/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #4CAF50;
    --secondary-color: #388E3C;
    --accent-color: #66BB6A;
    --header-green: #4CAF50;
    --hero-orange: #FF8C42;
    --hero-yellow: #FFB347;
    --success-color: #28a745;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --text-color: #333;
    --bg-color: #f5f5f5;
    --white: #ffffff;
    --border-color: #ddd;
    --shadow: 0 2px 4px rgba(0,0,0,0.1);
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: var(--text-color);
    background-color: var(--bg-color);
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header Styles */
.main-header {
    background-color: var(--header-green);
    color: var(--white);
    box-shadow: var(--shadow);
}

.header-top-bar {
    background-color: var(--header-green);
    padding: 0.5rem 0;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.header-top-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.9rem;
}

.contact-info {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.contact-info span {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.contact-info i {
    color: var(--white);
}

.contact-info a {
    color: var(--white);
    text-decoration: none;
}

.contact-info a:hover {
    text-decoration: underline;
}

.header-login a {
    color: var(--white);
    text-decoration: none;
    font-weight: 500;
}

.header-login a:hover {
    text-decoration: underline;
}

.header-main-bar {
    background-color: var(--header-green);
    padding: 1rem 0;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
}

.logo-link {
    text-decoration: none;
    color: var(--white);
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--white);
}

.logo-img {
    height: 60px;
    width: auto;
    max-width: 200px;
    object-fit: contain;
}

.main-nav ul {
    list-style: none;
    display: flex;
    gap: 2rem;
    align-items: center;
    margin: 0;
    padding: 0;
}

.main-nav a {
    color: var(--white);
    text-decoration: none;
    font-weight: 500;
    transition: opacity 0.3s;
    padding: 0.5rem 1rem;
}

.main-nav a:hover {
    opacity: 0.8;
    background-color: rgba(255,255,255,0.1);
    border-radius: 4px;
}

/* Main Content */
.main-content {
    min-height: calc(100vh - 200px);
    padding: 2rem 0;
}

/* Hero Section */
.hero {
    position: relative;
    background: linear-gradient(135deg, var(--hero-orange) 0%, var(--hero-yellow) 100%);
    color: var(--white);
    padding: 6rem 0;
    margin-bottom: 3rem;
    min-height: 500px;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255,140,66,0.9) 0%, rgba(255,179,71,0.9) 100%);
    z-index: 1;
}

.hero-overlay {
    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 1200 600"><rect fill="%23FF8C42" width="1200" height="600"/><path d="M0,300 Q300,200 600,300 T1200,300" stroke="%23FFB347" stroke-width="2" fill="none" opacity="0.3"/></svg>') center/cover;
    opacity: 0.3;
    z-index: 1;
}

.hero .container {
    position: relative;
    z-index: 2;
}

.hero-content {
    max-width: 800px;
    text-align: left;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    font-weight: 700;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.2);
    line-height: 1.2;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    line-height: 1.8;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.2);
}

/* Hero Slider Section */
.hero-slider {
    position: relative;
    min-height: 500px;
    overflow: hidden;
    width: 100%;
    margin-bottom: 3rem;
}

.slider-container {
    position: relative;
    width: 100%;
    height: 500px;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    opacity: 0;
    transition: opacity 1s ease-in-out;
    display: flex;
    align-items: center;
    justify-content: center;
}

.slide.active {
    opacity: 1;
    z-index: 1;
}

.slide-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.4);
    z-index: 1;
}

.slide .container {
    position: relative;
    z-index: 2;
    width: 100%;
}

.slide .hero-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    color: white;
    padding: 2rem;
}

.slide .hero-content h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 8px rgba(0,0,0,0.5);
    animation: fadeInUp 0.8s ease-out;
}

.slide .hero-content p {
    font-size: 1.2rem;
    line-height: 1.8;
    text-shadow: 1px 1px 4px rgba(0,0,0,0.5);
    animation: fadeInUp 1s ease-out;
    margin-bottom: 0;
}

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

/* Slider Navigation Buttons */
.slider-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.3);
    color: white;
    font-size: 1.5rem;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
}

.slider-nav:hover {
    background: rgba(255, 255, 255, 0.3);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-50%) scale(1.1);
}

.slider-nav.prev {
    left: 20px;
}

.slider-nav.next {
    right: 20px;
}

/* Slider Indicators */
.slider-indicators {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 10;
}

.indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: all 0.3s;
    border: 2px solid rgba(255, 255, 255, 0.8);
}

.indicator:hover {
    background: rgba(255, 255, 255, 0.8);
    transform: scale(1.2);
}

.indicator.active {
    background: white;
    width: 30px;
    border-radius: 6px;
}

