/* File 13: assets/css/style.css (COMPLETE ENHANCED VERSION - All Issues Resolved) */

/* --- CSS Variables for Modern Theme --- */
:root {
    /* Primary Colors - Modern Palette */
    --primary-dark: #1a1f36;
    --primary-blue: #2563eb;
    --primary-teal: #14b8a6;
    --primary-purple: #8b5cf6;
    --primary-rose: #f43f5e;
    --primary-orange: #f97316;
    --primary-green: #10b981;
    
    /* Neutral Colors */
    --white: #ffffff;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    --black: #000000;
    
    /* Background Colors */
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f1f5f9;
    --bg-dark: #1f2937;
    
    /* Status Colors */
    --success: #10b981;
    --success-bg: #d1fae5;
    --success-border: #6ee7b7;
    --success-light: #ecfdf5;
    --error: #ef4444;
    --error-bg: #fee2e2;
    --error-border: #fca5a5;
    --error-light: #fef2f2;
    --warning: #f59e0b;
    --warning-bg: #fef3c7;
    --warning-border: #fcd34d;
    --warning-light: #fffbeb;
    --info: #3b82f6;
    --info-bg: #dbeafe;
    --info-border: #93c5fd;
    --info-light: #eff6ff;
    
    /* Typography */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-display: 'Plus Jakarta Sans', var(--font-sans);
    --font-mono: 'SF Mono', Monaco, 'Inconsolata', 'Roboto Mono', 'Source Code Pro', monospace;
    
    /* Font Sizes */
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 1.875rem;
    --text-4xl: 2.25rem;
    
    /* Line Heights */
    --leading-none: 1;
    --leading-tight: 1.25;
    --leading-snug: 1.375;
    --leading-normal: 1.5;
    --leading-relaxed: 1.625;
    --leading-loose: 2;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px -1px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --shadow-inner: inset 0 2px 4px 0 rgba(0, 0, 0, 0.05);
    
    /* Transitions */
    --transition-all: all 150ms ease-out;
    --transition-fast: 150ms ease-out;
    --transition-base: 200ms ease-out;
    --transition-slow: 300ms ease-out;
    --transition-colors: color 150ms ease-out, background-color 150ms ease-out, border-color 150ms ease-out;
    
    /* Border Radius */
    --radius-none: 0;
    --radius-sm: 0.375rem;
    --radius: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --radius-2xl: 2rem;
    --radius-full: 9999px;
    
    /* Spacing Scale */
    --space-px: 1px;
    --space-0: 0;
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-7: 1.75rem;
    --space-8: 2rem;
    --space-9: 2.25rem;
    --space-10: 2.5rem;
    --space-11: 2.75rem;
    --space-12: 3rem;
    --space-14: 3.5rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;
    --space-32: 8rem;
    
    /* Z-Index Scale */
    --z-0: 0;
    --z-10: 10;
    --z-20: 20;
    --z-30: 30;
    --z-40: 40;
    --z-50: 50;
    --z-auto: auto;
    
    /* Breakpoints */
    --screen-sm: 640px;
    --screen-md: 768px;
    --screen-lg: 1024px;
    --screen-xl: 1280px;
    --screen-2xl: 1536px;
    
    /* Layout */
    --container-max-width: 1280px;
    --sidebar-width: 280px;
    --header-height: 70px;
    --footer-height: 80px;
}

/* --- Enhanced Global Reset & Base Styles --- */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-text-size-adjust: 100%;
    -moz-text-size-adjust: 100%;
    text-size-adjust: 100%;
}

/* HTML and Body Setup for Perfect Layout */
html {
    font-size: 16px !important;
    line-height: var(--leading-normal);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100% !important;
    -moz-text-size-adjust: 100% !important;
    -ms-text-size-adjust: 100% !important;
    text-size-adjust: 100% !important;
    height: 100%;
    font-feature-settings: 'kern' 1, 'liga' 1, 'calt' 1;
    text-rendering: optimizeLegibility;
}

body {
    font-family: var(--font-sans);
    font-size: var(--text-base);
    line-height: var(--leading-normal);
    color: var(--gray-900);
    background-color: var(--bg-secondary);
    min-height: 100vh;
    height: 100%;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
    -webkit-overflow-scrolling: touch;
    touch-action: manipulation;
    position: relative;
}

/* Prevent iOS zoom on inputs */
@supports (-webkit-touch-callout: none) {
    input[type="email"],
    input[type="number"],
    input[type="password"],
    input[type="search"],
    input[type="tel"],
    input[type="text"],
    input[type="url"],
    textarea,
    select {
        font-size: 16px !important;
    }
}

/* --- Enhanced Typography --- */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: var(--leading-tight);
    color: var(--gray-900);
    margin-bottom: 0.75em;
    letter-spacing: -0.025em;
    text-rendering: optimizeLegibility;
    font-feature-settings: 'kern' 1, 'liga' 1;
}

h1 { 
    font-size: var(--text-4xl); 
    font-weight: 800;
    letter-spacing: -0.05em;
}
h2 { 
    font-size: var(--text-3xl); 
    font-weight: 700;
}
h3 { 
    font-size: var(--text-2xl); 
    font-weight: 600;
}
h4 { 
    font-size: var(--text-xl); 
    font-weight: 600;
}
h5 { 
    font-size: var(--text-lg); 
    font-weight: 600;
}
h6 { 
    font-size: var(--text-base); 
    font-weight: 600;
}

@media (max-width: 768px) {
    h1 { font-size: var(--text-3xl); }
    h2 { font-size: var(--text-2xl); }
    h3 { font-size: var(--text-xl); }
    h4 { font-size: var(--text-lg); }
}

p {
    margin-bottom: var(--space-4);
    color: var(--gray-700);
    line-height: var(--leading-relaxed);
}

a {
    color: var(--primary-blue);
    text-decoration: none;
    transition: var(--transition-colors);
    cursor: pointer;
}

a:hover {
    color: var(--primary-purple);
}

a:focus-visible {
    outline: 2px solid var(--primary-blue);
    outline-offset: 2px;
    border-radius: var(--radius-sm);
}

/* Enhanced Text Utilities */
.text-xs { font-size: var(--text-xs); }
.text-sm { font-size: var(--text-sm); }
.text-base { font-size: var(--text-base); }
.text-lg { font-size: var(--text-lg); }
.text-xl { font-size: var(--text-xl); }
.text-2xl { font-size: var(--text-2xl); }
.text-3xl { font-size: var(--text-3xl); }
.text-4xl { font-size: var(--text-4xl); }

.font-light { font-weight: 300; }
.font-normal { font-weight: 400; }
.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }
.font-extrabold { font-weight: 800; }

.text-left { text-align: left; }
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-justify { text-align: justify; }

.leading-none { line-height: var(--leading-none); }
.leading-tight { line-height: var(--leading-tight); }
.leading-snug { line-height: var(--leading-snug); }
.leading-normal { line-height: var(--leading-normal); }
.leading-relaxed { line-height: var(--leading-relaxed); }
.leading-loose { line-height: var(--leading-loose); }

/* Text Colors */
.text-gray-50 { color: var(--gray-50); }
.text-gray-100 { color: var(--gray-100); }
.text-gray-200 { color: var(--gray-200); }
.text-gray-300 { color: var(--gray-300); }
.text-gray-400 { color: var(--gray-400); }
.text-gray-500 { color: var(--gray-500); }
.text-gray-600 { color: var(--gray-600); }
.text-gray-700 { color: var(--gray-700); }
.text-gray-800 { color: var(--gray-800); }
.text-gray-900 { color: var(--gray-900); }
.text-white { color: var(--white); }
.text-black { color: var(--black); }

.text-primary { color: var(--primary-blue); }
.text-success { color: var(--success); }
.text-error { color: var(--error); }
.text-warning { color: var(--warning); }
.text-info { color: var(--info); }

.text-muted { color: var(--gray-600); }

/* --- Container System --- */
.container {
    width: 100%;
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--space-4);
    box-sizing: border-box;
}

@media (min-width: 640px) {
    .container { padding: 0 var(--space-6); }
}

@media (min-width: 1024px) {
    .container { padding: 0 var(--space-8); }
}

/* --- Enhanced Header --- */
.main-header {
    background: linear-gradient(135deg, var(--primary-dark) 0%, #2d3561 100%);
    color: var(--white);
    position: sticky;
    top: 0;
    z-index: var(--z-50);
    box-shadow: var(--shadow-lg);
    width: 100%;
    flex-shrink: 0;
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.main-header::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--primary-dark) 0%, #2d3561 100%);
    opacity: 0.95;
    z-index: -1;
}

.main-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--space-4);
    padding-bottom: var(--space-4);
    min-height: var(--header-height);
    position: relative;
}

.logo-area {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    flex-shrink: 0;
    z-index: var(--z-10);
}

.logo-area img {
    height: 2.5rem;
    width: auto;
    max-width: 150px;
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.2));
}

.logo-area a {
    color: var(--white);
    font-family: var(--font-display);
    font-size: var(--text-xl);
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: var(--space-3);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
    transition: var(--transition-colors);
}

.logo-area a:hover {
    color: var(--white);
    opacity: 0.9;
}

/* --- Enhanced Navigation --- */
.main-navigation {
    position: relative;
    z-index: var(--z-10);
}

.main-navigation ul {
    list-style: none;
    display: flex;
    gap: var(--space-2);
    margin: 0;
    padding: 0;
    align-items: center;
}

.main-navigation li {
    position: relative;
}

.main-navigation a {
    color: rgba(255, 255, 255, 0.9);
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius);
    font-weight: 500;
    font-size: var(--text-sm);
    transition: var(--transition-all);
    display: block;
    white-space: nowrap;
    position: relative;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
    border: 1px solid transparent;
}

