/* ========================================
   SCHOLARTRACK ENHANCED DESIGN FRAMEWORK
   Elegant Academic Scholarship System
   ======================================== */

/* Import Academic Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Playfair+Display:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

/* CSS Variables for Academic Scholarship Design */
:root {
    /* Enhanced Academic Color Palette */
    --primary-red: #8B0000;
    --secondary-red: #b30000;
    --accent-red: #A52A2A;
    --accent-gold: #D4AF37; /* More elegant gold */
    --accent-blue: #1e3a8a; /* Academic blue */
    --accent-green: #059669; /* Success green */
    --background-light: #f8fafc;
    --background-white: #ffffff;
    --background-cream: #fefdf8; /* Warm academic background */
    --text-dark: #1a1a1a;
    --text-medium: #4a4a4a;
    --text-light: #777777;
    --border-light: #e2e8f0;
    --border-medium: #cbd5e1;
    --border-accent: #d4af37;
    
    /* Enhanced Academic Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-xxl: 3rem;
    --spacing-xxxl: 4rem;

    /* Academic Typography */
    --font-family-primary: 'Inter', 'Segoe UI', system-ui, sans-serif;
    --font-family-secondary: 'Georgia', 'Times New Roman', serif;
    --font-family-mono: 'JetBrains Mono', 'Fira Code', monospace;
    --font-family-display: 'Playfair Display', Georgia, serif;
    
    /* Academic Shadows and Effects */
    --shadow-sm: 0 1px 3px 0 rgba(139, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px -1px rgba(139, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(139, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(139, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-academic: 0 8px 32px rgba(139, 0, 0, 0.12);
    --shadow-glow: 0 0 20px rgba(212, 175, 55, 0.3);

    /* Academic Border Radius */
    --radius-sm: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --radius-full: 9999px;

    /* Smooth Academic Transitions */
    --transition-fast: 200ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* ========================================
   GLOBAL ENHANCEMENTS
   ======================================== */

/* Enhanced Academic Body Styling */
body {
    font-family: var(--font-family-primary);
    line-height: 1.7;
    color: var(--text-dark);
    background: linear-gradient(135deg, var(--background-light) 0%, var(--background-cream) 100%);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
    font-feature-settings: "kern" 1, "liga" 1;
    scroll-behavior: smooth;
}

/* Enhanced Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: var(--spacing-md);
    color: #1a1a1a; /* Darker for better visibility */
}

h1 {
    font-family: var(--font-family-display);
    font-size: 2.75rem;
    color: #000000;
    font-weight: 600;
    letter-spacing: -0.025em;
    text-shadow: 0 2px 4px rgba(139, 0, 0, 0.1);
}
h2 {
    font-family: var(--font-family-display);
    font-size: 2.25rem;
    color: #111111;
    font-weight: 500;
    letter-spacing: -0.02em;
}
h3 {
    font-size: 1.875rem;
    color: #1a1a1a;
    font-weight: 600;
    letter-spacing: -0.015em;
}
h4 {
    font-size: 1.5rem;
    color: #1a1a1a;
    font-weight: 500;
}
h5 {
    font-size: 1.25rem;
    color: #222222;
    font-weight: 500;
}
h6 {
    font-size: 1.125rem;
    color: #222222;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

p {
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
}

/* ========================================
   ENHANCED FORM COMPONENTS
   ======================================== */

/* Academic Form Controls */
.form-control {
    border: 2px solid var(--border-light);
    border-radius: var(--radius-md);
    padding: 1rem 1.25rem;
    font-size: 1rem;
    line-height: 1.6;
    transition: all var(--transition-normal);
    background: linear-gradient(145deg, var(--background-white) 0%, #fefefe 100%);
    box-shadow: var(--shadow-sm);
    font-family: var(--font-family-primary);
    position: relative;
}

.form-control:focus {
    border-color: var(--accent-gold);
    box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.15), var(--shadow-glow);
    background: var(--background-white);
    outline: none;
    transform: translateY(-1px);
}

.form-control:hover:not(:focus) {
    border-color: var(--border-medium);
}

/* Enhanced Form Labels */
.form-label {
    font-weight: 500;
    color: #1a1a1a; /* Darker for better visibility */
    margin-bottom: var(--spacing-sm);
    font-size: 0.95rem;
}

/* Enhanced Floating Labels */
.form-floating > .form-control {
    padding: 1rem 0.75rem;
}

