/* Custom styles for LMS Platform */

:root {
    /* ACR Services Logo Color Palette - Applied to All Pages */
    --primary-color: #1a1a2e;       /* Dark Blue (almost black) - from logo outline */
    --secondary-color: #32CD32;     /* Bright Lime Green - from logo accent */
    --accent-light: #90EE90;        /* Lighter lime green for hover states */
    --accent-dark: #1a1a2e;         /* Dark Blue */
    --accent-brown: #228B22;         /* Darker lime green for active states */
    --background-dark: #1a1a2e;      /* Dark Blue */
    --text-light: #FFFFFF;           /* White */
    
    /* ACR Logo Color Variables (for consistency) */
    --acr-dark-blue: #1a1a2e;       /* Dark Blue (almost black) - from logo outline */
    --acr-lime-green: #32CD32;     /* Bright Lime Green - from logo accent */
    --acr-lime-green-light: #90EE90; /* Lighter lime green for hover states */
    --acr-lime-green-dark: #228B22;  /* Darker lime green for active states */
    --acr-white: #FFFFFF;           /* White - from logo fills */
    
    /* Bootstrap compatible colors */
    --success-color: #32CD32;       /* Lime green */
    --info-color: #1a1a2e;         /* Dark blue */
    --warning-color: #32CD32;      /* Lime green (replacing yellow) */
    --danger-color: #dc3545;
    --light-color: #f8f9fa;
    --dark-color: #1a1a2e;         /* Dark blue */
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
}

.navbar-brand {
    font-weight: bold;
    color: var(--text-light) !important;
    padding: 0.5rem 0;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
}

.navbar-brand:hover {
    transform: scale(1.02);
    opacity: 0.9;
}

.navbar-brand img {
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.2));
    transition: all 0.3s ease;
    height: 80px;
    width: auto;
}

.navbar-brand:hover img {
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.3));
}

.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background-color: var(--secondary-color);
    border-color: var(--secondary-color);
    transform: translateY(-1px);
}

.course-card {
    transition: all 0.3s ease;
    border: none;
    box-shadow: 0 2px 15px rgba(0,0,0,0.1);
    border-radius: 10px;
    overflow: hidden;
}

.course-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

.course-card img {
    transition: transform 0.3s ease;
}

.course-card:hover img {
    transform: scale(1.05);
}

.hero-section {
    background: linear-gradient(135deg, var(--acr-dark-blue) 0%, #2d2d44 50%, var(--acr-lime-green) 100%);
    color: var(--text-light);
    padding: 100px 0;
    position: relative;
    overflow: hidden;
}

.hero-section::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 1000 100" fill="rgba(255,255,255,0.1)"><polygon points="1000,100 1000,0 0,100"/></svg>') no-repeat;
    background-size: cover;
}

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

.footer {
    background: linear-gradient(135deg, var(--acr-dark-blue) 0%, #2d2d44 100%);
    color: var(--text-light);
    padding: 60px 0 30px;
    margin-top: 80px;
}

.footer a {
    color: var(--accent-light);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer a:hover {
    color: var(--text-light);
}

.social-links a {
    display: inline-block;
    width: 40px;
    height: 40px;
    line-height: 40px;
    text-align: center;
    border-radius: 50%;
    background: rgba(245, 245, 220, 0.1);
    transition: all 0.3s ease;
}

.social-links a:hover {
    background: var(--acr-lime-green);
    transform: translateY(-2px);
}

.card {
    border-radius: 10px;
    border: none;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}

.card:hover {
    box-shadow: 0 5px 20px rgba(0,0,0,0.15);
}

.badge {
    font-size: 0.75em;
    padding: 0.5em 0.75em;
    border-radius: 20px;
}

.progress {
    height: 8px;
    border-radius: 10px;
    background-color: #e9ecef;
}

.progress-bar {
    background: linear-gradient(90deg, var(--acr-dark-blue), var(--acr-lime-green));
    border-radius: 10px;
}

.list-group-item {
    border: none;
    border-bottom: 1px solid #e9ecef;
    padding: 1rem;
    transition: background-color 0.3s ease;
}

.list-group-item:hover {
    background-color: #f8f9fa;
}

.modal-content {
    border-radius: 15px;
    border: none;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}