.main-navigation a::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--primary-teal);
    transform: translateX(-50%);
    transition: width var(--transition-base);
    border-radius: var(--radius-full);
}

.main-navigation a:hover,
.main-navigation a.active {
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
    border-color: rgba(255, 255, 255, 0.2);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
}

.main-navigation a:hover::before,
.main-navigation a.active::before {
    width: 80%;
}

.main-navigation a:focus-visible {
    outline: 2px solid var(--white);
    outline-offset: 2px;
}

.mobile-nav-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--white);
    cursor: pointer;
    padding: var(--space-2);
    border-radius: var(--radius);
    transition: var(--transition-all);
    font-size: var(--text-xl);
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid transparent;
}

.mobile-nav-toggle:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
}

.mobile-nav-toggle:focus-visible {
    outline: 2px solid var(--white);
    outline-offset: 2px;
}

/* --- Enhanced Main Content Area --- */
main {
    flex: 1 0 auto;
    padding: var(--space-8) 0;
    width: 100%;
    min-height: calc(100vh - var(--header-height) - var(--footer-height));
    position: relative;
    animation: fadeIn 0.3s ease-out;
}

@keyframes fadeIn {
    from { 
        opacity: 0; 
        transform: translateY(10px); 
    }
    to { 
        opacity: 1; 
        transform: translateY(0); 
    }
}

/* --- Enhanced Cards & Containers --- */
.form-container,
.filters-container,
.dashboard-section,
.form-manage,
.data-list {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    padding: var(--space-8);
    margin-bottom: var(--space-6);
    border: 1px solid var(--gray-200);
    width: 100%;
    box-sizing: border-box;
    position: relative;
    transition: var(--transition-all);
}

.form-container:hover,
.dashboard-section:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.card-header {
    border-bottom: 1px solid var(--gray-200);
    padding-bottom: var(--space-4);
    margin-bottom: var(--space-6);
}

.card-body {
    padding: 0;
}

.card-footer {
    border-top: 1px solid var(--gray-200);
    padding-top: var(--space-4);
    margin-top: var(--space-6);
}

/* --- Enhanced Page Headers --- */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-8);
    padding-bottom: var(--space-6);
    border-bottom: 2px solid var(--gray-200);
    flex-wrap: wrap;
    gap: var(--space-4);
    position: relative;
}

.page-header::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 60px;
    height: 4px;
    background: linear-gradient(135deg, var(--primary-teal) 0%, var(--primary-blue) 100%);
    border-radius: var(--radius-full);
}

.page-header h1 {
    margin: 0;
    color: var(--primary-dark);
    flex: 1;
    min-width: 200px;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-purple) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.page-header p {
    margin: 0;
    color: var(--gray-600);
    font-size: var(--text-sm);
}

/* --- ENHANCED MODERN BUTTON SYSTEM --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 15px;
    line-height: 1.5;
    transition: all 0.2s ease;
    cursor: pointer;
    border: none;
    text-decoration: none;
    position: relative;
    box-sizing: border-box;
    min-height: 44px;
    white-space: nowrap;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
    font-family: var(--font-sans);
    overflow: hidden;
    text-transform: none;
    letter-spacing: 0.02em;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Button Ripple Effect */
.btn::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:active::after {
    width: 300px;
    height: 300px;
}

/* Button Icons */
.btn .material-symbols-outlined {
    font-size: 20px;
    transition: transform 0.2s ease;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
    transform: none !important;
    box-shadow: none !important;
}

.btn:focus-visible {
    outline: 3px solid rgba(59, 130, 246, 0.5);
    outline-offset: 2px;
}

/* Primary Button - Green Gradient */
.btn-primary {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: white;
    box-shadow: 0 4px 14px 0 rgba(16, 185, 129, 0.25);
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.2) 0%, transparent 100%);
    transition: left 0.3s ease;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #059669 0%, #047857 100%);
    box-shadow: 0 6px 20px 0 rgba(16, 185, 129, 0.35);
    transform: translateY(-2px);
    color: white;
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-primary:hover .material-symbols-outlined {
    transform: scale(1.1);
}

.btn-primary:active {
    transform: translateY(0);
    box-shadow: 0 2px 8px 0 rgba(16, 185, 129, 0.25);
}

/* Add Button - Same as Primary */
.btn-add {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: white;
    box-shadow: 0 4px 14px 0 rgba(16, 185, 129, 0.25);
    position: relative;
    overflow: hidden;
}

.btn-add::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.2) 0%, transparent 100%);
    transition: left 0.3s ease;
}

.btn-add:hover {
    background: linear-gradient(135deg, #059669 0%, #047857 100%);
    box-shadow: 0 6px 20px 0 rgba(16, 185, 129, 0.35);
    transform: translateY(-2px);
    color: white;
}

.btn-add:hover::before {
    left: 100%;
}

.btn-add:hover .material-symbols-outlined {
    transform: scale(1.1) rotate(90deg);
}

.btn-add:active {
    transform: translateY(0);
    box-shadow: 0 2px 8px 0 rgba(16, 185, 129, 0.25);
}

/* Secondary Button */
.btn-secondary {
    background: white;
    color: #374151;
    border: 2px solid #e5e7eb;
    box-shadow: 0 2px 8px 0 rgba(0, 0, 0, 0.05);
}

.btn-secondary:hover {
    background: #f9fafb;
    border-color: #d1d5db;
    box-shadow: 0 4px 12px 0 rgba(0, 0, 0, 0.08);
    transform: translateY(-1px);
    color: #1f2937;
}

/* Success Button */
.btn-success {
    background: linear-gradient(135deg, var(--primary-teal) 0%, var(--primary-green) 100%);
    color: white;
    box-shadow: 0 4px 14px 0 rgba(20, 184, 166, 0.25);
}

.btn-success:hover {
    background: linear-gradient(135deg, var(--primary-green) 0%, var(--primary-teal) 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px 0 rgba(20, 184, 166, 0.35);
    color: white;
}

/* Danger Button */
.btn-danger {
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
    color: white;
    box-shadow: 0 4px 14px 0 rgba(239, 68, 68, 0.25);
}

.btn-danger:hover {
    background: linear-gradient(135deg, #dc2626 0%, #b91c1c 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px 0 rgba(239, 68, 68, 0.35);
    color: white;
}

/* Warning Button */
.btn-warning {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    color: white;
    box-shadow: 0 4px 14px 0 rgba(245, 158, 11, 0.25);
}

.btn-warning:hover {
    background: linear-gradient(135deg, #d97706 0%, #b45309 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px 0 rgba(245, 158, 11, 0.35);
    color: white;
}

/* Info Button */
.btn-info {
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
    color: white;
    box-shadow: 0 4px 14px 0 rgba(59, 130, 246, 0.25);
}

.btn-info:hover {
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px 0 rgba(59, 130, 246, 0.35);
    color: white;
}

/* Filter Button */
.btn-filter {
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
    color: white;
    box-shadow: 0 4px 14px 0 rgba(59, 130, 246, 0.25);
}

.btn-filter:hover {
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
    box-shadow: 0 6px 20px 0 rgba(59, 130, 246, 0.35);
    transform: translateY(-2px);
    color: white;
}

.btn-filter:hover .material-symbols-outlined {
    transform: rotate(180deg);
}

/* Reset Button */
.btn-reset {
    background: white;
    color: #6b7280;
    border: 2px solid #e5e7eb;
    box-shadow: 0 2px 8px 0 rgba(0, 0, 0, 0.05);
}

.btn-reset:hover {
    background: #f9fafb;
    color: #374151;
    border-color: #d1d5db;
    box-shadow: 0 4px 12px 0 rgba(0, 0, 0, 0.08);
    transform: translateY(-1px);
}

.btn-reset:hover .material-symbols-outlined {
    transform: rotate(-180deg);
}

/* Export Button */
.btn-export {
    background: linear-gradient(135deg, #8b5cf6 0%, #7c3aed 100%);
    color: white;
    box-shadow: 0 4px 14px 0 rgba(139, 92, 246, 0.25);
}

.btn-export:hover {
    background: linear-gradient(135deg, #7c3aed 0%, #6d28d9 100%);
    box-shadow: 0 6px 20px 0 rgba(139, 92, 246, 0.35);
    transform: translateY(-2px);
    color: white;
}

.btn-export:hover .material-symbols-outlined {
    transform: translateY(2px);
}

/* Special Buttons */
.btn-view-all {
    color: var(--primary-blue);
    text-decoration: none;
    font-size: var(--text-sm);
    font-weight: 500;
    transition: var(--transition-colors);
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
}

.btn-view-all:hover {
    color: var(--primary-purple);
    transform: translateX(4px);
}

.btn-go {
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
    color: white;
    padding: 6px 12px;
    font-size: 12px;
    min-height: 32px;
    border-radius: 6px;
    box-shadow: 0 2px 8px 0 rgba(59, 130, 246, 0.2);
}

.btn-go:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 12px 0 rgba(59, 130, 246, 0.3);
}

/* Button Sizes */
.btn-xs {
    padding: 6px 12px;
    font-size: 12px;
    min-height: 32px;
    gap: 4px;
}

.btn-xs .material-symbols-outlined {
    font-size: 16px;
}

.btn-sm,
.btn-small {
    padding: 8px 16px;
    font-size: 13px;
    min-height: 36px;
    gap: 6px;
}

.btn-sm .material-symbols-outlined,
.btn-small .material-symbols-outlined {
    font-size: 18px;
}

.btn-lg {
    padding: 14px 32px;
    font-size: 17px;
    min-height: 52px;
    gap: 10px;
}