.form-floating > label {
    color: var(--text-medium);
    font-weight: 400;
}

/* ========================================
   ENHANCED BUTTON COMPONENTS
   ======================================== */

/* Academic Primary Buttons */
.btn-danger, .btn-primary {
    background: linear-gradient(135deg, var(--primary-red) 0%, var(--accent-red) 50%, var(--secondary-red) 100%);
    border: none;
    border-radius: var(--radius-lg);
    padding: 1rem 2rem;
    font-weight: 600;
    font-size: 1rem;
    transition: all var(--transition-normal);
    text-transform: uppercase;
    letter-spacing: 0.75px;
    box-shadow: var(--shadow-academic);
    position: relative;
    overflow: hidden;
    font-family: var(--font-family-primary);
    backdrop-filter: blur(10px);
}

.btn-danger:hover, .btn-primary:hover {
    background: linear-gradient(135deg, var(--accent-red) 0%, var(--primary-red) 50%, var(--accent-gold) 100%);
    transform: translateY(-3px) scale(1.02);
    box-shadow: var(--shadow-xl), var(--shadow-glow);
}

.btn-danger:active, .btn-primary:active {
    transform: translateY(0);
    box-shadow: var(--shadow-sm);
}

/* Enhanced Secondary Buttons */
.btn-outline-danger, .btn-outline-primary {
    border: 2px solid var(--primary-red);
    color: var(--primary-red);
    background: transparent;
    border-radius: var(--radius-md);
    padding: 0.75rem 1.5rem;
    font-weight: 500;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-sm);
}

.btn-outline-danger:hover, .btn-outline-primary:hover {
    background: var(--primary-red);
    color: white;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

/* ========================================
   ENHANCED CARD COMPONENTS
   ======================================== */

/* Academic Cards */
.card {
    border: 1px solid var(--border-light);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-academic);
    transition: all var(--transition-normal);
    background: linear-gradient(145deg, var(--background-white) 0%, var(--background-cream) 100%);
    overflow: hidden;
    position: relative;
    backdrop-filter: blur(10px);
}

.card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: var(--shadow-xl), var(--shadow-glow);
    border-color: var(--accent-gold);
}

.card-header {
    background: linear-gradient(135deg, var(--primary-red) 0%, var(--accent-red) 50%, var(--accent-gold) 100%);
    color: white;
    border: none;
    padding: var(--spacing-xl);
    font-weight: 600;
    font-family: var(--font-family-display);
    position: relative;
    overflow: hidden;
}

.card-header::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 var(--transition-slow);
}

.card:hover .card-header::before {
    left: 100%;
}

.card-body {
    padding: var(--spacing-xl);
}

.card-footer {
    background: var(--background-light);
    border: none;
    padding: var(--spacing-lg);
}

/* ========================================
   ENHANCED ALERT COMPONENTS
   ======================================== */

/* Enhanced Alerts */
.alert {
    border: none;
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
    border-left: 4px solid;
}

.alert-danger {
    background: rgba(220, 53, 69, 0.1);
    color: #721c24;
    border-left-color: #dc3545;
}

.alert-success {
    background: rgba(25, 135, 84, 0.1);
    color: #0f5132;
    border-left-color: #198754;
}

.alert-warning {
    background: rgba(255, 193, 7, 0.1);
    color: #856404;
    border-left-color: #ffc107;
}

.alert-info {
    background: rgba(13, 202, 240, 0.1);
    color: #055160;
    border-left-color: #0dcaf0;
}

/* ========================================
   ENHANCED TABLE COMPONENTS
   ======================================== */

/* Enhanced Tables */
.table {
    background: var(--background-white);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    margin-bottom: var(--spacing-xl);
}

.table thead th {
    background: linear-gradient(135deg, var(--primary-red), var(--accent-red));
    color: white;
    border: none;
    padding: var(--spacing-lg);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 0.9rem;
}

.table tbody td {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--border-light);
    vertical-align: middle;
}

.table tbody tr:hover {
    background-color: rgba(139, 0, 0, 0.05);
}

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

/* ========================================
   ENHANCED NAVIGATION COMPONENTS
   ======================================== */

/* Enhanced Header Bar */
.header-bar {
    background: linear-gradient(135deg, var(--primary-red), var(--accent-red));
    box-shadow: var(--shadow-lg);
    backdrop-filter: blur(10px);
}

.header-bar .nav-link {
    color: white;
    font-weight: 500;
    text-decoration: none;
    transition: all var(--transition-normal);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-sm);
    position: relative;
}

.header-bar .nav-link:hover {
    color: var(--accent-gold);
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-1px);
}

/* Enhanced Sidebar */
.sidebar {
    background: linear-gradient(180deg, var(--primary-red), var(--accent-red));
    box-shadow: var(--shadow-lg);
    border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
}

