margin-top: 0;                          /* Reset margin */
}

.card-size-slider::-moz-range-thumb:hover {
    transform: scale(1.1);
}

.card-size-slider::-moz-range-track {
    height: 8px;
    border-radius: 4px;
    background: var(--apple-gray-4);
    outline: none;
}

/* Dynamic Column System */
.question-card-container {
    margin-bottom: 1.5rem;
    transition: var(--transition-fast);
}

/* Dynamic column widths based on card scale */
.col-dynamic-lg-6 { flex: 0 0 auto; width: 50%; }
.col-dynamic-lg-4 { flex: 0 0 auto; width: 33.333333%; }
.col-dynamic-lg-3 { flex: 0 0 auto; width: 25%; }

.col-dynamic-md-12 { flex: 0 0 auto; width: 100%; }
.col-dynamic-md-6 { flex: 0 0 auto; width: 50%; }
.col-dynamic-md-4 { flex: 0 0 auto; width: 33.333333%; }

/* Text scaling with clamp for readability */
.question-card .question-id {
    font-size: clamp(1.1rem, calc(1.25rem * var(--card-scale-factor)), 1.6rem);
}

.question-card .student-info {
    font-size: clamp(0.9rem, calc(1rem * var(--card-scale-factor)), 1.2rem);
}

.question-card .detail-label,
.question-card .detail-value {
    font-size: clamp(0.8rem, calc(0.9rem * var(--card-scale-factor)), 1.1rem);
}

.question-card .date {
    font-size: clamp(0.85rem, calc(0.9rem * var(--card-scale-factor)), 1.1rem);
}

.question-card .time {
    font-size: clamp(0.75rem, calc(0.8rem * var(--card-scale-factor)), 1rem);
}

/* Removed enhanced question-main-info hover style to prevent overrides */

/* Enhanced cancel button styling - CIRCULAR */
.question-card .btn-danger {
    width: 48px !important;
    height: 48px !important;
    border-radius: 50% !important;          /* Perfect circle */
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    padding: 0 !important;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    z-index: 2;
    transition: all 0.25s ease;
    border: 2px solid rgba(255, 255, 255, 0.3);
    
    /* Circular button shadow */
    box-shadow: 0 4px 12px rgba(220, 53, 69, 0.3);
}

/* ===== Apple Layout System & Grid ===== */

/* Apple Container System - iPad Optimized */
.container-apple {
    width: 100%;
    max-width: var(--container-xl);
    margin: 0 auto;
    padding: 0 var(--spacing-4);
    
    /* Safe area support */
    padding-left: max(var(--spacing-4), var(--safe-area-left));
    padding-right: max(var(--spacing-4), var(--safe-area-right));
}

.container-apple-sm { max-width: var(--container-sm); }
.container-apple-md { max-width: var(--container-md); }
.container-apple-lg { max-width: var(--container-lg); }
.container-apple-xl { max-width: var(--container-xl); }

/* Apple Grid System - 8pt Foundation */
.row-apple {
    display: flex;
    flex-wrap: wrap;
    margin: 0 calc(var(--grid-gutter) / -2);
}

.col-apple {
    position: relative;
    width: 100%;
    padding: 0 calc(var(--grid-gutter) / 2);
    margin-bottom: var(--spacing-3);
}

/* Grid columns - 12 column system */
.col-apple-1 { flex: 0 0 8.333333%; max-width: 8.333333%; }
.col-apple-2 { flex: 0 0 16.666667%; max-width: 16.666667%; }
.col-apple-3 { flex: 0 0 25%; max-width: 25%; }
.col-apple-4 { flex: 0 0 33.333333%; max-width: 33.333333%; }
.col-apple-5 { flex: 0 0 41.666667%; max-width: 41.666667%; }
.col-apple-6 { flex: 0 0 50%; max-width: 50%; }
.col-apple-7 { flex: 0 0 58.333333%; max-width: 58.333333%; }
.col-apple-8 { flex: 0 0 66.666667%; max-width: 66.666667%; }
.col-apple-9 { flex: 0 0 75%; max-width: 75%; }
.col-apple-10 { flex: 0 0 83.333333%; max-width: 83.333333%; }
.col-apple-11 { flex: 0 0 91.666667%; max-width: 91.666667%; }
.col-apple-12 { flex: 0 0 100%; max-width: 100%; }