.btn-lg .material-symbols-outlined {
    font-size: 24px;
}

.btn-xl {
    padding: 16px 40px;
    font-size: 19px;
    min-height: 60px;
    gap: 12px;
}

.btn-xl .material-symbols-outlined {
    font-size: 28px;
}

/* Button Utilities */
.btn-block {
    width: 100%;
    justify-content: center;
}

.btn-outline {
    background: transparent;
    border-width: 2px;
}

.btn-outline-primary {
    color: var(--primary-blue);
    border-color: var(--primary-blue);
}

.btn-outline-primary:hover {
    background: var(--primary-blue);
    color: white;
}

/* Special Page Header Buttons */
.page-header .btn-add {
    font-size: 14px;
    padding: 10px 20px;
    box-shadow: 0 4px 14px 0 rgba(16, 185, 129, 0.3);
    border-radius: 10px;
}

.page-header .btn-add .material-symbols-outlined {
    font-size: 18px;
}

/* Login Button */
.login-btn {
    width: 100%;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-purple) 100%);
    color: white;
    padding: 14px;
    border: none;
    border-radius: 10px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    min-height: 48px;
    box-shadow: 0 4px 14px 0 rgba(59, 130, 246, 0.25);
}

.login-btn:hover {
    background: linear-gradient(135deg, var(--primary-purple) 0%, var(--primary-blue) 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px 0 rgba(139, 92, 246, 0.35);
}

/* Loading State for Buttons */
.btn.loading {
    color: transparent;
    pointer-events: none;
}

.btn.loading::before {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    top: 50%;
    left: 50%;
    margin-left: -10px;
    margin-top: -10px;
    border: 2px solid #ffffff;
    border-radius: 50%;
    border-top-color: transparent;
    animation: button-spinner 0.8s linear infinite;
}

@keyframes button-spinner {
    to { transform: rotate(360deg); }
}

/* Button Group Styling */
.form-actions,
.filter-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    align-items: center;
}

/* --- Enhanced Form System --- */
.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-6);
    width: 100%;
}

.form-grid-manage {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-4);
}

.form-group {
    margin-bottom: var(--space-4);
    width: 100%;
    position: relative;
}

.form-group label {
    display: block;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: var(--space-2);
    font-size: var(--text-sm);
    line-height: var(--leading-normal);
}

.form-control,
.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    border: 2px solid var(--gray-300);
    border-radius: var(--radius);
    font-size: 16px !important; /* Prevent iOS zoom */
    font-family: var(--font-sans);
    line-height: var(--leading-normal);
    transition: var(--transition-all);
    background: var(--bg-primary);
    box-sizing: border-box;
    color: var(--gray-900);
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
}

.form-control:focus,
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
    background: var(--white);
    transform: translateY(-1px);
}

.form-control:disabled,
.form-group input:disabled,
.form-group select:disabled,
.form-group textarea:disabled {
    background: var(--gray-100);
    color: var(--gray-500);
    cursor: not-allowed;
    opacity: 0.6;
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
    font-family: var(--font-sans);
    line-height: var(--leading-relaxed);
}

.form-group select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3E%3Cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3E%3C/svg%3E");
    background-position: right var(--space-3) center;
    background-repeat: no-repeat;
    background-size: 1.5em 1.5em;
    padding-right: var(--space-10);
}

.form-group input[type="date"],
.form-group input[type="time"],
.form-group input[type="datetime-local"] {
    cursor: pointer;
}

.form-group input[type="file"] {
    padding: var(--space-2);
    border-style: dashed;
}

.form-group input[type="checkbox"],
.form-group input[type="radio"] {
    width: auto;
    margin-right: var(--space-2);
    transform: scale(1.2);
}


/* Form Validation States */
.form-group.has-error input,
.form-group.has-error select,
.form-group.has-error textarea,
.error {
    border-color: var(--error) !important;
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1) !important;
}

.form-group.has-success input,
.form-group.has-success select,
.form-group.has-success textarea {
    border-color: var(--success);
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
}

.form-group.has-warning input,
.form-group.has-warning select,
.form-group.has-warning textarea {
    border-color: var(--warning);
    box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.1);
}

/* Form Helpers */
.help-text {
    font-size: var(--text-xs);
    color: var(--gray-600);
    margin-top: var(--space-1);
    font-style: italic;
    line-height: var(--leading-normal);
}

.required-asterisk {
    color: var(--error);
    font-weight: bold;
    margin-left: var(--space-1);
}

.form-error-message {
    font-size: var(--text-sm);
    color: var(--error);
    margin-top: var(--space-2);
    padding: var(--space-2);
    background: var(--error-light);
    border: 1px solid var(--error-border);
    border-radius: var(--radius-sm);
}

.full-width-group {
    grid-column: 1 / -1;
}

.form-actions {
    display: flex;
    gap: var(--space-4);
    justify-content: flex-end;
    margin-top: var(--space-6);
    flex-wrap: wrap;
    padding-top: var(--space-4);
    border-top: 1px solid var(--gray-200);
}

/* --- Enhanced Message System --- */
.message {
    padding: var(--space-4);
    border-radius: var(--radius);
    margin-bottom: var(--space-4);
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    width: 100%;
    box-sizing: border-box;
    border: 1px solid transparent;
    position: relative;
    animation: slideIn 0.3s ease-out;
}

@keyframes slideIn {
    from { 
        opacity: 0; 
        transform: translateX(-20px); 
    }
    to { 
        opacity: 1; 
        transform: translateX(0); 
    }
}

.message::before {
    content: '';
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    border-radius: var(--radius-full);
}

.message.success {
    background: var(--success-bg);
    color: var(--success);
    border-color: var(--success-border);
}

.message.success::before {
    background: var(--success);
    -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='currentColor'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M5 13l4 4L19 7'/%3E%3C/svg%3E") no-repeat center;
    -webkit-mask-size: contain;
    mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='currentColor'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M5 13l4 4L19 7'/%3E%3C/svg%3E") no-repeat center;
    mask-size: contain;
}

.message.error {
    background: var(--error-bg);
    color: var(--error);
    border-color: var(--error-border);
}

.message.error::before {
    background: var(--error);
    -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='currentColor'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M6 18L18 6M6 6l12 12'/%3E%3C/svg%3E") no-repeat center;
    -webkit-mask-size: contain;
    mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='currentColor'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M6 18L18 6M6 6l12 12'/%3E%3C/svg%3E") no-repeat center;
    mask-size: contain;
}

.message.warning {
    background: var(--warning-bg);
    color: var(--warning);
    border-color: var(--warning-border);
}

.message.warning::before {
    background: var(--warning);
    -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='currentColor'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M12 9v2m0 4h.01m-6.938 4h13.856c1.54 0 2.502-1.667 1.732-2.5L13.732 4c-.77-.833-1.964-.833-2.732 0L3.732 16.5c-.77.833.192 2.5 1.732 2.5z'/%3E%3C/svg%3E") no-repeat center;
    -webkit-mask-size: contain;
    mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='currentColor'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M12 9v2m0 4h.01m-6.938 4h13.856c1.54 0 2.502-1.667 1.732-2.5L13.732 4c-.77-.833-1.964-.833-2.732 0L3.732 16.5c-.77.833.192 2.5 1.732 2.5z'/%3E%3C/svg%3E") no-repeat center;
    mask-size: contain;
}

.message.info {
    background: var(--info-bg);
    color: var(--info);
    border-color: var(--info-border);
}

.message.info::before {
    background: var(--info);
    -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='currentColor'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M13 16h-1v-4h-1m1-4h.01M21 12a9 9 0 11-18 0 9 9 0 0118 0z'/%3E%3C/svg%3E") no-repeat center;
    -webkit-mask-size: contain;
    mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='currentColor'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M13 16h-1v-4h-1m1-4h.01M21 12a9 9 0 11-18 0 9 9 0 0118 0z'/%3E%3C/svg%3E") no-repeat center;
    mask-size: contain;
}

.error-summary ul {
    margin: 0;
    padding-left: var(--space-5);
}

.error-summary li {
    margin-bottom: var(--space-1);
}

/* --- Enhanced Table System --- */
.table-responsive {
    overflow-x: auto;
    margin: var(--space-4) 0;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    width: 100%;
    -webkit-overflow-scrolling: touch;
    position: relative;
}

.data-table {
    width: 100%;
    min-width: 600px;
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border-collapse: collapse;
    font-variant-numeric: tabular-nums;
}

.data-table th {
    background: linear-gradient(135deg, var(--primary-dark) 0%, #2d3561 100%);
    color: var(--white);
    padding: var(--space-4);
    text-align: left;
    font-weight: 600;
    font-size: var(--text-sm);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    white-space: nowrap;
    position: sticky;
    top: 0;
    z-index: var(--z-10);
    border-bottom: 2px solid var(--primary-blue);
}

.data-table th:first-child {
    border-top-left-radius: var(--radius-lg);
}

.data-table th:last-child {
    border-top-right-radius: var(--radius-lg);
}

.data-table th a {
    color: var(--white);
    opacity: 0.9;
    transition: var(--transition-colors);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

.data-table th a:hover {
    opacity: 1;
    color: var(--white);
}

.data-table td {
    padding: var(--space-4);
    border-bottom: 1px solid var(--gray-200);
    font-size: var(--text-sm);
    vertical-align: top;
    line-height: var(--leading-normal);
}

.data-table tr {
    transition: var(--transition-colors);
}

.data-table tbody tr:hover {
    background: var(--gray-50);
}

.data-table tbody tr:nth-child(even) {
    background: rgba(249, 250, 251, 0.5);
}

.data-table tbody tr:nth-child(even):hover {
    background: var(--gray-50);
}

.data-table .actions {
    display: flex;
    gap: var(--space-2);
    flex-wrap: nowrap;
    align-items: center;
    justify-content: center;
}