.sidebar ul li a {
    transition: all var(--transition-normal);
    padding: var(--spacing-md);
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-sm);
    display: block;
}

.sidebar ul li a:hover,
.sidebar ul li a.active {
    background: rgba(255, 255, 255, 0.95);
    color: var(--primary-red);
    transform: translateX(5px);
    box-shadow: var(--shadow-md);
}

/* ========================================
   ENHANCED UTILITY CLASSES
   ======================================== */

/* Enhanced Spacing Utilities */
.p-enhanced { padding: var(--spacing-xl); }
.m-enhanced { margin: var(--spacing-xl); }
.mb-enhanced { margin-bottom: var(--spacing-xl); }
.mt-enhanced { margin-top: var(--spacing-xl); }

/* Enhanced Text Utilities */
.text-primary-red { color: var(--primary-red); }
.text-medium { color: var(--text-medium); }
.text-light { color: var(--text-light); }
.text-dark-enhanced { color: #000000; } /* Pure black for maximum visibility */
.text-very-dark { color: #111111; } /* Near black */
.text-readable { color: #1a1a1a; } /* Very readable dark gray */

/* Enhanced Background Utilities */
.bg-enhanced { background: var(--background-white); }
.bg-gradient-primary { 
    background: linear-gradient(135deg, var(--primary-red), var(--accent-red)); 
}

/* Enhanced Border Utilities */
.border-enhanced { border: 2px solid var(--border-light); }
.rounded-enhanced { border-radius: var(--radius-lg); }

/* Enhanced Shadow Utilities */
.shadow-enhanced { box-shadow: var(--shadow-lg); }
.shadow-hover:hover { box-shadow: var(--shadow-xl); }
.shadow-academic { box-shadow: var(--shadow-academic); }
.shadow-glow { box-shadow: var(--shadow-glow); }

/* ========================================
   ACADEMIC SPECIFIC COMPONENTS
   ======================================== */

/* Academic Page Headers */
.academic-header {
    background: linear-gradient(135deg, var(--primary-red) 0%, var(--accent-red) 50%, var(--accent-gold) 100%);
    color: white;
    padding: var(--spacing-xxxl) var(--spacing-xl);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.academic-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="white" opacity="0.1"/><circle cx="75" cy="75" r="1" fill="white" opacity="0.1"/><circle cx="50" cy="10" r="0.5" fill="white" opacity="0.1"/><circle cx="10" cy="60" r="0.5" fill="white" opacity="0.1"/><circle cx="90" cy="40" r="0.5" fill="white" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.3;
}

.academic-header h1 {
    position: relative;
    z-index: 2;
    margin: 0;
    font-size: 3rem;
    font-weight: 600;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.academic-header p {
    position: relative;
    z-index: 2;
    font-size: 1.25rem;
    opacity: 0.9;
    margin-top: var(--spacing-md);
}

/* Academic Status Badges */
.status-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

.status-badge.active {
    background: linear-gradient(135deg, var(--accent-green), #10b981);
    color: white;
}

.status-badge.pending {
    background: linear-gradient(135deg, var(--accent-gold), #f59e0b);
    color: white;
}

.status-badge.inactive {
    background: linear-gradient(135deg, #6b7280, #9ca3af);
    color: white;
}

/* Academic Progress Bars */
.progress-academic {
    height: 1rem;
    background: var(--background-light);
    border-radius: var(--radius-full);
    overflow: hidden;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.1);
}

.progress-academic .progress-bar {
    background: linear-gradient(135deg, var(--primary-red), var(--accent-gold));
    height: 100%;
    border-radius: var(--radius-full);
    transition: width var(--transition-slow);
    position: relative;
    overflow: hidden;
}

.progress-academic .progress-bar::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% { left: -100%; }
    100% { left: 100%; }
}

/* ========================================
   RESPONSIVE ENHANCEMENTS
   ======================================== */

@media (max-width: 768px) {
    :root {
        --spacing-xl: 1.5rem;
        --spacing-xxl: 2rem;
    }
    
    .card-body {
        padding: var(--spacing-lg);
    }
    
    .table thead th,
    .table tbody td {
        padding: var(--spacing-md);
    }
    
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
    h3 { font-size: 1.5rem; }
}

@media (max-width: 576px) {
    .btn-danger, .btn-primary,
    .btn-outline-danger, .btn-outline-primary {
        padding: 0.75rem 1rem;
        font-size: 0.95rem;
    }

    .form-control {
        padding: 0.75rem;
    }
}

/* ========================================
   ENHANCED MODAL COMPONENTS
   ======================================== */

.modal-content {
    border: none;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
}

