/* ========================================
   UNILAG Cooperative - Dark Maroon & Petrol Blue Theme
   (Matching AGM Flyer Design)
   ======================================== */

/* Color Palette - Dark Theme matching AGM Flyer */
:root {
    /* Primary Colors - Dark Maroon/Burgundy (flyer background: #8c0101) */
    --primary-color: #8c0101;
    --primary-light: #b01010;
    --primary-dark: #6a0000;

    /* Secondary Colors - Warm Dark Grays */
    --secondary-color: #64748b;
    --secondary-light: #94a3b8;
    --secondary-dark: #475569;

    /* Accent Colors - Blue & Gold (from flyer) */
    --accent-blue: #0266ad;
    --accent-blue-light: #0384d4;
    --accent-gold: #ffca0a;
    --accent-gold-dark: #d4a800;
    --accent-petrol: #006382;
    --accent-petrol-light: #0088B0;

    /* Status Colors */
    --success-color: #059669;
    --success-light: #10b981;
    --danger-color: #dc2626;
    --warning-color: #f59e0b;
    --info-color: #0891b2;

    /* Neutral Colors - Dark Theme */
    --gray-50: #1a1020;
    --gray-100: #1e1228;
    --gray-200: #2e1e30;
    --gray-300: #4a3048;
    --gray-400: #8a7088;
    --gray-600: #a898a8;
    --gray-700: #c8c0c8;
    --gray-800: #e0dae0;
    --gray-900: #0d0810;

    /* Shadows - darker for dark backgrounds */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.4);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.5);

    /* Gradients - Maroon primary, Blue accent, Gold highlight */
    --gradient-primary: linear-gradient(135deg, #8c0101 0%, #b01010 100%);
    --gradient-accent: linear-gradient(135deg, #0266ad 0%, #0384d4 100%);
    --gradient-gold: linear-gradient(135deg, #ffca0a 0%, #d4a800 100%);
    --gradient-dark: linear-gradient(135deg, #0d0810 0%, #1a1020 100%);
    --gradient-success: linear-gradient(135deg, #059669 0%, #10b981 100%);

    /* Dark Theme Surfaces */
    --card-bg: #1e1222;
    --card-bg-hover: #2a1830;
    --input-bg: #261828;
    --input-border: #4a3048;
}

/* Typography */
html {
    font-size: 14px;
    scroll-behavior: smooth;
}

@media (min-width: 768px) {
    html {
        font-size: 16px;
    }
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background: var(--gray-50);
    color: var(--gray-800);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

main {
    flex: 1;
    background: var(--gray-50);
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    letter-spacing: -0.025em;
    color: #f0f0f8;
}

.lead {
    font-size: 1.125rem;
    font-weight: 400;
    color: #ffffff;
    line-height: 1.75;
}

/* ========================================
   NAVIGATION
   ======================================== */

.navbar {
    background: var(--gradient-primary) !important;
    box-shadow: var(--shadow-lg);
    padding: 1rem 0;
    border-bottom: 3px solid var(--accent-gold);
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.025em;
    color: white !important;
    transition: all 0.3s ease;
}

.navbar-brand:hover {
    transform: scale(1.05);
    color: var(--accent-gold) !important;
}

.nav-link {
    font-weight: 500;
    color: rgba(255, 255, 255, 0.9) !important;
    transition: all 0.3s ease;
    position: relative;
    padding: 0.5rem 1rem !important;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--accent-gold);
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.nav-link:hover::after {
    width: 80%;
}

.nav-link:hover {
    color: white !important;
}

/* ========================================
   CARDS
   ======================================== */

.card {
    border: none;
    border-radius: 16px;
    background: var(--card-bg);
    box-shadow: var(--shadow-md);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.card:hover::before {
    transform: scaleX(1);
}

.card-header {
    border-bottom: none;
    font-weight: 600;
    padding: 1.5rem;
    background: var(--gradient-primary);
}

.card-body {
    padding: 2rem;
}

.hover-lift {
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.hover-lift:hover {
    transform: translateY(-12px);
    box-shadow: var(--shadow-2xl);
}