/* Apple Flexbox Utilities */
.flex-apple { display: flex !important; }
.flex-apple-column { flex-direction: column !important; }
.flex-apple-row { flex-direction: row !important; }
.flex-apple-wrap { flex-wrap: wrap !important; }
.flex-apple-nowrap { flex-wrap: nowrap !important; }

/* Justify content - Apple alignment */
.justify-apple-start { justify-content: flex-start !important; }
.justify-apple-end { justify-content: flex-end !important; }
.justify-apple-center { justify-content: center !important; }
.justify-apple-between { justify-content: space-between !important; }
.justify-apple-around { justify-content: space-around !important; }
.justify-apple-evenly { justify-content: space-evenly !important; }

/* Align items - Apple alignment */
.align-apple-start { align-items: flex-start !important; }
.align-apple-end { align-items: flex-end !important; }
.align-apple-center { align-items: center !important; }
.align-apple-baseline { align-items: baseline !important; }
.align-apple-stretch { align-items: stretch !important; }

/* Apple Spacing Utilities - 8pt Grid System */
.m-apple-0 { margin: 0 !important; }
.m-apple-1 { margin: var(--spacing-1) !important; }
.m-apple-2 { margin: var(--spacing-2) !important; }
.m-apple-3 { margin: var(--spacing-3) !important; }
.m-apple-4 { margin: var(--spacing-4) !important; }
.m-apple-5 { margin: var(--spacing-5) !important; }
.m-apple-6 { margin: var(--spacing-6) !important; }
.m-apple-8 { margin: var(--spacing-8) !important; }

/* Margin directional */
.mt-apple-0 { margin-top: 0 !important; }
.mt-apple-1 { margin-top: var(--spacing-1) !important; }
.mt-apple-2 { margin-top: var(--spacing-2) !important; }
.mt-apple-3 { margin-top: var(--spacing-3) !important; }
.mt-apple-4 { margin-top: var(--spacing-4) !important; }
.mt-apple-5 { margin-top: var(--spacing-5) !important; }
.mt-apple-6 { margin-top: var(--spacing-6) !important; }
.mt-apple-8 { margin-top: var(--spacing-8) !important; }

.mb-apple-0 { margin-bottom: 0 !important; }
.mb-apple-1 { margin-bottom: var(--spacing-1) !important; }
.mb-apple-2 { margin-bottom: var(--spacing-2) !important; }
.mb-apple-3 { margin-bottom: var(--spacing-3) !important; }
.mb-apple-4 { margin-bottom: var(--spacing-4) !important; }
.mb-apple-5 { margin-bottom: var(--spacing-5) !important; }
.mb-apple-6 { margin-bottom: var(--spacing-6) !important; }
.mb-apple-8 { margin-bottom: var(--spacing-8) !important; }

.ml-apple-0 { margin-left: 0 !important; }
.ml-apple-1 { margin-left: var(--spacing-1) !important; }
.ml-apple-2 { margin-left: var(--spacing-2) !important; }
.ml-apple-3 { margin-left: var(--spacing-3) !important; }
.ml-apple-4 { margin-left: var(--spacing-4) !important; }

.mr-apple-0 { margin-right: 0 !important; }
.mr-apple-1 { margin-right: var(--spacing-1) !important; }
.mr-apple-2 { margin-right: var(--spacing-2) !important; }
.mr-apple-3 { margin-right: var(--spacing-3) !important; }
.mr-apple-4 { margin-right: var(--spacing-4) !important; }

/* Padding utilities */
.p-apple-0 { padding: 0 !important; }
.p-apple-1 { padding: var(--spacing-1) !important; }
.p-apple-2 { padding: var(--spacing-2) !important; }
.p-apple-3 { padding: var(--spacing-3) !important; }
.p-apple-4 { padding: var(--spacing-4) !important; }
.p-apple-5 { padding: var(--spacing-5) !important; }
.p-apple-6 { padding: var(--spacing-6) !important; }

.pt-apple-0 { padding-top: 0 !important; }
.pt-apple-1 { padding-top: var(--spacing-1) !important; }
.pt-apple-2 { padding-top: var(--spacing-2) !important; }
.pt-apple-3 { padding-top: var(--spacing-3) !important; }
.pt-apple-4 { padding-top: var(--spacing-4) !important; }