.modal-header {
    border-bottom: 1px solid #e9ecef;
    border-radius: 15px 15px 0 0;
}

.form-control, .form-select {
    border-radius: 8px;
    border: 1px solid #ddd;
    padding: 0.75rem;
    transition: all 0.3s ease;
}

.form-control:focus, .form-select:focus {
    border-color: var(--acr-lime-green);
    box-shadow: 0 0 0 0.2rem rgba(50, 205, 50, 0.25);
}

.alert {
    border-radius: 10px;
    border: none;
    padding: 1rem 1.5rem;
}

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

.bg-primary {
    background-color: var(--acr-dark-blue) !important;
}

.border-primary {
    border-color: var(--acr-dark-blue) !important;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

/* Responsive adjustments */
@media (max-width: 768px) {
    .hero-section {
        padding: 60px 0;
    }
    
    .hero-section h1 {
        font-size: 2.5rem;
    }
    
    .course-card:hover {
        transform: none;
    }
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: var(--acr-dark-blue);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--acr-lime-green);
}

/* Student Progress Table Styles */
.avatar-sm {
    width: 40px;
    height: 40px;
    font-size: 14px;
    font-weight: bold;
}

.table-hover tbody tr:hover {
    background-color: rgba(50, 205, 50, 0.05);
}

.progress {
    height: 6px;
    border-radius: 3px;
}

.progress-bar.bg-success {
    background: linear-gradient(90deg, var(--acr-lime-green), var(--acr-lime-green-light)) !important;
}

.progress-bar.bg-warning {
    background: linear-gradient(90deg, #ffc107, #fd7e14) !important;
}

.progress-bar.bg-danger {
    background: linear-gradient(90deg, #dc3545, #e83e8c) !important;
}

.badge {
    font-size: 0.7em;
    padding: 0.4em 0.6em;
    border-radius: 12px;
}

.badge.bg-success {
    background: linear-gradient(45deg, var(--acr-lime-green), var(--acr-lime-green-light)) !important;
}

.badge.bg-danger {
    background: linear-gradient(45deg, #dc3545, #e83e8c) !important;
}

.badge.bg-warning {
    background: linear-gradient(45deg, #ffc107, #fd7e14) !important;
    color: #000 !important;
}

.badge.bg-info {
    background: linear-gradient(45deg, var(--acr-dark-blue), #2d2d44) !important;
}

.badge.bg-secondary {
    background: linear-gradient(45deg, #6c757d, #495057) !important;
}

/* Responsive table adjustments */
@media (max-width: 768px) {
    .table-responsive {
        font-size: 0.875rem;
    }
    
    .avatar-sm {
        width: 30px;
        height: 30px;
        font-size: 12px;
    }
    
    .progress {
        width: 80px !important;
    }
}

/* Search functionality styles */
#studentSearch {
    border-radius: 8px 0 0 8px;
}

#clearSearch {
    border-radius: 0 8px 8px 0;
    display: none;
}

.input-group-text {
    background-color: #f8f9fa;
    border-color: #ddd;
}

#studentSearch:focus {
    border-color: var(--acr-lime-green);
    box-shadow: 0 0 0 0.2rem rgba(50, 205, 50, 0.25);
}

.student-row {
    transition: opacity 0.3s ease;
}

.student-row[style*="display: none"] {
    opacity: 0;
}

/* Search results counter */
#visibleCount {
    font-size: 0.9em;
    padding: 0.3em 0.6em;
}

/* Bootstrap Component Overrides for ACR Theme */

/* Primary Buttons */
.btn-primary, .btn-primary:focus {
    background-color: var(--acr-dark-blue) !important;
    border-color: var(--acr-dark-blue) !important;
    color: var(--acr-white) !important;
}

.btn-primary:hover, .btn-primary:active {
    background-color: var(--acr-lime-green) !important;
    border-color: var(--acr-lime-green) !important;
    color: var(--acr-dark-blue) !important;
}

/* Success Buttons (Start Learning, etc.) */
.btn-success, .btn-success:focus {
    background-color: var(--acr-lime-green) !important;
    border-color: var(--acr-lime-green) !important;
    color: var(--acr-dark-blue) !important;
    font-weight: 600;
}