/* ========================================
   BUTTONS
   ======================================== */

.btn {
    border-radius: 10px;
    padding: 0.75rem 2rem;
    font-weight: 600;
    font-size: 0.95rem;
    letter-spacing: 0.025em;
    transition: all 0.3s ease;
    border: none;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 0;
    height: 100%;
    background: rgba(255, 255, 255, 0.2);
    transition: width 0.3s ease;
    z-index: -1;
}

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

.btn:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl);
}

.btn:active {
    transform: translateY(-1px);
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #6a0000 0%, #8c0101 100%);
}

.btn-success {
    background: var(--gradient-success);
    color: white;
}

.btn-lg {
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
    border-radius: 12px;
}

.btn-outline-primary {
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    background: transparent;
}

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

.btn-outline-secondary {
    border: 2px solid var(--gray-300);
    color: var(--gray-700);
    background: transparent;
}

.btn-outline-secondary:hover {
    background: var(--gray-200);
    color: var(--gray-800);
    border-color: var(--gray-300);
}

/* ========================================
   FORMS
   ======================================== */

.form-control, .form-select {
    border-radius: 10px;
    border: 2px solid var(--input-border);
    padding: 0.875rem 1.25rem;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    background: var(--input-bg);
    color: var(--gray-800);
}

.form-control:focus, .form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(140, 1, 1, 0.25);
    outline: none;
    background: var(--input-bg);
    color: var(--gray-800);
}

.form-control::placeholder {
    color: var(--gray-400);
}

.form-label {
    font-weight: 600;
    color: #ffffff;
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
}

.form-check-input {
    background-color: var(--input-bg);
    border-color: var(--input-border);
}

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

.form-check-label {
    color: #ffffff;
}

/* ========================================
   ALERTS
   ======================================== */

.alert {
    border-radius: 12px;
    border: none;
    border-left: 4px solid;
    padding: 1.25rem 1.5rem;
    box-shadow: var(--shadow-md);
    backdrop-filter: blur(10px);
}

.alert-success {
    background: linear-gradient(135deg, rgba(5, 150, 105, 0.2) 0%, rgba(16, 185, 129, 0.1) 100%);
    border-left-color: var(--success-color);
    color: var(--success-light);
}

.alert-danger {
    background: linear-gradient(135deg, rgba(220, 38, 38, 0.2) 0%, rgba(239, 68, 68, 0.1) 100%);
    border-left-color: var(--danger-color);
    color: #f87171;
}

.alert-warning {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.2) 0%, rgba(251, 191, 36, 0.1) 100%);
    border-left-color: var(--warning-color);
    color: #fbbf24;
}

.alert-info {
    background: linear-gradient(135deg, rgba(2, 102, 173, 0.2) 0%, rgba(3, 132, 212, 0.1) 100%);
    border-left-color: var(--accent-blue);
    color: var(--accent-blue-light);
}

/* ========================================
   BADGES
   ======================================== */

.badge {
    padding: 0.5rem 1rem;
    border-radius: 24px;
    font-weight: 600;
    font-size: 0.85rem;
    letter-spacing: 0.025em;
    text-transform: uppercase;
}

.bg-primary {
    background: var(--gradient-primary) !important;
}

.bg-success {
    background: var(--gradient-success) !important;
}

.bg-warning {
    background: var(--gradient-gold) !important;
}

/* ========================================
   HERO SECTION
   ======================================== */

.hero-section {
    position: relative;
    overflow: hidden;
    background: var(--gradient-primary);
    min-height: 600px;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(2, 102, 173, 0.2) 0%, transparent 50%);
    animation: pulse 8s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.8; }
}

.hero-section .container {
    position: relative;
    z-index: 1;
}

/* ========================================
   FEATURE ICONS
   ======================================== */

.feature-icon {
    width: 90px;
    height: 90px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 20px;
    background: var(--gradient-primary);
    box-shadow: var(--shadow-lg);
    transition: all 0.4s ease;
    position: relative;
}