.pb-apple-0 { padding-bottom: 0 !important; }
.pb-apple-1 { padding-bottom: var(--spacing-1) !important; }
.pb-apple-2 { padding-bottom: var(--spacing-2) !important; }
.pb-apple-3 { padding-bottom: var(--spacing-3) !important; }
.pb-apple-4 { padding-bottom: var(--spacing-4) !important; }

/* Apple Display Utilities */
.d-apple-none { display: none !important; }
.d-apple-block { display: block !important; }
.d-apple-inline { display: inline !important; }
.d-apple-inline-block { display: inline-block !important; }
.d-apple-flex { display: flex !important; }
.d-apple-inline-flex { display: inline-flex !important; }
.d-apple-grid { display: grid !important; }

/* Apple Positioning */
.position-apple-static { position: static !important; }
.position-apple-relative { position: relative !important; }
.position-apple-absolute { position: absolute !important; }
.position-apple-fixed { position: fixed !important; }
.position-apple-sticky { position: sticky !important; }

/* Apple Text Alignment */
.text-apple-left { text-align: left !important; }
.text-apple-right { text-align: right !important; }
.text-apple-center { text-align: center !important; }
.text-apple-justify { text-align: justify !important; }

/* Apple Overflow */
.overflow-apple-hidden { overflow: hidden !important; }
.overflow-apple-auto { overflow: auto !important; }
.overflow-apple-scroll { overflow: scroll !important; }
.overflow-x-apple-hidden { overflow-x: hidden !important; }
.overflow-y-apple-hidden { overflow-y: hidden !important; }

/* ===== Apple Layout Patterns ===== */

/* Apple List Group - iOS Style */
.list-group-apple {
    background-color: var(--apple-bg-secondary);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    margin-bottom: var(--spacing-4);
}

.list-group-apple-item {
    background-color: var(--apple-bg-primary);
    border: none;
    border-bottom: 0.5px solid var(--apple-separator);
    padding: var(--spacing-4);
    min-height: var(--touch-target);
    display: flex;
    align-items: center;
    transition: background-color var(--transition-fast);
}

.list-group-apple-item:last-child {
    border-bottom: none;
}

.list-group-apple-item:hover {
    background-color: var(--apple-bg-secondary);
}

.list-group-apple-item:active {
    background-color: var(--apple-bg-tertiary);
    transform: scale(0.98);
    transition: all var(--transition-fast);
}

/* Apple Stack - Vertical Layout */
.stack-apple {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-3);
}

.stack-apple-sm { gap: var(--spacing-2); }
.stack-apple-lg { gap: var(--spacing-5); }
.stack-apple-xl { gap: var(--spacing-6); }

/* Apple HStack - Horizontal Layout */
.hstack-apple {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: var(--spacing-3);
}

.hstack-apple-sm { gap: var(--spacing-2); }
.hstack-apple-lg { gap: var(--spacing-4); }

/* Apple Navigation List */
.nav-list-apple {
    list-style: none;
    padding: 0;
    margin: 0;
    background-color: var(--apple-bg-secondary);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.nav-list-apple-item {
    border-bottom: 0.5px solid var(--apple-separator);
}

.nav-list-apple-item:last-child {
    border-bottom: none;
}

.nav-list-apple-link {
    display: flex;
    align-items: center;
    padding: var(--spacing-4);
    min-height: var(--touch-target);
    color: var(--apple-label);
    text-decoration: none;
    background-color: var(--apple-bg-primary);
    transition: background-color var(--transition-fast);
}

.nav-list-apple-link:hover {
    background-color: var(--apple-bg-secondary);
    color: var(--apple-label);
}

.nav-list-apple-link:active {
    background-color: var(--apple-bg-tertiary);
    transform: scale(0.98);
}

/* Apple Section Headers */
.section-apple {
    margin-bottom: var(--spacing-6);
}

.section-apple-header {
    font-size: var(--text-headline);
    font-weight: var(--font-weight-semibold);
    color: var(--apple-label);
    margin-bottom: var(--spacing-3);
    padding: 0 var(--spacing-2);
}

.section-apple-footer {
    font-size: var(--text-footnote);
    color: var(--apple-label-secondary);
    margin-top: var(--spacing-2);
    padding: 0 var(--spacing-2);
}