.data-table .actions a {
    color: var(--gray-600);
    transition: var(--transition-all);
    padding: var(--space-2);
    border-radius: var(--radius-sm);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 36px;
    min-height: 36px;
    border: 1px solid transparent;
    text-decoration: none;
}

.data-table .actions a:hover {
    color: var(--primary-blue);
    background: var(--gray-100);
    border-color: var(--gray-200);
    transform: scale(1.05);
}

.data-table .actions a:focus-visible {
    outline: 2px solid var(--primary-blue);
    outline-offset: 2px;
}

.wrap-text {
    word-wrap: break-word;
    word-break: break-word;
    hyphens: auto;
    max-width: 200px;
}

.no-results {
    text-align: center;
    color: var(--gray-600);
    font-style: italic;
    padding: var(--space-8);
    background: var(--gray-50);
    border-radius: var(--radius);
    margin: var(--space-4) 0;
}

/* --- Enhanced Dashboard System --- */
.dashboard-container {
    width: 100%;
}

.dashboard-grid-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-6);
    margin-bottom: var(--space-8);
    width: 100%;
}

.stat-card {
    background: var(--white);
    padding: var(--space-6);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    text-align: center;
    border: 1px solid var(--gray-200);
    position: relative;
    overflow: hidden;
    transition: var(--transition-all);
    border-top: 4px solid var(--primary-teal);
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-teal) 0%, var(--primary-blue) 100%);
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.stat-card h3 {
    font-size: var(--text-sm);
    color: var(--gray-600);
    margin-bottom: var(--space-3);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
}

.stat-card .stat-number {
    font-size: var(--text-4xl);
    font-weight: 800;
    color: var(--primary-dark);
    line-height: var(--leading-none);
    margin-bottom: var(--space-2);
    font-variant-numeric: tabular-nums;
}

.stat-card.total-students {
    border-top-color: var(--primary-blue);
}

.stat-card.passed-students {
    border-top-color: var(--success);
}

.stat-card.failed-students {
    border-top-color: var(--error);
}

.stat-card.pending-docs {
    border-top-color: var(--warning);
}

.dashboard-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-6);
    margin-bottom: var(--space-6);
    width: 100%;
}

.dashboard-col {
    width: 100%;
    min-width: 0; /* Prevent grid overflow */
}

.chart-col {
    display: flex;
    flex-direction: column;
}

.list-col {
    display: flex;
    flex-direction: column;
}

/* --- Enhanced Chart System --- */
.chart-wrapper {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    box-shadow: var(--shadow);
    border: 1px solid var(--gray-200);
    width: 100%;
    box-sizing: border-box;
    position: relative;
    overflow: hidden;
    margin-bottom: var(--space-6);
}

.chart-wrapper h3 {
    margin-bottom: var(--space-4);
    text-align: center;
    color: var(--gray-900);
    font-size: var(--text-lg);
    font-weight: 600;
}

.chart-container {
    position: relative !important;
    overflow: hidden !important;
    width: 100% !important;
    height: 350px !important;
    background: var(--white);
    border-radius: var(--radius);
}

.chart-container canvas {
    width: 100% !important;
    height: 100% !important;
    max-width: 100% !important;
    max-height: 100% !important;
    display: block;
}

.no-data-message {
    text-align: center;
    color: var(--gray-600);
    font-style: italic;
    padding: var(--space-8);
    background: var(--gray-50);
    border-radius: var(--radius);
    border: 2px dashed var(--gray-300);
    margin: var(--space-4) 0;
}

.no-data-message p {
    margin: var(--space-2) 0;
    line-height: var(--leading-normal);
}

.no-data-overlay {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: var(--gray-600);
    z-index: var(--z-10);
    pointer-events: none;
    background: rgba(255, 255, 255, 0.9);
    padding: var(--space-4);
    border-radius: var(--radius);
    -webkit-backdrop-filter: blur(5px);
    backdrop-filter: blur(5px);
}

/* --- Enhanced Activity Lists --- */
.activity-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.activity-list li {
    padding: var(--space-3) 0;
    border-bottom: 1px solid var(--gray-200);
    transition: var(--transition-colors);
}

.activity-list li:last-child {
    border-bottom: none;
}

.activity-list li:hover {
    background: var(--gray-50);
    padding-left: var(--space-2);
    padding-right: var(--space-2);
    margin-left: calc(var(--space-2) * -1);
    margin-right: calc(var(--space-2) * -1);
    border-radius: var(--radius-sm);
}

.activity-list strong {
    display: block;
    color: var(--gray-900);
    margin-bottom: var(--space-1);
    font-weight: 600;
}

.activity-list small {
    color: var(--gray-600);
    font-size: var(--text-xs);
    display: block;
    line-height: var(--leading-normal);
}

/* --- Enhanced Quick Links --- */
.quick-links-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--space-4);
    width: 100%;
}

.quick-links-grid a {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-4);
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    text-decoration: none;
    color: var(--gray-700);
    transition: var(--transition-all);
    box-shadow: var(--shadow-sm);
    text-align: center;
    min-height: 100px;
    justify-content: center;
}

.quick-links-grid a:hover {
    color: var(--primary-blue);
    border-color: var(--primary-blue);
    box-shadow: var(--shadow);
    transform: translateY(-2px);
}

.quick-links-grid a:focus-visible {
    outline: 2px solid var(--primary-blue);
    outline-offset: 2px;
}

.quick-links-grid a .material-symbols-outlined {
    font-size: var(--text-2xl);
    margin-bottom: var(--space-1);
}

/* --- Enhanced Pagination --- */
.pagination-controls {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--space-2);
    margin-top: var(--space-8);
    flex-wrap: wrap;
}

.pagination-controls a,
.pagination-controls strong,
.pagination-controls span {
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius);
    font-size: var(--text-sm);
    font-weight: 500;
    transition: var(--transition-all);
    min-width: 40px;
    text-align: center;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    border: 1px solid transparent;
}

.pagination-controls a {
    background: var(--white);
    color: var(--gray-700);
    border-color: var(--gray-300);
}

.pagination-controls a:hover {
    background: var(--gray-50);
    border-color: var(--primary-blue);
    color: var(--primary-blue);
    transform: translateY(-1px);
}

.pagination-controls strong {
    background: var(--primary-blue);
    color: var(--white);
    box-shadow: var(--shadow);
    border-color: var(--primary-blue);
}

.pagination-controls span {
    color: var(--gray-400);
    cursor: default;
}

.pagination-summary {
    color: var(--gray-600);
    font-size: var(--text-sm);
    margin: var(--space-2) 0;
}

/* --- Enhanced Controls Bar --- */
.controls-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-4);
    flex-wrap: wrap;
    gap: var(--space-4);
    padding: var(--space-4);
    background: var(--white);
    border-radius: var(--radius);
    border: 1px solid var(--gray-200);
}

.items-per-page-selector {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.items-per-page-selector label {
    font-weight: 500;
    color: var(--gray-700);
    font-size: var(--text-sm);
    margin: 0;
}

.items-per-page-selector select {
    padding: var(--space-2) var(--space-3);
    border: 1px solid var(--gray-300);
    border-radius: var(--radius);
    font-size: var(--text-sm);
    background: var(--white);
    cursor: pointer;
}

.export-container {
    margin-left: auto;
}

/* --- Enhanced Filters --- */
.filters-container {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    margin-bottom: var(--space-6);
    box-shadow: var(--shadow);
    border: 1px solid var(--gray-200);
}

.filters-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-4);
    margin-bottom: var(--space-4);
}

.filter-actions {
    display: flex;
    gap: var(--space-4);
    justify-content: flex-start;
    flex-wrap: wrap;
    padding-top: var(--space-4);
    border-top: 1px solid var(--gray-200);
}

.dashboard-filters {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    margin-bottom: var(--space-6);
    box-shadow: var(--shadow);
    border: 1px solid var(--gray-200);
}

/* --- Enhanced Footer with Perfect Positioning --- */
.main-footer {
    /* Critical footer properties for sticky positioning */
    flex-shrink: 0;
    margin-top: auto;
    
    /* Enhanced styling and visibility */
    background: linear-gradient(135deg, var(--primary-dark) 0%, #2d3561 100%);
    color: var(--white);
    padding: var(--space-6) 0;
    text-align: center;
    width: 100%;
    position: relative;
    z-index: var(--z-10);
    box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.1);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    min-height: var(--footer-height);
    display: flex;
    align-items: center;
}

.main-footer::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--primary-dark) 0%, #2d3561 100%);
    opacity: 0.95;
    z-index: -1;
}

.main-footer .container {
    width: 100%;
}

.main-footer p {
    margin: 0;
    color: var(--white);
    font-size: var(--text-sm);
    font-weight: 400;
    opacity: 0.95;
    line-height: var(--leading-normal);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

.main-footer strong {
    color: var(--white);
    font-weight: 600;
}

/* --- Enhanced Login Page --- */
.login-page {
    background: linear-gradient(135deg, var(--primary-dark) 0%, #2d3561 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: var(--space-4);
    position: relative;
    overflow: hidden;
}

.login-page::before {
    content: '';
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(37, 99, 235, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(139, 92, 246, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 40% 80%, rgba(20, 184, 166, 0.2) 0%, transparent 50%);
    animation: float 20s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

.login-container {
    background: var(--white);
    padding: var(--space-8);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-2xl);
    width: 100%;
    max-width: 400px;
    text-align: center;
    position: relative;
    z-index: var(--z-10);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.login-logo {
    margin-bottom: var(--space-6);
}

.login-logo img {
    max-width: 200px;
    height: auto;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.1));
}

