/* IML Travel LMS - Main CSS */

:root {
    --primary-color: #667eea;
    --secondary-color: #764ba2;
    --success-color: #28a745;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --info-color: #17a2b8;
    --light-color: #f8f9fa;
    --dark-color: #343a40;
    --border-radius: 8px;
    --box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

/* Global Styles */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
}

/* Navigation */
.navbar {
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.bg-gradient-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%) !important;
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.5rem;
    text-decoration: none;
    transition: all 0.3s ease;
    padding: 0.5rem 0;
}

.navbar-brand:hover {
    transform: translateY(-1px);
}

.logo-container {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    margin-right: 1rem;
    transition: all 0.3s ease;
}

.logo-container:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: scale(1.05);
}

/* Navbar Logo */
.navbar-logo {
    max-width: 50px;
    max-height: 50px;
    width: auto;
    height: auto;
    border-radius: 8px;
    transition: all 0.3s ease;
    object-fit: contain;
    display: block;
}

.brand-text {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.brand-name {
    font-size: 1.2rem;
    font-weight: 700;
    color: white;
}

.brand-subtitle {
    font-size: 0.75rem;
    font-weight: 400;
    color: rgba(255, 255, 255, 0.8);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Navigation Links */
.nav-link-hover {
    position: relative;
    transition: all 0.3s ease;
    border-radius: 6px;
    margin: 0 2px;
}

.nav-link-hover:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-1px);
}

.nav-link-hover::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: rgba(255, 255, 255, 0.8);
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

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

/* User Dropdown */
.user-dropdown {
    display: flex;
    align-items: center;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.user-dropdown:hover {
    background: rgba(255, 255, 255, 0.1);
}

.user-avatar {
    width: 35px;
    height: 35px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    margin-right: 0.75rem;
    font-size: 1.2rem;
}

.user-info {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.user-name {
    font-weight: 600;
    font-size: 0.9rem;
    color: white;
}

.user-role {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.7);
    text-transform: capitalize;
}

.user-dropdown-menu {
    border: none;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    border-radius: 12px;
    padding: 0.5rem 0;
    min-width: 280px;
}

.user-profile-header {
    display: flex;
    align-items: center;
    padding: 1rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    margin: -0.5rem -0.5rem 0.5rem -0.5rem;
    border-radius: 12px 12px 0 0;
}

.user-details {
    margin-left: 1rem;
    color: white;
}

.user-details strong {
    display: block;
    font-size: 1rem;
}

.user-details small {
    font-size: 0.8rem;
    opacity: 0.9;
}

.dropdown-item {
    padding: 0.75rem 1.5rem;
    transition: all 0.3s ease;
    border-radius: 6px;
    margin: 0 0.5rem;
}

.dropdown-item:hover {
    background: rgba(102, 126, 234, 0.1);
    transform: translateX(5px);
}

.dropdown-item.text-danger:hover {
    background: rgba(220, 53, 69, 0.1);
}

.navbar-nav .nav-link {
    font-weight: 500;
    transition: all 0.3s ease;
}

.navbar-nav .nav-link:hover {
    transform: translateY(-1px);
}

/* Responsive Navbar Logo */
@media (max-width: 768px) {
    .navbar-logo {
        max-width: 40px;
        max-height: 40px;
        width: auto;
        height: auto;
    }
    
    .brand-name {
        font-size: 1rem;
    }
    
    .brand-subtitle {
        font-size: 0.7rem;
    }
}

@media (max-width: 576px) {
    .navbar-logo {
        max-width: 35px;
        max-height: 35px;
        width: auto;
        height: auto;
    }
    
    .brand-name {
        font-size: 0.9rem;
    }
    
    .brand-subtitle {
        font-size: 0.6rem;
    }
}

/* Cards */
.card {
    border: none;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    transition: all 0.3s ease;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(0,0,0,0.15);
}

.card-header {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border-radius: var(--border-radius) var(--border-radius) 0 0 !important;
    font-weight: 600;
}

/* Buttons */
.btn {
    border-radius: var(--border-radius);
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border: none;
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

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

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

/* Forms */
.form-control {
    border-radius: var(--border-radius);
    border: 2px solid #e9ecef;
    transition: all 0.3s ease;
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(102, 126, 234, 0.25);
}

.form-select {
    border-radius: var(--border-radius);
    border: 2px solid #e9ecef;
}

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

.progress-bar {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 10px;
}

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

/* Tables */
.table {
    border-radius: var(--border-radius);
    overflow: hidden;
}

.table thead th {
    background-color: var(--light-color);
    border-bottom: 2px solid #dee2e6;
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.875rem;
    letter-spacing: 0.5px;
}

/* Alerts */
.alert {
    border: none;
    border-radius: var(--border-radius);
    border-left: 4px solid;
}

.alert-success {
    border-left-color: var(--success-color);
    background-color: rgba(40, 167, 69, 0.1);
}

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

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

.alert-info {
    border-left-color: var(--info-color);
    background-color: rgba(23, 162, 184, 0.1);
}

/* Dashboard Cards */
.dashboard-card {
    background: white;
    border-radius: var(--border-radius);
    padding: 2rem;
    box-shadow: var(--box-shadow);
    transition: all 0.3s ease;
    border-left: 4px solid var(--primary-color);
}

.dashboard-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 25px rgba(0,0,0,0.15);
}

.dashboard-card .card-icon {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.dashboard-card .card-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--dark-color);
    margin-bottom: 0.5rem;
}

.dashboard-card .card-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
}

/* Course Cards */
.course-card {
    transition: all 0.3s ease;
    border: none;
    border-radius: var(--border-radius);
    overflow: hidden;
}