/* ===== Responsive Design - iPad Optimized ===== */

/* Small devices (landscape phones) */
@media (max-width: 575.98px) {
    .container-apple { 
        padding: 0 var(--spacing-3);
        padding-left: max(var(--spacing-3), var(--safe-area-left));
        padding-right: max(var(--spacing-3), var(--safe-area-right));
    }
    
    .col-apple-sm-1 { flex: 0 0 8.333333%; max-width: 8.333333%; }
    .col-apple-sm-2 { flex: 0 0 16.666667%; max-width: 16.666667%; }
    .col-apple-sm-3 { flex: 0 0 25%; max-width: 25%; }
    .col-apple-sm-6 { flex: 0 0 50%; max-width: 50%; }
    .col-apple-sm-12 { flex: 0 0 100%; max-width: 100%; }
}

/* Medium devices (tablets - iPad portrait) */
@media (min-width: 576px) and (max-width: 767.98px) {
    .col-apple-md-1 { flex: 0 0 8.333333%; max-width: 8.333333%; }
    .col-apple-md-2 { flex: 0 0 16.666667%; max-width: 16.666667%; }
    .col-apple-md-3 { flex: 0 0 25%; max-width: 25%; }
    .col-apple-md-4 { flex: 0 0 33.333333%; max-width: 33.333333%; }
    .col-apple-md-6 { flex: 0 0 50%; max-width: 50%; }
    .col-apple-md-8 { flex: 0 0 66.666667%; max-width: 66.666667%; }
    .col-apple-md-12 { flex: 0 0 100%; max-width: 100%; }
}

/* Large devices (tablets - iPad landscape) */
@media (min-width: 768px) and (max-width: 1023.98px) {
    .col-apple-lg-1 { flex: 0 0 8.333333%; max-width: 8.333333%; }
    .col-apple-lg-2 { flex: 0 0 16.666667%; max-width: 16.666667%; }
    .col-apple-lg-3 { flex: 0 0 25%; max-width: 25%; }
    .col-apple-lg-4 { flex: 0 0 33.333333%; max-width: 33.333333%; }
    .col-apple-lg-6 { flex: 0 0 50%; max-width: 50%; }
    .col-apple-lg-8 { flex: 0 0 66.666667%; max-width: 66.666667%; }
    .col-apple-lg-9 { flex: 0 0 75%; max-width: 75%; }
    .col-apple-lg-12 { flex: 0 0 100%; max-width: 100%; }
}

/* Extra large devices (iPad Pro) */
@media (min-width: 1024px) {
    .col-apple-xl-1 { flex: 0 0 8.333333%; max-width: 8.333333%; }
    .col-apple-xl-2 { flex: 0 0 16.666667%; max-width: 16.666667%; }
    .col-apple-xl-3 { flex: 0 0 25%; max-width: 25%; }
    .col-apple-xl-4 { flex: 0 0 33.333333%; max-width: 33.333333%; }
    .col-apple-xl-6 { flex: 0 0 50%; max-width: 50%; }
    .col-apple-xl-8 { flex: 0 0 66.666667%; max-width: 66.666667%; }
    .col-apple-xl-9 { flex: 0 0 75%; max-width: 75%; }
    .col-apple-xl-10 { flex: 0 0 83.333333%; max-width: 83.333333%; }
    .col-apple-xl-12 { flex: 0 0 100%; max-width: 100%; }
}

/* ===== Apple Shape & Geometry System ===== */

/* Apple Border Radius Utilities */
.radius-apple-none { border-radius: 0 !important; }
.radius-apple-xs { border-radius: var(--radius-xs) !important; }
.radius-apple-sm { border-radius: var(--radius-sm) !important; }
.radius-apple-md { border-radius: var(--radius-md) !important; }
.radius-apple-lg { border-radius: var(--radius-lg) !important; }
.radius-apple-xl { border-radius: var(--radius-xl) !important; }
.radius-apple-2xl { border-radius: var(--radius-2xl) !important; }
.radius-apple-full { border-radius: 50% !important; }

/* Apple Corner Radius - Specific corners */
.radius-apple-top { 
    border-top-left-radius: var(--radius-md) !important;
    border-top-right-radius: var(--radius-md) !important;
}

.radius-apple-bottom { 
    border-bottom-left-radius: var(--radius-md) !important;
    border-bottom-right-radius: var(--radius-md) !important;
}

.radius-apple-left { 
    border-top-left-radius: var(--radius-md) !important;
    border-bottom-left-radius: var(--radius-md) !important;
}