/* --- Enhanced Loading States --- */
.loading {
    position: relative;
    pointer-events: none;
    opacity: 0.6;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 24px;
    height: 24px;
    border: 3px solid var(--gray-300);
    border-top-color: var(--primary-blue);
    border-radius: var(--radius-full);
    animation: spin 0.8s linear infinite;
    transform: translate(-50%, -50%);
    z-index: var(--z-20);
}

@keyframes spin {
    to { transform: translate(-50%, -50%) rotate(360deg); }
}

/* Skeleton Loading */
.skeleton {
    background: linear-gradient(90deg, var(--gray-200) 25%, var(--gray-100) 50%, var(--gray-200) 75%);
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s infinite;
    border-radius: var(--radius);
}

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

.skeleton-text {
    height: 1em;
    margin-bottom: 0.5em;
}

.skeleton-text:last-child {
    width: 60%;
}

/* --- Enhanced Accessibility --- */
.sr-only {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
    border-width: 0 !important;
}

.skip-link {
    position: absolute;
    top: -40px;
    left: 6px;
    background: var(--black);
    color: var(--white);
    padding: var(--space-2) var(--space-4);
    text-decoration: none;
    z-index: var(--z-50);
    border-radius: var(--radius);
    font-weight: 600;
    transition: var(--transition-all);
}

.skip-link:focus {
    top: 6px !important;
}

/* Focus Management */
*:focus-visible {
    outline: 2px solid var(--primary-blue) !important;
    outline-offset: 2px !important;
    border-radius: var(--radius-sm);
}

button:focus-visible,
.btn:focus-visible {
    outline-offset: 2px;
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
    :root {
        --gray-100: #f0f0f0;
        --gray-200: #e0e0e0;
        --gray-300: #c0c0c0;
        --gray-600: #404040;
        --gray-700: #303030;
        --gray-900: #000000;
    }
    
    .btn {
        border-width: 2px;
    }
    
    .form-control,
    .form-group input,
    .form-group select,
    .form-group textarea {
        border-width: 2px;
    }
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
    
    .skeleton {
        animation: none;
        background: var(--gray-200);
    }
}

/* --- Enhanced Responsive Design --- */
@media (max-width: 1024px) {
    .main-header .container {
        flex-wrap: wrap;
        gap: var(--space-4);
    }
    
    .main-navigation {
        display: none;
        width: 100%;
        order: 3;
        margin-top: var(--space-4);
        background: rgba(255, 255, 255, 0.1);
        border-radius: var(--radius);
        padding: var(--space-2);
        -webkit-backdrop-filter: blur(10px);
        backdrop-filter: blur(10px);
    }
    
    .main-navigation.active {
        display: block;
        animation: slideDown 0.3s ease-out;
    }
    
    @keyframes slideDown {
        from { 
            opacity: 0; 
            transform: translateY(-10px); 
        }
        to { 
            opacity: 1; 
            transform: translateY(0); 
        }
    }
    
    .main-navigation ul {
        flex-direction: column;
        gap: 0;
    }
    
    .main-navigation a {
        display: block;
        padding: var(--space-3) var(--space-4);
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        border-radius: var(--radius-sm);
        margin-bottom: var(--space-1);
    }
    
    .main-navigation a:last-child {
        border-bottom: none;
        margin-bottom: 0;
    }
    
    .mobile-nav-toggle {
        display: flex !important;
    }
    
    .dashboard-row {
        grid-template-columns: 1fr;
    }
    
    .chart-container {
        height: 300px !important;
    }
}

@media (max-width: 768px) {
    main {
        padding: var(--space-6) 0;
    }
    
    .form-grid {
        grid-template-columns: 1fr;
    }
    
    .page-header {
        flex-direction: column;
        align-items: stretch;
        text-align: center;
        gap: var(--space-3);
    }
    
    .page-header h1 {
        text-align: center;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
        padding: 14px 20px;
        font-size: 16px;
    }
    
    .page-header .btn-add {
        width: 100%;
    }
    
    .form-actions,
    .filter-actions {
        flex-direction: column;
        width: 100%;
    }
    
    .btn-add,
    .btn-export,
    .btn-filter,
    .btn-reset {
        width: 100%;
        justify-content: center;
    }
    
    .dashboard-grid-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-4);
    }
    
    .table-responsive {
        margin: 0 calc(var(--space-4) * -1);
        border-radius: 0;
        box-shadow: none;
        border-top: 1px solid var(--gray-200);
        border-bottom: 1px solid var(--gray-200);
    }
    
    .data-table {
        font-size: var(--text-xs);
        min-width: 500px;
    }
    
    .data-table th,
    .data-table td {
        padding: var(--space-2) var(--space-3);
    }
    
    .quick-links-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .chart-wrapper {
        padding: var(--space-4);
    }
    
    .main-footer {
        padding: var(--space-4) 0;
    }
    
    .main-footer p {
        font-size: var(--text-xs);
        padding: 0 var(--space-4);
    }
    
    .controls-bar {
        flex-direction: column;
        align-items: stretch;
        gap: var(--space-3);
    }
    
    .export-container {
        margin-left: 0;
        align-self: stretch;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--space-3);
    }
    
    .form-container,
    .filters-container,
    .dashboard-section,
    .form-manage,
    .data-list {
        padding: var(--space-4);
        margin-bottom: var(--space-4);
    }
    
    .stat-card .stat-number {
        font-size: var(--text-3xl);
    }
    
    .pagination-controls {
        flex-wrap: wrap;
        gap: var(--space-1);
    }
    
    .pagination-controls a,
    .pagination-controls strong {
        min-width: 36px;
        padding: var(--space-1) var(--space-2);
    }
    
    .quick-links-grid {
        grid-template-columns: 1fr;
    }
    
    .data-table {
        min-width: 400px;
    }
    
    .dashboard-grid-stats {
        grid-template-columns: 1fr;
    }
    
    .chart-container {
        height: 250px !important;
    }
    
    .filters-grid {
        grid-template-columns: 1fr;
    }
    
    .form-actions {
        flex-direction: column;
    }
    
    .login-container {
        padding: var(--space-6);
        margin: var(--space-4);
    }
}

/* --- Enhanced Utility Classes --- */
/* Spacing */
.m-0 { margin: 0 !important; }
.m-1 { margin: var(--space-1) !important; }
.m-2 { margin: var(--space-2) !important; }
.m-3 { margin: var(--space-3) !important; }
.m-4 { margin: var(--space-4) !important; }
.m-5 { margin: var(--space-5) !important; }
.m-6 { margin: var(--space-6) !important; }
.m-8 { margin: var(--space-8) !important; }

.mt-0 { margin-top: 0 !important; }
.mt-1 { margin-top: var(--space-1) !important; }
.mt-2 { margin-top: var(--space-2) !important; }
.mt-3 { margin-top: var(--space-3) !important; }
.mt-4 { margin-top: var(--space-4) !important; }
.mt-6 { margin-top: var(--space-6) !important; }
.mt-8 { margin-top: var(--space-8) !important; }

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

.ml-0 { margin-left: 0 !important; }
.ml-2 { margin-left: var(--space-2) !important; }
.ml-4 { margin-left: var(--space-4) !important; }
.ml-auto { margin-left: auto !important; }

.mr-0 { margin-right: 0 !important; }
.mr-2 { margin-right: var(--space-2) !important; }
.mr-4 { margin-right: var(--space-4) !important; }
.mr-auto { margin-right: auto !important; }

.p-0 { padding: 0 !important; }
.p-1 { padding: var(--space-1) !important; }
.p-2 { padding: var(--space-2) !important; }
.p-3 { padding: var(--space-3) !important; }
.p-4 { padding: var(--space-4) !important; }
.p-6 { padding: var(--space-6) !important; }
.p-8 { padding: var(--space-8) !important; }

.pt-0 { padding-top: 0 !important; }
.pt-2 { padding-top: var(--space-2) !important; }
.pt-4 { padding-top: var(--space-4) !important; }
.pt-6 { padding-top: var(--space-6) !important; }

.pb-0 { padding-bottom: 0 !important; }
.pb-2 { padding-bottom: var(--space-2) !important; }
.pb-4 { padding-bottom: var(--space-4) !important; }
.pb-6 { padding-bottom: var(--space-6) !important; }

.pl-0 { padding-left: 0 !important; }
.pl-2 { padding-left: var(--space-2) !important; }
.pl-4 { padding-left: var(--space-4) !important; }

.pr-0 { padding-right: 0 !important; }
.pr-2 { padding-right: var(--space-2) !important; }
.pr-4 { padding-right: var(--space-4) !important; }

/* Display */
.hidden { display: none !important; }
.block { display: block !important; }
.inline { display: inline !important; }
.inline-block { display: inline-block !important; }
.flex { display: flex !important; }
.inline-flex { display: inline-flex !important; }
.grid { display: grid !important; }

/* Flexbox */
.flex-row { flex-direction: row !important; }
.flex-col { flex-direction: column !important; }
.flex-wrap { flex-wrap: wrap !important; }
.flex-nowrap { flex-wrap: nowrap !important; }

.items-start { align-items: flex-start !important; }
.items-center { align-items: center !important; }
.items-end { align-items: flex-end !important; }
.items-stretch { align-items: stretch !important; }

.justify-start { justify-content: flex-start !important; }
.justify-center { justify-content: center !important; }
.justify-end { justify-content: flex-end !important; }
.justify-between { justify-content: space-between !important; }
.justify-around { justify-content: space-around !important; }

.flex-1 { flex: 1 1 0% !important; }
.flex-auto { flex: 1 1 auto !important; }
.flex-none { flex: none !important; }