.btn-success:hover, .btn-success:active {
    background-color: var(--acr-lime-green-light) !important;
    border-color: var(--acr-lime-green-light) !important;
    color: var(--acr-dark-blue) !important;
}

/* Info Buttons (Results, etc.) */
.btn-info, .btn-info:focus {
    background-color: var(--acr-dark-blue) !important;
    border-color: var(--acr-dark-blue) !important;
    color: var(--acr-white) !important;
}

.btn-info:hover, .btn-info:active {
    background-color: var(--acr-lime-green) !important;
    border-color: var(--acr-lime-green) !important;
    color: var(--acr-dark-blue) !important;
}

/* Warning Buttons */
.btn-warning, .btn-warning:focus {
    background-color: var(--acr-lime-green) !important;
    border-color: var(--acr-lime-green) !important;
    color: var(--acr-dark-blue) !important;
    font-weight: 600;
}

.btn-warning:hover, .btn-warning:active {
    background-color: var(--acr-lime-green-light) !important;
    border-color: var(--acr-lime-green-light) !important;
    color: var(--acr-dark-blue) !important;
}

/* Badges */
.badge.bg-primary {
    background-color: var(--acr-dark-blue) !important;
    color: var(--acr-white) !important;
}

.badge.bg-success {
    background-color: var(--acr-lime-green) !important;
    color: var(--acr-dark-blue) !important;
    font-weight: 600;
}

.badge.bg-warning {
    background-color: var(--acr-lime-green) !important;
    color: var(--acr-dark-blue) !important;
    font-weight: 600;
}

.badge.bg-info {
    background-color: var(--acr-dark-blue) !important;
    color: var(--acr-white) !important;
}

/* Progress Bars */
.progress-bar.bg-success {
    background: linear-gradient(90deg, var(--acr-lime-green), var(--acr-lime-green-light)) !important;
}

.progress-bar.bg-warning {
    background: linear-gradient(90deg, var(--acr-lime-green), var(--acr-lime-green-light)) !important;
}

.progress-bar.bg-info {
    background: linear-gradient(90deg, var(--acr-dark-blue), #2d2d44) !important;
}

/* Alert Components */
.alert-success {
    background-color: rgba(50, 205, 50, 0.1) !important;
    border-color: var(--acr-lime-green) !important;
    color: var(--acr-dark-blue) !important;
}

.alert-info {
    background-color: rgba(26, 26, 46, 0.1) !important;
    border-color: var(--acr-dark-blue) !important;
    color: var(--acr-dark-blue) !important;
}

.alert-warning {
    background-color: rgba(50, 205, 50, 0.1) !important;
    border-color: var(--acr-lime-green) !important;
    color: var(--acr-dark-blue) !important;
}

/* Card Headers */
.card-header.bg-primary {
    background-color: var(--acr-dark-blue) !important;
    color: var(--acr-white) !important;
}

.card-header.bg-success {
    background-color: var(--acr-lime-green) !important;
    color: var(--acr-dark-blue) !important;
}

.card-header.bg-warning {
    background-color: var(--acr-lime-green) !important;
    color: var(--acr-dark-blue) !important;
}

.card-header.bg-info {
    background-color: var(--acr-dark-blue) !important;
    color: var(--acr-white) !important;
}

/* Links */
a {
    color: var(--acr-dark-blue);
}

a:hover {
    color: var(--acr-lime-green);
}

/* Text Colors */
.text-primary {
    color: var(--acr-dark-blue) !important;
}

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

.text-info {
    color: var(--acr-dark-blue) !important;
}

.text-warning {
    color: var(--acr-lime-green) !important;
}

/* Background Colors */
.bg-primary {
    background-color: var(--acr-dark-blue) !important;
    color: var(--acr-white) !important;
}

.bg-success {
    background-color: var(--acr-lime-green) !important;
    color: var(--acr-dark-blue) !important;
}

.bg-warning {
    background-color: var(--acr-lime-green) !important;
    color: var(--acr-dark-blue) !important;
}

.bg-info {
    background-color: var(--acr-dark-blue) !important;
    color: var(--acr-white) !important;
}

/* Border Colors */
.border-primary {
    border-color: var(--acr-dark-blue) !important;
}