.radius-apple-right { 
    border-top-right-radius: var(--radius-md) !important;
    border-bottom-right-radius: var(--radius-md) !important;
}

/* Apple Shape Presets */
.shape-apple-circle {
    border-radius: 50%;
    aspect-ratio: 1;
}

.shape-apple-pill {
    border-radius: 9999px;
}

.shape-apple-squircle {
    border-radius: var(--radius-lg);
    /* iOS-style continuous corner curve approximation */
    clip-path: inset(0 round var(--radius-lg));
}

/* Apple Width & Height Utilities */
.w-apple-auto { width: auto !important; }
.w-apple-full { width: 100% !important; }
.w-apple-screen { width: 100vw !important; }
.w-apple-min { width: min-content !important; }
.w-apple-max { width: max-content !important; }
.w-apple-fit { width: fit-content !important; }

/* Fixed widths based on 8pt grid */
.w-apple-1 { width: var(--spacing-1) !important; }
.w-apple-2 { width: var(--spacing-2) !important; }
.w-apple-3 { width: var(--spacing-3) !important; }
.w-apple-4 { width: var(--spacing-4) !important; }
.w-apple-5 { width: var(--spacing-5) !important; }
.w-apple-6 { width: var(--spacing-6) !important; }
.w-apple-8 { width: var(--spacing-8) !important; }
.w-apple-10 { width: var(--spacing-10) !important; }
.w-apple-12 { width: var(--spacing-12) !important; }
.w-apple-16 { width: var(--spacing-16) !important; }

/* Apple touch target widths */
.w-apple-touch { width: var(--touch-target) !important; }
.w-apple-touch-lg { width: calc(var(--touch-target) * 1.25) !important; }

.h-apple-auto { height: auto !important; }
.h-apple-full { height: 100% !important; }
.h-apple-screen { height: 100vh !important; }
.h-apple-min { height: min-content !important; }
.h-apple-max { height: max-content !important; }
.h-apple-fit { height: fit-content !important; }

/* Fixed heights based on 8pt grid */
.h-apple-1 { height: var(--spacing-1) !important; }
.h-apple-2 { height: var(--spacing-2) !important; }
.h-apple-3 { height: var(--spacing-3) !important; }
.h-apple-4 { height: var(--spacing-4) !important; }
.h-apple-5 { height: var(--spacing-5) !important; }
.h-apple-6 { height: var(--spacing-6) !important; }
.h-apple-8 { height: var(--spacing-8) !important; }
.h-apple-10 { height: var(--spacing-10) !important; }
.h-apple-12 { height: var(--spacing-12) !important; }
.h-apple-16 { height: var(--spacing-16) !important; }

/* Apple touch target heights */
.h-apple-touch { height: var(--touch-target) !important; }
.h-apple-touch-lg { height: calc(var(--touch-target) * 1.25) !important; }

/* Apple Min/Max Width & Height */
.min-w-apple-0 { min-width: 0 !important; }
.min-w-apple-full { min-width: 100% !important; }
.min-w-apple-touch { min-width: var(--touch-target) !important; }

.max-w-apple-none { max-width: none !important; }
.max-w-apple-full { max-width: 100% !important; }
.max-w-apple-screen { max-width: 100vw !important; }
.max-w-apple-xs { max-width: var(--container-xs) !important; }
.max-w-apple-sm { max-width: var(--container-sm) !important; }
.max-w-apple-md { max-width: var(--container-md) !important; }
.max-w-apple-lg { max-width: var(--container-lg) !important; }
.max-w-apple-xl { max-width: var(--container-xl) !important; }

.min-h-apple-0 { min-height: 0 !important; }
.min-h-apple-full { min-height: 100% !important; }
.min-h-apple-screen { min-height: 100vh !important; }
.min-h-apple-touch { min-height: var(--touch-target) !important; }

.max-h-apple-full { max-height: 100% !important; }
.max-h-apple-screen { max-height: 100vh !important; }

/* ===== Apple Shadow & Elevation System ===== */

/* Apple shadow utilities */
.shadow-apple-none { box-shadow: none !important; }
.shadow-apple-xs { box-shadow: var(--shadow-xs) !important; }
.shadow-apple-sm { box-shadow: var(--shadow-sm) !important; }
.shadow-apple-md { box-shadow: var(--shadow-md) !important; }
.shadow-apple-lg { box-shadow: var(--shadow-lg) !important; }
.shadow-apple-xl { box-shadow: var(--shadow-xl) !important; }