.feature-icon::after {
    content: '';
    position: absolute;
    inset: -4px;
    border-radius: 22px;
    background: var(--gradient-accent);
    z-index: -1;
    opacity: 0;
    transition: opacity 0.4s ease;
}

.card:hover .feature-icon {
    transform: scale(1.15) rotate(5deg);
}

.card:hover .feature-icon::after {
    opacity: 1;
}

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

.spinner-border {
    width: 3rem;
    height: 3rem;
    border-width: 0.3rem;
    border-color: var(--primary-color);
    border-right-color: transparent;
}

/* ========================================
   TABLES
   ======================================== */

.table {
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    color: var(--gray-800);
    --bs-table-bg: transparent;
    --bs-table-color: var(--gray-800);
    --bs-table-border-color: var(--gray-200);
    --bs-table-striped-bg: var(--card-bg-hover);
    --bs-table-hover-bg: var(--card-bg-hover);
    --bs-table-hover-color: var(--gray-800);
}

.table thead {
    background: var(--gradient-primary);
    color: white;
}

.table thead th {
    border: none;
    padding: 1.25rem 1rem;
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 0.05em;
}

.table tbody tr {
    transition: all 0.3s ease;
    border-bottom: 1px solid var(--gray-200);
}

.table tbody tr:hover {
    background: var(--card-bg-hover);
    transform: scale(1.01);
}

.table tbody td {
    padding: 1.25rem 1rem;
    vertical-align: middle;
    border-color: var(--gray-200);
}

/* ========================================
   MODALS
   ======================================== */

.modal-content {
    border-radius: 20px;
    border: none;
    box-shadow: var(--shadow-2xl);
    overflow: hidden;
    background: var(--card-bg);
    color: var(--gray-800);
}

.modal-header {
    border-bottom: none;
    border-radius: 20px 20px 0 0;
    padding: 2rem;
    background: var(--gradient-primary);
    color: white;
}

.modal-header .btn-close {
    filter: brightness(0) invert(1);
}

.modal-body {
    padding: 2rem;
}

.modal-footer {
    border-top: 1px solid var(--gray-200);
    padding: 1.5rem 2rem;
    background: var(--gray-100);
}

/* ========================================
   LIST GROUPS
   ======================================== */

.list-group-item {
    border-left: none;
    border-right: none;
    border-color: var(--gray-200);
    background: var(--card-bg);
    color: var(--gray-800);
    transition: all 0.3s ease;
    padding: 1.25rem 1.5rem;
}

.list-group-item:first-child {
    border-top-left-radius: 12px;
    border-top-right-radius: 12px;
}

.list-group-item:last-child {
    border-bottom-left-radius: 12px;
    border-bottom-right-radius: 12px;
}

.list-group-item:hover {
    background: var(--card-bg-hover);
    padding-left: 2rem;
    border-left: 4px solid var(--accent-blue);
}

.list-group-item-action {
    color: #ffffff;
    font-weight: 500;
}

.list-group-item-action:hover {
    color: var(--accent-blue-light);
}

/* ========================================
   FOOTER
   ======================================== */

footer {
    background: var(--gray-900);
    color: #ffffff;
    margin-top: 4rem;
}

footer h5 {
    color: white;
    font-weight: 700;
    margin-bottom: 1.5rem;
    position: relative;
    padding-bottom: 0.5rem;
}

footer h5::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50px;
    height: 3px;
    background: var(--accent-gold);
}

footer a {
    text-decoration: none;
    color: #ffffff;
    transition: all 0.3s ease;
    display: inline-block;
}

footer a:hover {
    color: var(--accent-gold);
    transform: translateX(5px);
}

footer hr {
    border-color: var(--gray-200);
    margin: 2rem 0;
}

/* ========================================
   RESPONSIVE DESIGN
   ======================================== */

@media (max-width: 768px) {
    .display-4 {
        font-size: 2rem !important;
    }