.border-success {
    border-color: var(--acr-lime-green) !important;
}

.border-warning {
    border-color: var(--acr-lime-green) !important;
}

.border-info {
    border-color: var(--acr-dark-blue) !important;
}

/* Navbar Links */
.navbar-nav .nav-link {
    color: var(--text-light) !important;
}

.navbar-nav .nav-link:hover {
    color: var(--accent-light) !important;
}

.navbar-nav .dropdown-menu {
    background-color: var(--background-dark);
    border-color: var(--accent-dark);
}

.navbar-nav .dropdown-item {
    color: var(--text-light);
}

.navbar-nav .dropdown-item:hover {
    background-color: var(--accent-dark);
    color: var(--text-light);
}

/* ============================================
   ACR Services Logo Theme for Instructor/Admin Pages
   ============================================ */

/* Instructor/Admin Dashboard Specific Styles */
.instructor-dashboard,
.admin-dashboard {
    /* Override primary colors for instructor/admin pages */
}

/* Dark Blue Primary for Instructor/Admin */
.instructor-dashboard .btn-primary,
.admin-dashboard .btn-primary {
    background-color: var(--acr-dark-blue) !important;
    border-color: var(--acr-dark-blue) !important;
    color: var(--acr-white) !important;
}

.instructor-dashboard .btn-primary:hover,
.admin-dashboard .btn-primary:hover {
    background-color: var(--acr-lime-green) !important;
    border-color: var(--acr-lime-green) !important;
    color: var(--acr-dark-blue) !important;
}

/* Lime Green Success/Accent for Instructor/Admin */
.instructor-dashboard .btn-success,
.admin-dashboard .btn-success {
    background-color: var(--acr-lime-green) !important;
    border-color: var(--acr-lime-green) !important;
    color: var(--acr-dark-blue) !important;
    font-weight: 600;
}

.instructor-dashboard .btn-success:hover,
.admin-dashboard .btn-success:hover {
    background-color: var(--acr-lime-green-light) !important;
    border-color: var(--acr-lime-green-light) !important;
    color: var(--acr-dark-blue) !important;
}

/* Dark Blue Info for Instructor/Admin */
.instructor-dashboard .btn-info,
.admin-dashboard .btn-info {
    background-color: var(--acr-dark-blue) !important;
    border-color: var(--acr-dark-blue) !important;
    color: var(--acr-white) !important;
}

.instructor-dashboard .btn-info:hover,
.admin-dashboard .btn-info:hover {
    background-color: var(--acr-lime-green) !important;
    border-color: var(--acr-lime-green) !important;
    color: var(--acr-dark-blue) !important;
}

/* Card Headers - Dark Blue Background */
.instructor-dashboard .card-header.bg-primary,
.admin-dashboard .card-header.bg-primary {
    background-color: var(--acr-dark-blue) !important;
    color: var(--acr-white) !important;
}

.instructor-dashboard .card-header.bg-success,
.admin-dashboard .card-header.bg-success {
    background-color: var(--acr-lime-green) !important;
    color: var(--acr-dark-blue) !important;
}

/* Stats Cards - Dark Blue and Lime Green */
.instructor-dashboard .card.bg-primary,
.admin-dashboard .card.bg-primary {
    background: linear-gradient(135deg, var(--acr-dark-blue) 0%, #2d2d44 100%) !important;
    color: var(--acr-white) !important;
    border: none;
}

.instructor-dashboard .card.bg-success,
.admin-dashboard .card.bg-success {
    background: linear-gradient(135deg, var(--acr-lime-green) 0%, var(--acr-lime-green-light) 100%) !important;
    color: var(--acr-dark-blue) !important;
    border: none;
    font-weight: 600;
}

.instructor-dashboard .card.bg-info,
.admin-dashboard .card.bg-info {
    background: linear-gradient(135deg, var(--acr-dark-blue) 0%, #2d2d44 100%) !important;
    color: var(--acr-white) !important;
    border: none;
}

/* Text Colors */
.instructor-dashboard .text-primary,
.admin-dashboard .text-primary {
    color: var(--acr-dark-blue) !important;
}

.instructor-dashboard .text-success,
.admin-dashboard .text-success {
    color: var(--acr-lime-green) !important;
}

/* Badges */
.instructor-dashboard .badge.bg-primary,
.admin-dashboard .badge.bg-primary {
    background-color: var(--acr-dark-blue) !important;
    color: var(--acr-white) !important;
}