.modal-header {
    background: linear-gradient(135deg, var(--primary-red), var(--accent-red));
    color: white;
    border: none;
    padding: var(--spacing-xl);
}

.modal-title {
    font-weight: 600;
    margin: 0;
}

.modal-body {
    padding: var(--spacing-xl);
    line-height: 1.7;
}

.modal-footer {
    background: var(--background-light);
    border: none;
    padding: var(--spacing-lg) var(--spacing-xl);
}

.btn-close {
    filter: invert(1);
    opacity: 0.8;
}

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

/* ========================================
   ENHANCED BADGE COMPONENTS
   ======================================== */

.badge {
    padding: 0.5rem 0.75rem;
    border-radius: var(--radius-md);
    font-weight: 500;
    font-size: 0.85rem;
    letter-spacing: 0.5px;
}

.badge.bg-danger {
    background: linear-gradient(135deg, var(--primary-red), var(--accent-red)) !important;
}

.badge.bg-success {
    background: linear-gradient(135deg, #198754, #20c997) !important;
}

.badge.bg-warning {
    background: linear-gradient(135deg, #ffc107, #fd7e14) !important;
}

.badge.bg-info {
    background: linear-gradient(135deg, #0dcaf0, #6f42c1) !important;
}

/* ========================================
   ENHANCED PAGINATION COMPONENTS
   ======================================== */

.pagination {
    margin: var(--spacing-xl) 0;
}

.page-link {
    border: 2px solid var(--border-light);
    color: var(--primary-red);
    padding: 0.75rem 1rem;
    margin: 0 var(--spacing-xs);
    border-radius: var(--radius-sm);
    transition: all var(--transition-normal);
    font-weight: 500;
}

.page-link:hover {
    background: var(--primary-red);
    border-color: var(--primary-red);
    color: white;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.page-item.active .page-link {
    background: linear-gradient(135deg, var(--primary-red), var(--accent-red));
    border-color: var(--primary-red);
    box-shadow: var(--shadow-md);
}

/* ========================================
   ENHANCED DROPDOWN COMPONENTS
   ======================================== */

.dropdown-menu {
    border: none;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    padding: var(--spacing-sm);
    margin-top: var(--spacing-sm);
}

.dropdown-item {
    padding: var(--spacing-md);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    font-weight: 500;
}

.dropdown-item:hover {
    background: rgba(139, 0, 0, 0.1);
    color: var(--primary-red);
    transform: translateX(5px);
}

.dropdown-divider {
    margin: var(--spacing-sm) 0;
    border-color: var(--border-light);
}

/* ========================================
   ENHANCED PROGRESS COMPONENTS
   ======================================== */

.progress {
    height: 1rem;
    border-radius: var(--radius-md);
    background: var(--background-light);
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.progress-bar {
    background: linear-gradient(135deg, var(--primary-red), var(--accent-red));
    border-radius: var(--radius-md);
    transition: width var(--transition-slow);
    position: relative;
    overflow: hidden;
}

.progress-bar::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg,
        transparent 25%,
        rgba(255, 255, 255, 0.1) 25%,
        rgba(255, 255, 255, 0.1) 50%,
        transparent 50%,
        transparent 75%,
        rgba(255, 255, 255, 0.1) 75%);
    background-size: 1rem 1rem;
    animation: progress-stripes 1s linear infinite;
}

@keyframes progress-stripes {
    0% { background-position: 0 0; }
    100% { background-position: 1rem 0; }
}

/* ========================================
   ENHANCED LOADING STATES
   ======================================== */

.loading-spinner {
    display: inline-block;
    width: 1.5rem;
    height: 1.5rem;
    border: 3px solid rgba(139, 0, 0, 0.3);
    border-radius: 50%;
    border-top-color: var(--primary-red);
    animation: spin 1s ease-in-out infinite;
}

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

.btn-loading {
    position: relative;
    color: transparent !important;
}

.btn-loading::after {
    content: '';
    position: absolute;
    width: 1rem;
    height: 1rem;
    top: 50%;
    left: 50%;
    margin-left: -0.5rem;
    margin-top: -0.5rem;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 1s ease-in-out infinite;
}

/* ========================================
   ENHANCED ACCESSIBILITY
   ======================================== */

/* Focus indicators */
*:focus {
    outline: 2px solid var(--accent-gold);
    outline-offset: 2px;
}

.btn:focus,
.form-control:focus,
.form-select:focus {
    outline: none;
    box-shadow: 0 0 0 0.2rem rgba(139, 0, 0, 0.25);
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --border-light: #000000;
        --border-medium: #000000;
        --text-medium: #000000;
    }
}

/* 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;
    }
}