.course-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0,0,0,0.15);
}

.course-card .card-img-top {
    height: 200px;
    object-fit: cover;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
}

.course-card .card-body {
    padding: 1.5rem;
}

.course-card .course-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--dark-color);
    margin-bottom: 0.75rem;
}

.course-card .course-description {
    color: #6c757d;
    font-size: 0.9rem;
    line-height: 1.5;
    margin-bottom: 1rem;
}

.course-card .course-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid #e9ecef;
}

/* Quiz Styles */
.quiz-question {
    background: white;
    border-radius: var(--border-radius);
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: var(--box-shadow);
}

.quiz-question .question-text {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: var(--dark-color);
}

.quiz-option {
    background: #f8f9fa;
    border: 2px solid #e9ecef;
    border-radius: var(--border-radius);
    padding: 1rem;
    margin-bottom: 0.75rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.quiz-option:hover {
    background: #e9ecef;
    border-color: var(--primary-color);
}

.quiz-option.selected {
    background: rgba(102, 126, 234, 0.1);
    border-color: var(--primary-color);
}

.quiz-option input[type="radio"],
.quiz-option input[type="checkbox"] {
    margin-right: 0.75rem;
}

/* Lesson Styles */
.lesson-content {
    background: white;
    border-radius: var(--border-radius);
    padding: 2rem;
    box-shadow: var(--box-shadow);
    margin-bottom: 2rem;
}

.lesson-content h1,
.lesson-content h2,
.lesson-content h3 {
    color: var(--dark-color);
    margin-bottom: 1rem;
}

.lesson-content p {
    margin-bottom: 1rem;
    line-height: 1.7;
}

.lesson-content ul,
.lesson-content ol {
    margin-bottom: 1rem;
    padding-left: 2rem;
}

.lesson-content li {
    margin-bottom: 0.5rem;
}

/* Video Container */
.video-container {
    position: relative;
    width: 100%;
    height: 0;
    padding-bottom: 56.25%; /* 16:9 aspect ratio */
    margin-bottom: 2rem;
}

.video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: var(--border-radius);
}

/* File Download */
.file-download {
    background: #f8f9fa;
    border: 2px solid #e9ecef;
    border-radius: var(--border-radius);
    padding: 1rem;
    margin-bottom: 1rem;
    transition: all 0.3s ease;
}

.file-download:hover {
    background: #e9ecef;
    border-color: var(--primary-color);
}

.file-download .file-icon {
    font-size: 2rem;
    color: var(--primary-color);
    margin-right: 1rem;
}

.file-download .file-info h6 {
    margin-bottom: 0.25rem;
    font-weight: 600;
}

.file-download .file-info small {
    color: #6c757d;
}

/* Responsive Design */
@media (max-width: 768px) {
    .dashboard-card {
        padding: 1.5rem;
        margin-bottom: 1rem;
    }
    
    .course-card .card-body {
        padding: 1rem;
    }
    
    .quiz-question {
        padding: 1.5rem;
    }
    
    .lesson-content {
        padding: 1.5rem;
    }
}

/* Loading Spinner */
.spinner-border-sm {
    width: 1rem;
    height: 1rem;
}

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

::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 10px;
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--secondary-color);
}

/* Animation Classes */
.fade-in {
    animation: fadeIn 0.5s ease-in;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.slide-in-left {
    animation: slideInLeft 0.5s ease-out;
}

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

.slide-in-right {
    animation: slideInRight 0.5s ease-out;
}

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

/* Footer Styles */
.footer {
    background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%) !important;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand p {
    font-size: 0.9rem;
    line-height: 1.6;
}

.footer-logo {
    height: 40px;
    width: 40px;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.1);
    padding: 8px;
}

.footer h6 {
    font-weight: 600;
    margin-bottom: 1rem;
    position: relative;
}

.footer h6::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 30px;
    height: 2px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 2px;
}

.footer ul li {
    margin-bottom: 0.5rem;
}

.footer ul li a {
    transition: all 0.3s ease;
    font-size: 0.9rem;
}

.footer ul li a:hover {
    color: #667eea !important;
    transform: translateX(5px);
}

.contact-info p {
    display: flex;
    align-items: center;
    font-size: 0.9rem;
}

.social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 35px;
    height: 35px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    transition: all 0.3s ease;
    font-size: 1rem;
}

.social-links a:hover {
    background: #667eea;
    color: white !important;
    transform: translateY(-2px);
}

.footer-links a {
    transition: all 0.3s ease;
    font-size: 0.9rem;
}

.footer-links a:hover {
    color: #667eea !important;
}

/* Enhanced Responsive Design */
@media (max-width: 768px) {
    .navbar-logo { 
        max-width: 40px; 
        max-height: 40px; 
        width: auto; 
        height: auto; 
    }
    .logo-container { width: 40px; height: 40px; }
    .brand-name { font-size: 1rem; }
    .brand-subtitle { font-size: 0.7rem; }
    .user-dropdown-menu { min-width: 250px; }
    .footer .col-lg-4, .footer .col-lg-2 { margin-bottom: 2rem; }
}

@media (max-width: 576px) {
    .navbar-logo { 
        max-width: 35px; 
        max-height: 35px; 
        width: auto; 
        height: auto; 
    }
    .logo-container { width: 35px; height: 35px; }
    .brand-name { font-size: 0.9rem; }
    .brand-subtitle { font-size: 0.6rem; }
    .user-info { display: none; }
    .user-dropdown-menu { min-width: 200px; }
}