/* Sizing */
.w-full { width: 100% !important; }
.w-auto { width: auto !important; }
.w-fit { width: fit-content !important; }

.h-full { height: 100% !important; }
.h-auto { height: auto !important; }
.h-fit { height: fit-content !important; }

.min-w-0 { min-width: 0 !important; }
.min-h-0 { min-height: 0 !important; }

.max-w-none { max-width: none !important; }
.max-w-full { max-width: 100% !important; }

/* Position */
.relative { position: relative !important; }
.absolute { position: absolute !important; }
.fixed { position: fixed !important; }
.sticky { position: sticky !important; }

.top-0 { top: 0 !important; }
.right-0 { right: 0 !important; }
.bottom-0 { bottom: 0 !important; }
.left-0 { left: 0 !important; }

/* Z-Index */
.z-0 { z-index: 0 !important; }
.z-10 { z-index: 10 !important; }
.z-20 { z-index: 20 !important; }
.z-30 { z-index: 30 !important; }
.z-40 { z-index: 40 !important; }
.z-50 { z-index: 50 !important; }

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

/* Border Radius */
.rounded-none { border-radius: 0 !important; }
.rounded-sm { border-radius: var(--radius-sm) !important; }
.rounded { border-radius: var(--radius) !important; }
.rounded-md { border-radius: var(--radius-md) !important; }
.rounded-lg { border-radius: var(--radius-lg) !important; }
.rounded-xl { border-radius: var(--radius-xl) !important; }
.rounded-full { border-radius: var(--radius-full) !important; }

/* Background Colors */
.bg-white { background-color: var(--white) !important; }
.bg-gray-50 { background-color: var(--gray-50) !important; }
.bg-gray-100 { background-color: var(--gray-100) !important; }
.bg-gray-200 { background-color: var(--gray-200) !important; }
.bg-primary { background-color: var(--primary-blue) !important; }
.bg-success { background-color: var(--success) !important; }
.bg-error { background-color: var(--error) !important; }
.bg-warning { background-color: var(--warning) !important; }
.bg-info { background-color: var(--info) !important; }

/* Border Colors */
.border-gray-200 { border-color: var(--gray-200) !important; }
.border-gray-300 { border-color: var(--gray-300) !important; }
.border-primary { border-color: var(--primary-blue) !important; }
.border-success { border-color: var(--success) !important; }
.border-error { border-color: var(--error) !important; }
.border-warning { border-color: var(--warning) !important; }
.border-info { border-color: var(--info) !important; }

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

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

/* --- Special Components --- */
.table-scroll-indicator {
    text-align: center;
    padding: var(--space-2);
    background: var(--gray-50);
    border-top: 1px solid var(--gray-200);
    font-size: var(--text-xs);
    color: var(--gray-600);
}

@media (min-width: 769px) {
    .table-scroll-indicator {
        display: none !important;
    }
}

.admin-comment-cell.new-admin-comment-highlight {
    background: var(--warning-light);
    border-left: 4px solid var(--warning);
}

.new-comment-icon {
    color: var(--warning);
    font-size: var(--text-sm);
    vertical-align: middle;
}

.read-only-admin-comment {
    background: var(--gray-50);
    padding: var(--space-3);
    border-radius: var(--radius);
    border: 1px solid var(--gray-200);
    color: var(--gray-700);
    font-style: italic;
}

/* --- Enhanced Print Styles --- */
@media print {
    /* Hide interactive elements */
    .main-header,
    .main-footer,
    .btn,
    .pagination-controls,
    .filters-container,
    .mobile-nav-toggle,
    .skip-link,
    .controls-bar,
    .filter-actions,
    .form-actions,
    .actions {
        display: none !important;
    }
    
    /* Reset layout for print */
    body {
        background: var(--white) !important;
        color: var(--black) !important;
        font-size: 12pt !important;
        display: block !important;
        line-height: 1.4 !important;
    }
    
    main {
        display: block !important;
        padding: 0 !important;
        min-height: auto !important;
    }
    
    .container {
        max-width: none !important;
        padding: 0 !important;
    }
    
    /* Optimize tables for print */
    .data-table {
        border: 1px solid var(--black) !important;
        font-size: 10pt !important;
    }
    
    .data-table th {
        background: var(--gray-200) !important;
        color: var(--black) !important;
        border: 1px solid var(--black) !important;
    }
    
    .data-table td {
        border: 1px solid var(--gray-400) !important;
        padding: 4pt !important;
    }
    
    /* Headers and text */
    .page-header h1 {
        color: var(--black) !important;
        font-size: 18pt !important;
        margin-bottom: 12pt !important;
    }
    
    h2 { font-size: 14pt !important; }
    h3 { font-size: 12pt !important; }
    
    /* Charts - hide or replace with text */
    .chart-wrapper {
        display: none !important;
    }
    
    /* Ensure page breaks */
    .dashboard-section,
    .form-container {
        page-break-inside: avoid;
        break-inside: avoid;
    }
    
    /* Add print timestamp */
    .page-header::after {
        content: "Printed on " attr(data-print-date);
        font-size: 8pt;
        color: var(--gray-600);
        position: absolute;
        top: 0;
        right: 0;
    }
}

/* --- Browser-Specific Fixes --- */
/* Safari */
@supports (-webkit-appearance: none) {
    .form-control,
    .form-group input,
    .form-group select,
    .form-group textarea {
        -webkit-appearance: none;
        appearance: none;
    }
    
    .form-group select {
        background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3E%3Cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3E%3C/svg%3E");
    }
}

/* Firefox */
@-moz-document url-prefix() {
    .form-group select {
        background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3E%3Cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3E%3C/svg%3E");
    }
}

/* Edge/IE compatibility */
@supports (-ms-ime-align: auto) {
    .grid {
        display: -ms-grid;
    }
}

/* --- Performance Optimizations --- */
/* Enable hardware acceleration for animations */
.btn,
.card,
.stat-card,
.chart-wrapper,
.form-container {
    transform: translateZ(0);
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
    perspective: 1000px;
}

/* Optimize scroll performance */
.table-responsive {
    contain: layout style paint;
}

/* Optimize repaints */
.data-table tr:hover {
    contain: layout style paint;
}

/* --- Dark Mode Support (Future Enhancement) --- */
@media (prefers-color-scheme: dark) {
    /* This can be expanded in the future for dark mode support */
    .login-page {
        background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    }
}

/* --- Custom Scrollbars --- */
/* Webkit browsers */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--gray-100);
    border-radius: var(--radius);
}

::-webkit-scrollbar-thumb {
    background: var(--gray-400);
    border-radius: var(--radius);
    transition: var(--transition-colors);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--gray-500);
}

/* Firefox */
* {
    scrollbar-width: thin;
    scrollbar-color: var(--gray-400) var(--gray-100);
}

/* --- Multiple Course Addition Styles --- */
.course-input-group {
    display: flex;
    gap: 12px;
    align-items: center;
    margin-bottom: 12px;
    padding: 12px;
    background: #f9fafb;
    border-radius: 8px;
    border: 1px solid #e5e7eb;
    transition: all 0.2s ease;
}

.course-input-group:hover {
    border-color: #d1d5db;
    background: #f3f4f6;
}

.course-input-group input {
    flex: 1;
}

.course-number {
    font-weight: 600;
    color: #6b7280;
    min-width: 30px;
}

.btn-remove-course {
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
    color: white;
    border: none;
    padding: 8px 12px;
    border-radius: 6px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 14px;
    transition: all 0.2s ease;
    box-shadow: 0 2px 8px 0 rgba(239, 68, 68, 0.2);
}

.btn-remove-course:hover {
    background: linear-gradient(135deg, #dc2626 0%, #b91c1c 100%);
    transform: scale(1.05);
    box-shadow: 0 4px 12px 0 rgba(239, 68, 68, 0.3);
}

.btn-add-course {
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 8px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 15px;
    font-weight: 500;
    transition: all 0.2s ease;
    margin-top: 16px;
    box-shadow: 0 4px 14px 0 rgba(59, 130, 246, 0.25);
}

.btn-add-course:hover {
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
    transform: translateY(-1px);
    box-shadow: 0 6px 20px 0 rgba(59, 130, 246, 0.35);
}

#coursesList {
    margin-top: 24px;
    padding: 20px;
    background: white;
    border-radius: 12px;
    border: 2px solid #e5e7eb;
}

.courses-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 2px solid #f3f4f6;
}

.courses-header h3 {
    margin: 0;
    color: #1f2937;
    font-size: 18px;
}

.course-counter {
    background: #dbeafe;
    color: #1e40af;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
}

/* --- Inactivity Warning Styles --- */
#inactivityWarning {
    position: fixed;
    top: 20px;
    right: 20px;
    left: 20px;
    max-width: 400px;
    margin: 0 auto;
    padding: 20px;
    background-color: #fff3cd;
    color: #664d03;
    border: 2px solid #ffeeba;
    border-radius: 12px;
    z-index: 9999;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
    font-size: 14px;
    text-align: center;
    animation: slideInDown 0.3s ease-out;
}

@keyframes slideInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

#inactivityWarning strong {
    font-size: 16px;
    display: block;
    margin-bottom: 8px;
}

#warningCountdown {
    font-weight: bold;
    color: #d63384;
    font-size: 18px;
}

#stayLoggedInBtn {
    background: linear-gradient(135deg, #0d6efd 0%, #0a58ca 100%);
    color: white;
    padding: 10px 24px;
    cursor: pointer;
    border: none;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 600;
    min-height: 40px;
    transition: all 0.2s ease;
    box-shadow: 0 4px 12px rgba(13, 110, 253, 0.25);
}

#stayLoggedInBtn:hover {
    background: linear-gradient(135deg, #0a58ca 0%, #0848a8 100%);
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(13, 110, 253, 0.35);
}