/* Help Guides Section */
.help-guides-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.help-guide-card {
    background: white;
    border-radius: 10px;
    padding: 1.5rem;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    border: 1px solid #e0e0e0;
    transition: all 0.3s;
}

.help-guide-card:hover {
    box-shadow: 0 4px 16px rgba(0,0,0,0.12);
    transform: translateY(-3px);
}

.help-guide-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid #f0f0f0;
}

.help-guide-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--header-green), #66BB6A);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.help-guide-header h3 {
    margin: 0;
    color: #333;
    font-size: 1.2rem;
    flex: 1;
}

.help-guide-description {
    color: #666;
    margin-bottom: 1rem;
    font-size: 0.95rem;
    line-height: 1.6;
}

.help-guide-content {
    margin-top: 1rem;
}

.help-video-container {
    position: relative;
    padding-bottom: 56.25%;
    height: 0;
    overflow: hidden;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    background: #000;
}

.help-video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}

.help-pdf-preview {
    text-align: center;
    padding: 2rem;
    background: #f8f9fa;
    border-radius: 8px;
}

.help-image-preview {
    text-align: center;
    border-radius: 8px;
    overflow: hidden;
}

.help-image-preview img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.help-text-content {
    padding: 1rem;
    background: #f8f9fa;
    border-radius: 8px;
    color: #555;
    line-height: 1.7;
}

/* Partners Banner Section */
.partners-banner {
    background: #f8f9fa;
    padding: 3rem 0;
    margin: 3rem 0;
    border-top: 1px solid #e0e0e0;
    border-bottom: 1px solid #e0e0e0;
}

.partners-content {
    text-align: center;
    width: 100%;
}

.partners-image {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 0 auto;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    transition: transform 0.3s, box-shadow 0.3s;
}

.partners-image:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 16px rgba(0,0,0,0.15);
}

.section-title {
    text-align: center;
    margin: 3rem 0 2rem;
    font-size: 2rem;
    font-weight: 600;
    color: var(--header-green);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
    font-size: 1rem;
}

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

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

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

.btn-success:hover {
    background-color: #218838;
}

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

.btn-danger:hover {
    background-color: #c82333;
}

.btn-secondary {
    background-color: #6c757d;
    color: var(--white);
}

.btn-secondary:hover {
    background-color: #5a6268;
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

/* Cards */
.card {
    background: var(--white);
    border-radius: 8px;
    box-shadow: var(--shadow);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.card-header {
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 1rem;
    margin-bottom: 1rem;
}

.card-header h2 {
    margin: 0;
    color: var(--header-green);
}

/* Course Grid */
.courses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.course-card {
    background: var(--white);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: transform 0.3s, box-shadow 0.3s;
}

.course-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.15);
}

.course-thumbnail {
    width: 100%;
    height: 200px;
    background: linear-gradient(135deg, var(--header-green), var(--accent-color));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 3rem;
}

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

.course-card h3 {
    color: var(--header-green);
    margin-bottom: 0.5rem;
}

.course-card p {
    color: #666;
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

.course-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

/* Forms */
.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-color);
}

.form-control {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    font-size: 1rem;
    transition: border-color 0.3s;
}

.form-control:focus {
    outline: none;
    border-color: var(--header-green);
}

textarea.form-control {
    resize: vertical;
    min-height: 120px;
}

select.form-control {
    cursor: pointer;
}

/* Form Sections */
form h3 {
    font-size: 1.2rem;
    margin-top: 1.5rem;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--border-color);
}

form h3:first-of-type {
    margin-top: 0;
}

/* Alerts */
.alert {
    padding: 1rem;
    border-radius: 5px;
    margin-bottom: 1rem;
}

.alert-success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.alert-error {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.alert-info {
    background-color: #d1ecf1;
    color: #0c5460;
    border: 1px solid #bee5eb;
}

/* Dashboard */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.dashboard-card {
    background: var(--white);
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: var(--shadow);
    text-align: center;
}

.dashboard-card i {
    font-size: 3rem;
    color: var(--header-green);
    margin-bottom: 1rem;
}

.dashboard-card h3 {
    margin: 0.5rem 0;
    color: var(--text-color);
}

.dashboard-card .number {
    font-size: 2rem;
    font-weight: bold;
    color: var(--header-green);
}

/* Tables */
.table-container {
    overflow-x: auto;
    margin-top: 1.5rem;
}

table {
    width: 100%;
    border-collapse: collapse;
    background: var(--white);
    box-shadow: var(--shadow);
}

table th,
table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

table th {
    background-color: var(--header-green);
    color: var(--white);
    font-weight: 600;
}

table tr:hover {
    background-color: #f8f9fa;
}

/* Progress Bar */
.progress {
    width: 100%;
    height: 25px;
    background-color: #e9ecef;
    border-radius: 5px;
    overflow: hidden;
    margin: 0.5rem 0;
}