    .display-5 {
        font-size: 1.75rem !important;
    }

    .display-6 {
        font-size: 1.5rem !important;
    }

    .hero-section {
        min-height: 400px;
    }

    .btn-lg {
        padding: 0.875rem 2rem;
        font-size: 1rem;
    }

    .card-body {
        padding: 1.5rem;
    }

    footer h5::after {
        width: 40px;
    }
}

/* ========================================
   CUSTOM SCROLLBAR
   ======================================== */

::-webkit-scrollbar {
    width: 12px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--gradient-primary);
    border-radius: 6px;
    border: 2px solid var(--gray-100);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-dark);
}

/* ========================================
   ANIMATIONS
   ======================================== */

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

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.fade-in {
    animation: fadeIn 0.6s ease-out;
}

.slide-in-left {
    animation: slideInLeft 0.6s ease-out;
}

.slide-in-right {
    animation: slideInRight 0.6s ease-out;
}

.scale-in {
    animation: scaleIn 0.5s ease-out;
}

/* Stagger animation delays */
.card:nth-child(1) { animation-delay: 0.1s; }
.card:nth-child(2) { animation-delay: 0.2s; }
.card:nth-child(3) { animation-delay: 0.3s; }
.card:nth-child(4) { animation-delay: 0.4s; }

/* ========================================
   STATUS BADGES
   ======================================== */

.status-pending {
    background: var(--gradient-gold);
    color: #1a1020;
    box-shadow: var(--shadow-md);
}

.status-approved {
    background: var(--gradient-success);
    color: white;
    box-shadow: var(--shadow-md);
}

.status-rejected {
    background: linear-gradient(135deg, #dc2626 0%, #ef4444 100%);
    color: white;
    box-shadow: var(--shadow-md);
}

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

.text-gradient {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.bg-gradient {
    background: var(--gradient-primary);
}

.glass-effect {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.section-title {
    position: relative;
    display: inline-block;
    padding-bottom: 1rem;
    margin-bottom: 2rem;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 4px;
    background: var(--accent-gold);
    border-radius: 2px;
}

/* ========================================
   SPECIAL COMPONENTS
   ======================================== */

.stat-card {
    background: var(--card-bg);
    border-radius: 16px;
    padding: 2rem;
    box-shadow: var(--shadow-lg);
    border-left: 4px solid var(--primary-color);
    transition: all 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-2xl);
    border-left-width: 6px;
}

.stat-card .stat-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    background: var(--gradient-primary);
    color: white;
    margin-bottom: 1rem;
}

.stat-card .stat-value {
    font-size: 2.5rem;
    font-weight: 700;
    color: #f0f0f8;
    margin: 0.5rem 0;
}

.stat-card .stat-label {
    color: #ffffff;
    font-weight: 500;
    text-transform: uppercase;
    font-size: 0.875rem;
    letter-spacing: 0.05em;
}

/* Progress Bar */
.progress {
    height: 12px;
    border-radius: 10px;
    background: var(--gray-200);
    overflow: hidden;
}

.progress-bar {
    background: var(--gradient-primary);
    transition: width 0.6s ease;
}

/* Divider */
.divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--gray-300), transparent);
    margin: 3rem 0;
}

/* Highlight Box */
.highlight-box {
    background: linear-gradient(135deg, rgba(140, 1, 1, 0.15) 0%, rgba(176, 16, 16, 0.08) 100%);
    border-left: 4px solid var(--primary-color);
    border-radius: 12px;
    padding: 1.5rem 2rem;
    margin: 2rem 0;
}

.highlight-box h5 {
    color: var(--primary-light);
    margin-bottom: 0.75rem;
}

/* Document Icon Styles */
.document-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    background: var(--gray-200);
    color: var(--accent-blue);
    transition: all 0.3s ease;
}

.document-icon:hover {
    background: var(--accent-blue);
    color: white;
    transform: scale(1.1);
}

/* ========================================
   DARK THEME BOOTSTRAP OVERRIDES
   ======================================== */

/* Override bg-light for dark context */
.bg-light {
    background-color: var(--gray-100) !important;
}

/* Override text-muted for readability */
.text-muted {
    color: #ffffff !important;
}

/* Override bg-white */
.bg-white {
    background-color: var(--card-bg) !important;
}