/* --- Final Cleanup and Overrides --- */
/* Ensure no unintended margins/padding */
.dashboard-container > *:last-child {
    margin-bottom: 0;
}

.form-container > *:last-child,
.data-list > *:last-child {
    margin-bottom: 0;
}

/* Ensure proper box model */
* {
    box-sizing: border-box;
}

/* Prevent text selection on UI elements */
.btn,
.pagination-controls a,
.pagination-controls strong,
.mobile-nav-toggle {
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

/* Ensure images are responsive */
img {
    max-width: 100%;
    height: auto;
}

/* Clear floats (if any legacy floats exist) */
.clearfix::after {
    content: '';
    display: table;
    clear: both;
}

/* Enhanced Chart.js Canvas Styling */
canvas {
    -moz-user-select: none;
    -webkit-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

/* Fix for Chart.js tooltip z-index */
.chartjs-tooltip {
    z-index: 9999 !important;
}

/* Enhanced Form Input Placeholders */
::placeholder {
    color: var(--gray-400);
    opacity: 1;
}

:-ms-input-placeholder {
    color: var(--gray-400);
}

::-ms-input-placeholder {
    color: var(--gray-400);
}

/* Enhanced Focus States for Accessibility */
a:focus,
button:focus,
input:focus,
select:focus,
textarea:focus {
    outline-offset: 2px;
}

/* Smooth Transitions for Interactive Elements */
a,
button,
input,
select,
textarea,
.btn,
.card,
.stat-card {
    transition: all 0.2s ease;
}

/* Enhanced Hover States */
a:hover {
    text-decoration: none;
}

.card:hover,
.stat-card:hover,
.form-container:hover,
.dashboard-section:hover {
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

/* Fix for iOS Button Styling */
input[type="submit"],
input[type="button"],
button {
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
}

/* Enhanced Table Row Hover */
.data-table tbody tr {
    position: relative;
    cursor: pointer;
}

.data-table tbody tr::after {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 3px;
    height: 100%;
    background: var(--primary-blue);
    opacity: 0;
    transition: opacity 0.2s ease;
}

.data-table tbody tr:hover::after {
    opacity: 1;
}

/* Status Badge Styles */
.status-badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.status-badge.interested { background: #dbeafe; color: #1e40af; }
.status-badge.not-interested { background: #fee2e2; color: #991b1b; }
.status-badge.documents-pending { background: #fef3c7; color: #92400e; }
.status-badge.documents-received { background: #d1fae5; color: #065f46; }
.status-badge.documents-uploaded { background: #cffafe; color: #155e75; }
.status-badge.interview-not-booked { background: #fed7aa; color: #9a3412; }
.status-badge.interview-booked { background: #e9d5ff; color: #6b21a8; }
.status-badge.passed { background: #bbf7d0; color: #14532d; }
.status-badge.failed { background: #fecaca; color: #7f1d1d; }

/* Enhanced Loading Animation */
.loading-spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(0, 0, 0, 0.1);
    border-radius: 50%;
    border-top-color: var(--primary-blue);
    animation: spin 1s ease-in-out infinite;
}

/* Notification Styles */
.notification {
    position: fixed;
    top: 80px;
    right: 20px;
    max-width: 350px;
    background: white;
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    padding: 16px;
    z-index: 9999;
    animation: slideInRight 0.3s ease-out;
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(100%);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Enhanced Dropdown Styles */
.dropdown {
    position: relative;
    display: inline-block;
}

.dropdown-content {
    display: none;
    position: absolute;
    background-color: white;
    min-width: 200px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
    border-radius: 8px;
    z-index: 1000;
    top: 100%;
    margin-top: 4px;
    border: 1px solid var(--gray-200);
}

.dropdown-content a {
    color: var(--gray-700);
    padding: 12px 16px;
    text-decoration: none;
    display: block;
    transition: all 0.2s ease;
}

.dropdown-content a:hover {
    background-color: var(--gray-50);
    color: var(--primary-blue);
}

.dropdown:hover .dropdown-content {
    display: block;
}

/* Badge Styles */
.badge {
    display: inline-block;
    padding: 2px 8px;
    font-size: 11px;
    font-weight: 600;
    line-height: 1;
    text-align: center;
    white-space: nowrap;
    vertical-align: baseline;
    border-radius: 12px;
}

.badge-primary { background: var(--primary-blue); color: white; }
.badge-success { background: var(--success); color: white; }
.badge-warning { background: var(--warning); color: white; }
.badge-danger { background: var(--error); color: white; }
.badge-info { background: var(--info); color: white; }

/* Enhanced Mobile Touch Targets */
@media (hover: none) and (pointer: coarse) {
    .btn,
    .data-table .actions a,
    input[type="submit"],
    input[type="button"],
    button {
        min-height: 44px;
        min-width: 44px;
    }
}

.campus-selection-container input[type="checkbox"] {
    -webkit-appearance: checkbox;
    -moz-appearance: checkbox;
    appearance: checkbox;
    cursor: pointer;
    margin: 0;
    margin-right: 0.5rem;
}

.campus-checkbox-wrapper label {
    padding: 0.25rem;
    border-radius: 4px;
    transition: background-color 0.2s ease;
}

.campus-checkbox-wrapper label:hover {
    background-color: rgba(0, 0, 0, 0.05);
}

/* Ensure checkboxes are properly styled on all browsers */
.campus-selection-container input[type="checkbox"]:focus {
    outline: 2px solid var(--primary-blue);
    outline-offset: 2px;
}



/* End of Complete Enhanced CSS */

/* Enhanced CSS for Smooth Animations and Better Performance */

/* Global optimizations for better performance */
* {
    box-sizing: border-box;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

html {
    scroll-behavior: smooth;
}

body {
    overflow-x: hidden;
    -webkit-overflow-scrolling: touch;
}

/* Enhanced Modal System with GPU acceleration */
.modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 9999;
    overflow-y: auto;
    opacity: 0;
    transition: opacity 250ms cubic-bezier(0.4, 0.0, 0.2, 1);
    will-change: opacity;
    backdrop-filter: blur(2px);
    -webkit-backdrop-filter: blur(2px);
}

.modal-overlay.show {
    opacity: 1;
}

.modal-container {
    position: relative;
    max-width: 1100px;
    margin: 30px auto;
    background-color: #fff;
    border-radius: 12px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    transform: translateY(-20px) scale(0.95);
    transition: transform 250ms cubic-bezier(0.4, 0.0, 0.2, 1);
    will-change: transform;
    overflow: hidden;
}

.modal-overlay.show .modal-container {
    transform: translateY(0) scale(1);
}

/* Enhanced Notes Modal */
.notes-modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 10001;
    overflow-y: auto;
    opacity: 0;
    transition: opacity 200ms cubic-bezier(0.4, 0.0, 0.2, 1);
    will-change: opacity;
    backdrop-filter: blur(2px);
    -webkit-backdrop-filter: blur(2px);
}

.notes-modal-overlay.show {
    opacity: 1;
}

.notes-modal {
    position: relative;
    max-width: 800px;
    margin: 30px auto;
    background-color: #fff;
    border-radius: 12px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    transform: translateY(-20px) scale(0.95);
    transition: transform 250ms cubic-bezier(0.4, 0.0, 0.2, 1);
    will-change: transform;
    overflow: hidden;
    resize: both;
    min-width: 400px;
    min-height: 300px;
}

.notes-modal-overlay.show .notes-modal {
    transform: translateY(0) scale(1);
}

/* Enhanced Comment Modal */
.comment-modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 10000;
    opacity: 0;
    transition: opacity 200ms cubic-bezier(0.4, 0.0, 0.2, 1);
    will-change: opacity;
    backdrop-filter: blur(2px);
    -webkit-backdrop-filter: blur(2px);
}

.comment-modal-overlay.show {
    opacity: 1;
}

.comment-modal {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) translateY(-20px) scale(0.95);
    background: white;
    padding: 24px;
    border-radius: 12px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    width: 500px;
    max-width: 90%;
    transition: transform 250ms cubic-bezier(0.4, 0.0, 0.2, 1);
    will-change: transform;
}

.comment-modal-overlay.show .comment-modal {
    transform: translate(-50%, -50%) translateY(0) scale(1);
}

/* Enhanced Modal Headers */
.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding: 24px;
    border-bottom: 1px solid #e5e7eb;
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
}

.notes-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
    border-bottom: 1px solid #e5e7eb;
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
}

/* Enhanced Close Buttons */
.modal-close,
.notes-modal-close {
    position: absolute;
    top: 20px;
    right: 20px;
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: #6b7280;
    padding: 8px;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all 200ms cubic-bezier(0.4, 0.0, 0.2, 1);
    will-change: transform, background-color;
}

.modal-close:hover,
.notes-modal-close:hover {
    background-color: #f3f4f6;
    color: #374151;
    transform: rotate(90deg) scale(1.1);
}

/* Enhanced Modal Body */
.modal-body {
    padding: 24px;
    max-height: calc(100vh - 200px);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
}

.notes-modal-body {
    padding: 24px;
    max-height: calc(90vh - 160px);
    overflow-y: auto;
    line-height: 1.7;
    white-space: pre-wrap;
    word-wrap: break-word;
    -webkit-overflow-scrolling: touch;
}

/* Enhanced Loading States */
.modal-loading {
    text-align: center;
    padding: 60px 20px;
    color: #6b7280;
}

.modal-loading .spinner {
    display: inline-block;
    width: 48px;
    height: 48px;
    border: 4px solid #f3f4f6;
    border-top: 4px solid #3b82f6;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 16px;
}