.progress-bar {
    height: 100%;
    background-color: var(--success-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-weight: 500;
    transition: width 0.3s;
}

/* Footer */
.main-footer {
    background-color: var(--header-green);
    color: var(--white);
    padding: 2rem 0 1rem;
    margin-top: 3rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3 {
    margin-bottom: 1rem;
    color: var(--white);
    font-size: 1.1rem;
}

.footer-section ul {
    list-style: none;
}

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

.footer-section a {
    color: var(--white);
    text-decoration: none;
    transition: color 0.3s;
}

.footer-section a:hover {
    color: var(--white);
    text-decoration: underline;
}

.footer-bottom a {
    color: var(--white);
    text-decoration: none;
}

.footer-bottom a:hover {
    text-decoration: underline;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    font-size: 1.5rem;
}

.footer-bottom {
    text-align: center;
    padding-top: 1rem;
    border-top: 1px solid #34495e;
}

/* Course Sections */
.course-section {
    margin-bottom: 2rem;
}

.section-header {
    background: var(--header-green);
    color: var(--white);
    padding: 1.5rem;
    border-radius: 8px 8px 0 0;
}

.section-header h2 {
    color: var(--white);
    margin: 0;
}

/* Practice Cards */
.practice-card {
    padding: 1.5rem;
    background: #f8f9fa;
    border-radius: 8px;
    border-left: 4px solid #0066cc;
    margin-bottom: 1rem;
    transition: transform 0.3s, box-shadow 0.3s;
}

.practice-card:hover {
    transform: translateX(5px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

.practice-icon {
    font-size: 1.5rem;
    color: #0066cc;
    margin-right: 0.5rem;
}

/* Interactive Content */
.interactive-content {
    background: #e7f3ff;
    padding: 1rem;
    border-radius: 5px;
    border-left: 4px solid var(--header-green);
    margin: 0.5rem 0;
}

/* Utilities */
.text-center {
    text-align: center;
}

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }

/* Responsive */
@media (max-width: 768px) {
    .header-top-content {
        flex-direction: column;
        gap: 0.5rem;
        text-align: center;
    }
    
    .contact-info {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .header-content {
        flex-direction: column;
        gap: 1rem;
    }
    
    .main-nav ul {
        flex-direction: column;
        gap: 1rem;
    }
    
    .hero-slider {
        min-height: 400px;
    }
    
    .slider-container {
        height: 400px;
    }
    
    .hero-content h1 {
        font-size: 2rem;
    }
    
    .hero-content p {
        font-size: 1rem;
    }
    
    .slider-nav {
        width: 40px;
        height: 40px;
        font-size: 1.2rem;
    }
    
    .slider-nav.prev {
        left: 10px;
    }
    
    .slider-nav.next {
        right: 10px;
    }
    
    .slider-indicators {
        bottom: 15px;
    }
    
    .hero {
        padding: 3rem 0;
        min-height: 400px;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero p {
        font-size: 1rem;
    }
    
    .courses-grid {
        grid-template-columns: 1fr;
    }
    
    .partners-banner {
        padding: 2rem 0;
        margin: 2rem 0;
    }
    
    .partners-image {
        width: 100%;
        max-width: 100%;
    }
    
    .help-guides-grid {
        grid-template-columns: 1fr;
    }
    
    .help-guide-card {
        padding: 1rem;
    }
    
    /* Form responsive */
    form > div[style*="grid"] {
        grid-template-columns: 1fr !important;
    }
    
    /* Three column grid becomes single column on mobile */
    form > div[style*="grid-template-columns: repeat(3"] {
        grid-template-columns: 1fr !important;
    }
}

/* Document Viewer Styles */
#pdf-viewer-container {
    position: relative;
}

#pdf-canvas {
    margin: 0 auto;
    display: block;
    background: white;
}

#pdf-viewer-container .btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

#page-input {
    border: 1px solid #ddd;
    border-radius: 4px;
    padding: 0.5rem;
}

#page-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(76, 175, 80, 0.2);
}

/* Course Details Interactive Elements */
.course-material-item {
    transition: background-color 0.2s;
}

.course-material-item:hover {
    background-color: #f8f9fa;
}

.btn-success {
    background-color: var(--success-color);
    color: white;
    border: none;
}

.btn-success:hover {
    background-color: #218838;
    color: white;
}

/* Responsive Document Viewer */
@media (max-width: 768px) {
    #pdf-viewer-container > div:first-child {
        flex-direction: column;
        align-items: stretch;
    }
    
    #pdf-viewer-container > div:first-child > div {
        width: 100%;
        justify-content: center;
    }
    
    #pdf-canvas {
        max-width: 100%;
        height: auto;
    }
    
    .btn-sm {
        font-size: 0.875rem;
        padding: 0.375rem 0.75rem;
    }
}