/* Apple iOS-style card shadows */
.shadow-apple-card {
    box-shadow: 
        0 1px 3px 0 rgba(0, 0, 0, 0.1),
        0 1px 2px 0 rgba(0, 0, 0, 0.06) !important;
}

.shadow-apple-card-hover {
    box-shadow: 
        0 4px 6px -1px rgba(0, 0, 0, 0.1),
        0 2px 4px -1px rgba(0, 0, 0, 0.06) !important;
}

.shadow-apple-card-pressed {
    box-shadow: 
        0 1px 2px 0 rgba(0, 0, 0, 0.05) !important;
}

/* ===== Apple Visual Effects ===== */

/* Apple blur effects */
.blur-apple-none { backdrop-filter: none !important; }
.blur-apple-sm { backdrop-filter: var(--blur-sm) !important; }
.blur-apple-md { backdrop-filter: var(--blur-md) !important; }
.blur-apple-lg { backdrop-filter: var(--blur-lg) !important; }

/* Apple opacity utilities */
.opacity-apple-0 { opacity: 0 !important; }
.opacity-apple-25 { opacity: 0.25 !important; }
.opacity-apple-50 { opacity: 0.5 !important; }
.opacity-apple-75 { opacity: 0.75 !important; }
.opacity-apple-100 { opacity: 1 !important; }

/* Apple transforms */
.scale-apple-95 { transform: scale(0.95) !important; }
.scale-apple-100 { transform: scale(1) !important; }
.scale-apple-105 { transform: scale(1.05) !important; }
.scale-apple-110 { transform: scale(1.1) !important; }

.rotate-apple-0 { transform: rotate(0deg) !important; }
.rotate-apple-45 { transform: rotate(45deg) !important; }
.rotate-apple-90 { transform: rotate(90deg) !important; }
.rotate-apple-180 { transform: rotate(180deg) !important; }

/* Apple translate utilities */
.translate-apple-0 { transform: translate(0, 0) !important; }
.translate-apple-x-1 { transform: translateX(var(--spacing-1)) !important; }
.translate-apple-x-2 { transform: translateX(var(--spacing-2)) !important; }
.translate-apple-y-1 { transform: translateY(var(--spacing-1)) !important; }
.translate-apple-y-2 { transform: translateY(var(--spacing-2)) !important; }

/* Apple transition utilities */
.transition-apple-none { transition: none !important; }
.transition-apple-fast { transition: all var(--transition-fast) !important; }
.transition-apple-base { transition: all var(--transition-base) !important; }
.transition-apple-slow { transition: all var(--transition-slow) !important; }
.transition-apple-spring { transition: all var(--transition-spring) !important; }

/* Specific property transitions */
.transition-apple-colors { 
    transition: 
        color var(--transition-fast),
        background-color var(--transition-fast),
        border-color var(--transition-fast) !important;
}

.transition-apple-transform { transition: transform var(--transition-base) !important; }
.transition-apple-opacity { transition: opacity var(--transition-base) !important; }
.transition-apple-shadow { transition: box-shadow var(--transition-base) !important; }

/* ===== Apple State Utilities ===== */

/* Apple interactive states */
.hover-apple-lift:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-apple-card-hover);
}

.active-apple-press:active {
    transform: scale(0.98);
    transition: transform var(--transition-fast);
}

.focus-apple-ring:focus {
    outline: 2px solid var(--apple-blue);
    outline-offset: 2px;
}

.focus-apple-ring:focus:not(:focus-visible) {
    outline: none;
}

/* Apple disabled state */
.disabled-apple {
    opacity: 0.3 !important;
    pointer-events: none !important;
}

/* Apple loading state */
.loading-apple {
    opacity: 0.6;
    pointer-events: none;
    position: relative;
}

.loading-apple::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 16px;
    height: 16px;
    margin: -8px 0 0 -8px;
    border: 2px solid var(--apple-label-quaternary);
    border-top: 2px solid var(--apple-blue);
    border-radius: 50%;
    animation: spin-apple 1s linear infinite;
}

@keyframes spin-apple {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.question-card .btn-danger:hover {
    transform: scale(1.1) !important;       /* More dramatic circular scale */
    box-shadow: 0 6px 16px rgba(220, 53, 69, 0.4) !important;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .card-size-control {
        flex-direction: column;
        align-items: stretch !important;
        gap: 0.5rem;
    }
    