.instructor-dashboard .badge.bg-success,
.admin-dashboard .badge.bg-success {
    background-color: var(--acr-lime-green) !important;
    color: var(--acr-dark-blue) !important;
    font-weight: 600;
}

/* Links */
.instructor-dashboard a,
.admin-dashboard a {
    color: var(--acr-dark-blue);
}

.instructor-dashboard a:hover,
.admin-dashboard a:hover {
    color: var(--acr-lime-green);
}

/* Outlined Buttons */
.instructor-dashboard .btn-outline-primary,
.admin-dashboard .btn-outline-primary {
    border-color: var(--acr-dark-blue) !important;
    color: var(--acr-dark-blue) !important;
}

.instructor-dashboard .btn-outline-primary:hover,
.admin-dashboard .btn-outline-primary:hover {
    background-color: var(--acr-dark-blue) !important;
    color: var(--acr-white) !important;
}

.instructor-dashboard .btn-outline-success,
.admin-dashboard .btn-outline-success {
    border-color: var(--acr-lime-green) !important;
    color: var(--acr-lime-green) !important;
}

.instructor-dashboard .btn-outline-success:hover,
.admin-dashboard .btn-outline-success:hover {
    background-color: var(--acr-lime-green) !important;
    color: var(--acr-dark-blue) !important;
}

/* Progress Bars */
.instructor-dashboard .progress-bar.bg-success,
.admin-dashboard .progress-bar.bg-success {
    background: linear-gradient(90deg, var(--acr-lime-green), var(--acr-lime-green-light)) !important;
}

/* Alerts */
.instructor-dashboard .alert-success,
.admin-dashboard .alert-success {
    background-color: rgba(50, 205, 50, 0.1) !important;
    border-color: var(--acr-lime-green) !important;
    color: var(--acr-dark-blue) !important;
}

.instructor-dashboard .alert-info,
.admin-dashboard .alert-info {
    background-color: rgba(26, 26, 46, 0.1) !important;
    border-color: var(--acr-dark-blue) !important;
    color: var(--acr-dark-blue) !important;
}

/* Warning/Yellow colors changed to Lime Green for Instructor/Admin */
.instructor-dashboard .card.bg-warning,
.admin-dashboard .card.bg-warning {
    background: linear-gradient(135deg, var(--acr-lime-green) 0%, var(--acr-lime-green-light) 100%) !important;
    color: var(--acr-dark-blue) !important;
    border: none;
    font-weight: 600;
}

.instructor-dashboard .btn-warning,
.admin-dashboard .btn-warning {
    background-color: var(--acr-lime-green) !important;
    border-color: var(--acr-lime-green) !important;
    color: var(--acr-dark-blue) !important;
    font-weight: 600;
}

.instructor-dashboard .btn-warning:hover,
.admin-dashboard .btn-warning:hover {
    background-color: var(--acr-lime-green-light) !important;
    border-color: var(--acr-lime-green-light) !important;
    color: var(--acr-dark-blue) !important;
}

.instructor-dashboard .btn-outline-warning,
.admin-dashboard .btn-outline-warning {
    border-color: var(--acr-lime-green) !important;
    color: var(--acr-lime-green) !important;
}

.instructor-dashboard .btn-outline-warning:hover,
.admin-dashboard .btn-outline-warning:hover {
    background-color: var(--acr-lime-green) !important;
    color: var(--acr-dark-blue) !important;
}

.instructor-dashboard .badge.bg-warning,
.admin-dashboard .badge.bg-warning {
    background-color: var(--acr-lime-green) !important;
    color: var(--acr-dark-blue) !important;
    font-weight: 600;
}

.instructor-dashboard .progress-bar.bg-warning,
.admin-dashboard .progress-bar.bg-warning {
    background: linear-gradient(90deg, var(--acr-lime-green), var(--acr-lime-green-light)) !important;
}

.instructor-dashboard .alert-warning,
.admin-dashboard .alert-warning {
    background-color: rgba(50, 205, 50, 0.1) !important;
    border-color: var(--acr-lime-green) !important;
    color: var(--acr-dark-blue) !important;
}

.instructor-dashboard .text-warning,
.admin-dashboard .text-warning {
    color: var(--acr-lime-green) !important;
}