/* Override text-dark */
.text-dark {
    color: var(--gray-800) !important;
}

/* Override text-primary */
.text-primary {
    color: var(--accent-blue-light) !important;
}

/* Override border-primary */
.border-primary {
    border-color: var(--primary-color) !important;
}

/* Dropdown menus */
.dropdown-menu {
    background-color: var(--card-bg);
    border: 1px solid var(--gray-200);
}

.dropdown-item {
    color: var(--gray-800);
}

.dropdown-item:hover, .dropdown-item:focus {
    background-color: var(--card-bg-hover);
    color: #ffffff;
}

.dropdown-divider {
    border-color: var(--gray-200);
}

/* Card footer override */
.card-footer {
    background-color: var(--gray-100);
    border-top: 1px solid var(--gray-200);
    color: #ffffff;
}

/* Table hover rows */
.table-hover tbody tr:hover {
    background-color: var(--card-bg-hover);
    color: var(--gray-800);
}

/* Dark overrides for Bootstrap contextual table rows */
.table-danger,
.table-danger > td,
.table-danger > th {
    background-color: rgba(220, 38, 38, 0.2) !important;
    color: #f87171 !important;
}

.table-warning,
.table-warning > td,
.table-warning > th {
    background-color: rgba(245, 158, 11, 0.2) !important;
    color: #fbbf24 !important;
}

.table-success,
.table-success > td,
.table-success > th {
    background-color: rgba(5, 150, 105, 0.2) !important;
    color: #34d399 !important;
}

.table-info,
.table-info > td,
.table-info > th {
    background-color: rgba(2, 102, 173, 0.2) !important;
    color: var(--accent-blue-light) !important;
}

.table-light,
.table-light > td,
.table-light > th {
    background-color: var(--gray-100) !important;
    color: var(--gray-800) !important;
}

.table-active,
.table-active > td,
.table-active > th {
    background-color: var(--card-bg-hover) !important;
    color: var(--gray-800) !important;
}

/* Dark overrides for card headers with light backgrounds */
.card-header.bg-white,
.card-header.bg-light {
    background-color: var(--card-bg) !important;
    color: var(--gray-800) !important;
    border-bottom: 1px solid var(--gray-200);
}

/* Ensure progress bar text is always readable */
.progress {
    background-color: var(--gray-200);
}

.progress-bar {
    color: #fff;
}

/* HR in dark */
hr {
    border-color: var(--gray-200);
    opacity: 0.5;
}

/* Accordion dark support */
.accordion-item {
    background-color: var(--card-bg);
    border-color: var(--gray-200);
}

.accordion-button {
    background-color: var(--card-bg);
    color: var(--gray-800);
}

.accordion-button:not(.collapsed) {
    background-color: var(--card-bg-hover);
    color: var(--accent-blue-light);
}

/* Pagination dark */
.page-link {
    background-color: var(--card-bg);
    border-color: var(--gray-200);
    color: #ffffff;
}

.page-link:hover {
    background-color: var(--card-bg-hover);
    border-color: var(--gray-300);
    color: var(--accent-blue-light);
}

.page-item.active .page-link {
    background: var(--gradient-primary);
    border-color: var(--primary-color);
}

/* Nav tabs dark */
.nav-tabs {
    border-bottom-color: var(--gray-200);
}

.nav-tabs .nav-link {
    color: #ffffff !important;
}

.nav-tabs .nav-link.active {
    background-color: var(--card-bg) !important;
    border-color: var(--gray-200) var(--gray-200) var(--card-bg) !important;
    color: var(--accent-blue-light) !important;
}

/* Print Styles */
@media print {
    .navbar, footer, .btn, .alert {
        display: none !important;
    }

    body {
        background: white !important;
        color: black !important;
    }

    .card {
        box-shadow: none !important;
        border: 1px solid #ccc !important;
        background: white !important;
        color: black !important;
    }

    h1, h2, h3, h4, h5, h6 {
        color: black !important;
    }

    .table {
        color: black !important;
    }

    .table thead {
        background: #333 !important;
    }
}