    .card-size-control .d-flex {
        justify-content: center;
    }
}

/* Bootstrap 5.3 Compatibility - Subtle Backgrounds (Apple Style) */
.bg-primary-subtle { background-color: rgba(0, 122, 255, 0.1) !important; color: #007AFF !important; }
.bg-secondary-subtle { background-color: rgba(142, 142, 147, 0.1) !important; color: #8E8E93 !important; }
.bg-success-subtle { background-color: rgba(52, 199, 89, 0.1) !important; color: #34C759 !important; }
.bg-info-subtle { background-color: rgba(90, 200, 250, 0.1) !important; color: #007AFF !important; } /* Using Blue for Info to match Apple style */
.bg-warning-subtle { background-color: rgba(255, 149, 0, 0.1) !important; color: #FF9500 !important; }
.bg-danger-subtle { background-color: rgba(255, 59, 48, 0.1) !important; color: #FF3B30 !important; }
.bg-light-subtle { background-color: rgba(242, 242, 247, 0.5) !important; color: #8E8E93 !important; }
.bg-dark-subtle { background-color: rgba(60, 60, 67, 0.1) !important; color: #3C3C43 !important; }

/* Avatar Circle Helper */
.avatar-circle {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.9rem;
    background-color: var(--apple-gray-6);
    color: var(--apple-secondary-label);
}

/* Icon Circle Helper */
.icon-circle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50% !important;
    width: 48px;
    height: 48px;
    transition: all 0.2s ease;
}

.icon-circle.sm {
    width: 32px;
    height: 32px;
    font-size: 0.875rem;
}

.icon-circle.lg {
    width: 64px;
    height: 64px;
    font-size: 1.5rem;
}

/* Custom File Input Styling */
input[type='file'].form-control {
    padding: 0.375rem 0.75rem;
    border-radius: 0.5rem;
}
input[type='file'].form-control::file-selector-button {
    background-color: var(--apple-gray-6);
    color: var(--apple-label);
    border-right: 1px solid var(--apple-gray-4);
    margin-right: 1rem;
}


/* Bootstrap 5.1 Compatibility - Pill Utilities */
.rounded-start-pill {
    border-top-left-radius: 50rem !important;
    border-bottom-left-radius: 50rem !important;
}
.rounded-end-pill {
    border-top-right-radius: 50rem !important;
    border-bottom-right-radius: 50rem !important;
}

/* Search Bar Fixes */
.input-group .input-group-text.bg-light {
    background-color: #f8f9fa !important;
    border-color: #ced4da;
}
.input-group .form-control.bg-light {
    background-color: #f8f9fa !important;
    border-color: #ced4da;
}
.input-group .form-control:focus {
    background-color: #fff !important;
    box-shadow: none;
    border-color: var(--apple-blue);
}
/* Ensure no border between merged inputs */
.input-group .border-end-0 { border-right: 0 !important; }
.input-group .border-start-0 { border-left: 0 !important; }


/* Robust Merged Search Bar Pill */
.input-group.search-bar-pill {
    border-radius: 50rem !important;
    overflow: hidden;
    box-shadow: none !important;
    border: 1px solid #ced4da;
    background-color: #f8f9fa; /* bg-light */
    transition: all 0.2s ease-in-out;
}

.input-group.search-bar-pill .input-group-text {
    background-color: transparent !important;
    border: none !important;
    padding-right: 0.5rem;
    color: #6c757d;
    border-radius: 0 !important;
}

.input-group.search-bar-pill .form-control {
    background-color: transparent !important;
    border: none !important;
    box-shadow: none !important;
    padding-left: 0.5rem;
    border-radius: 0 !important;
}

.input-group.search-bar-pill:focus-within {
    border-color: var(--apple-blue);
    background-color: #fff;
    box-shadow: 0 0 0 4px rgba(0, 122, 255, 0.1) !important;
}


/* Fix for select inputs in search bars */
.input-group.search-bar-pill .form-select {
    background-color: transparent !important;
    border: none !important;
    box-shadow: none !important;
    padding-left: 0.5rem;
    border-radius: 0 !important;
}
.input-group.search-bar-pill:focus-within .form-select {
    background-color: transparent !important;
}