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

/* Enhanced Interactive Elements */
.notes-preview {
    position: relative;
    display: inline-block;
    cursor: pointer;
    transition: all 150ms cubic-bezier(0.4, 0.0, 0.2, 1);
    will-change: transform;
}

.notes-preview:hover {
    transform: scale(1.1);
}

.notes-preview .eye-icon {
    color: #3b82f6;
    font-size: 20px;
    vertical-align: middle;
    transition: all 150ms cubic-bezier(0.4, 0.0, 0.2, 1);
    will-change: color, transform;
}

.notes-preview:hover .eye-icon {
    color: #1d4ed8;
    transform: scale(1.1);
}

.add-comment-btn {
    color: #3b82f6;
    cursor: pointer;
    font-size: 20px;
    vertical-align: middle;
    margin-left: 10px;
    padding: 4px;
    border-radius: 50%;
    transition: all 150ms cubic-bezier(0.4, 0.0, 0.2, 1);
    will-change: transform, background-color;
}

.add-comment-btn:hover {
    color: #1d4ed8;
    background-color: #eff6ff;
    transform: scale(1.15) rotate(90deg);
}

/* Enhanced Clickable Names */
.clickable-name {
    color: #3b82f6;
    text-decoration: none;
    font-weight: 500;
    transition: all 200ms cubic-bezier(0.4, 0.0, 0.2, 1);
    cursor: pointer;
    position: relative;
    will-change: transform, color;
}

.clickable-name:hover {
    text-decoration: none;
    color: #1d4ed8;
    transform: translateX(3px);
}

.clickable-name::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -2px;
    left: 0;
    background-color: #3b82f6;
    transition: width 200ms cubic-bezier(0.4, 0.0, 0.2, 1);
}

.clickable-name:hover::after {
    width: 100%;
}

/* Enhanced Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 200ms cubic-bezier(0.4, 0.0, 0.2, 1);
    text-decoration: none;
    position: relative;
    overflow: hidden;
    will-change: transform, box-shadow;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 500ms;
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
    color: white;
    box-shadow: 0 4px 14px 0 rgba(59, 130, 246, 0.25);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px 0 rgba(59, 130, 246, 0.35);
}

.btn-secondary {
    background: linear-gradient(135deg, #6b7280 0%, #4b5563 100%);
    color: white;
    box-shadow: 0 4px 14px 0 rgba(107, 114, 128, 0.25);
}

.btn-secondary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px 0 rgba(107, 114, 128, 0.35);
}

.btn-add {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: white;
    box-shadow: 0 4px 14px 0 rgba(16, 185, 129, 0.25);
}

.btn-add:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px 0 rgba(16, 185, 129, 0.35);
}

/* Enhanced Status Badges */
.status-badge {
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    display: inline-block;
    text-transform: capitalize;
    position: relative;
    overflow: hidden;
    transition: all 200ms cubic-bezier(0.4, 0.0, 0.2, 1);
    will-change: transform;
}

.status-badge:hover {
    transform: scale(1.05);
}

.status-interested { 
    background: linear-gradient(135deg, #e3f2fd 0%, #bbdefb 100%); 
    color: #1565c0; 
    box-shadow: 0 2px 8px rgba(21, 101, 192, 0.15);
}

.status-not-interested { 
    background: linear-gradient(135deg, #ffebee 0%, #ffcdd2 100%); 
    color: #c62828; 
    box-shadow: 0 2px 8px rgba(198, 40, 40, 0.15);
}

.status-documents-pending { 
    background: linear-gradient(135deg, #fff3e0 0%, #ffe0b2 100%); 
    color: #e65100; 
    box-shadow: 0 2px 8px rgba(230, 81, 0, 0.15);
}

.status-documents-received { 
    background: linear-gradient(135deg, #f3e5f5 0%, #e1bee7 100%); 
    color: #6a1b9a; 
    box-shadow: 0 2px 8px rgba(106, 27, 154, 0.15);
}

.status-documents-uploaded { 
    background: linear-gradient(135deg, #e8f5e9 0%, #c8e6c9 100%); 
    color: #2e7d32; 
    box-shadow: 0 2px 8px rgba(46, 125, 50, 0.15);
}

.status-applied { 
    background: linear-gradient(135deg, #e8eaf6 0%, #c5cae9 100%); 
    color: #3f51b5; 
    box-shadow: 0 2px 8px rgba(63, 81, 181, 0.15);
}

.status-re-applied { 
    background: linear-gradient(135deg, #fce4ec 0%, #f8bbd9 100%); 
    color: #8e24aa; 
    box-shadow: 0 2px 8px rgba(142, 36, 170, 0.15);
}

.status-interview-not-booked { 
    background: linear-gradient(135deg, #fce4ec 0%, #f8bbd9 100%); 
    color: #c2185b; 
    box-shadow: 0 2px 8px rgba(194, 24, 91, 0.15);
}

.status-interview-booked { 
    background: linear-gradient(135deg, #e1f5fe 0%, #b3e5fc 100%); 
    color: #0277bd; 
    box-shadow: 0 2px 8px rgba(2, 119, 189, 0.15);
}

.status-passed { 
    background: linear-gradient(135deg, #c8e6c9 0%, #a5d6a7 100%); 
    color: #1b5e20; 
    box-shadow: 0 2px 8px rgba(27, 94, 32, 0.15);
}

.status-failed { 
    background: linear-gradient(135deg, #ffcdd2 0%, #ef9a9a 100%); 
    color: #b71c1c; 
    box-shadow: 0 2px 8px rgba(183, 28, 28, 0.15);
}
.status-not-eligible { 
    background: linear-gradient(135deg, #ee0606 0%, #eb5a5a 100%); 
    color: #374151; 
    box-shadow: 0 2px 8px rgba(55, 65, 81, 0.15);
}
.status-contact-later { 
    background: linear-gradient(135deg, #fefce8 0%, #fef3c7 100%); 
    color: #a16207; 
    box-shadow: 0 2px 8px rgba(161, 98, 7, 0.15);
}
.status-next-semester { 
    background: linear-gradient(135deg, #eef2ff 0%, #ddd6fe 100%); 
    color: #3730a3; 
    box-shadow: 0 2px 8px rgba(55, 48, 163, 0.15);
}

.status-default { 
    background: linear-gradient(135deg, #e0e0e0 0%, #bdbdbd 100%); 
    color: #424242; 
    box-shadow: 0 2px 8px rgba(66, 66, 66, 0.15);
}

/* Enhanced Forms */
.form-group input,
.form-group select,
.form-group textarea {
    padding: 12px 16px;
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    font-size: 14px;
    transition: all 200ms cubic-bezier(0.4, 0.0, 0.2, 1);
    will-change: border-color, box-shadow;
    background-color: #ffffff;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #3b82f6;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
    transform: translateY(-1px);
}

.form-group input:hover,
.form-group select:hover,
.form-group textarea:hover {
    border-color: #9ca3af;
}

/* Enhanced Table */
.data-table {
    transition: all 200ms cubic-bezier(0.4, 0.0, 0.2, 1);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.data-table tbody tr {
    transition: all 150ms cubic-bezier(0.4, 0.0, 0.2, 1);
    will-change: background-color;
}

.data-table tbody tr:hover {
    background-color: #f8fafc;
    transform: scale(1.001);
}

/* Enhanced Pagination */
.pagination-controls a {
    transition: all 200ms cubic-bezier(0.4, 0.0, 0.2, 1);
    will-change: transform, background-color;
    border-radius: 6px;
    padding: 8px 12px;
}

.pagination-controls a:hover {
    transform: translateY(-1px);
    background-color: #3b82f6;
    color: white;
}

/* Enhanced Loading Indicators */
.filter-loading {
    position: fixed;
    top: 20px;
    right: 20px;
    background: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
    color: white;
    padding: 12px 20px;
    border-radius: 8px;
    z-index: 10000;
    font-size: 14px;
    opacity: 0;
    transform: translateX(100px);
    transition: all 300ms cubic-bezier(0.4, 0.0, 0.2, 1);
    will-change: opacity, transform;
    box-shadow: 0 4px 14px 0 rgba(59, 130, 246, 0.25);
}

.filter-loading.show {
    opacity: 1;
    transform: translateX(0);
}

/* Enhanced Filters */
.filters-container {
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
    border-radius: 12px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    transition: all 200ms cubic-bezier(0.4, 0.0, 0.2, 1);
    will-change: box-shadow;
}

.filters-container:hover {
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

/* Enhanced Scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f5f9;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, #cbd5e1 0%, #94a3b8 100%);
    border-radius: 4px;
    transition: background 200ms ease;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, #94a3b8 0%, #64748b 100%);
}

/* Responsive Optimizations */
@media (max-width: 768px) {
    .modal-container,
    .notes-modal {
        margin: 10px;
        max-width: calc(100% - 20px);
        transform: translateY(-10px) scale(0.98);
    }
    
    .modal-overlay.show .modal-container,
    .notes-modal-overlay.show .notes-modal {
        transform: translateY(0) scale(1);
    }
    
    .modal-body,
    .notes-modal-body {
        padding: 16px;
    }
    
    .modal-header,
    .notes-modal-header {
        padding: 16px;
    }
    
    .btn {
        padding: 10px 16px;
        font-size: 13px;
    }
}

/* Performance Optimizations */
.chart-container {
    contain: layout style paint;
}

.modal-overlay,
.notes-modal-overlay,
.comment-modal-overlay {
    contain: layout style paint;
}

/* Reduce motion for users who prefer it */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
    
    .modal-overlay,
    .notes-modal-overlay,
    .comment-modal-overlay {
        transition: none !important;
    }
    
    .modal-container,
    .notes-modal,
    .comment-modal {
        transform: none !important;
        transition: none !important;
    }
}