/* Import Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=PT+Sans:wght@400;700&display=swap');

/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #2563eb;
    --primary-hover: #1d4ed8;
    --secondary-color: #64748b;
    --success-color: #059669;
    --danger-color: #dc2626;
    --warning-color: #d97706;
    --info-color: #0891b2;
    --dark-color: #1e293b;
    --light-color: #f8fafc;
    --white: #ffffff;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --border-radius: 0.5rem;
    --border-radius-lg: 0.75rem;
    --border-radius-xl: 1rem;
    --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    font-family: "PT Sans", sans-serif;
    line-height: 1.6;
    color: var(--gray-800);
    background: linear-gradient(135deg, var(--gray-50) 0%, var(--gray-100) 100%);
    min-height: 100vh;
    
}

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

/* Header */
.header {
    background: linear-gradient(135deg, var(--dark-color) 0%, var(--gray-800) 100%);
    color: var(--white);
    padding: 1rem 0;
    box-shadow: var(--shadow-lg);
    border-bottom: 1px solid var(--gray-200);
    position: sticky;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.75rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--info-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.025em;
}

.nav {
    display: flex;
    gap: 8px;
    align-items: center;
}

.nav a {
    color: var(--gray-200);
    text-decoration: none;
    padding: 10px 16px;
    border-radius: var(--border-radius);
    transition: var(--transition);
    font-weight: 500;
    position: relative;
    overflow: hidden;
}

.nav a:hover {
    color: var(--white);
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-1px);
}

.nav a::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 0.5s;
}

.nav a:hover::before {
    left: 100%;
}

/* Learner Header Specific Styles */
.learner-header {
    background: #959686 !important;
}

.learner-header .header-content {
    display: grid;
    grid-template-columns: 1fr 2fr 1fr;
    align-items: center;
    gap: 1rem;
}

.header-left {
    display: flex;
    align-items: center;
    justify-content: flex-start;
}

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

.header-right {
    display: flex;
    align-items: center;
    justify-content: flex-end;
}

.header-logo {
    max-height: 45px;
    width: auto;
    object-fit: contain;
    filter: brightness(0.8);
}

.welcome-text {
    color: #2d2d2d !important;
    font-size: 40px;
    font-weight: 600;
    margin: 0;
    text-align: center;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

.learner-header .nav a {
    color: #2d2d2d !important;
    background: rgba(45, 45, 45, 0.1);
    border: 1px solid rgba(45, 45, 45, 0.2);
    font-weight: 600;
}

.learner-header .nav a:hover {
    background: rgba(45, 45, 45, 0.2);
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(45, 45, 45, 0.2);
}

.learner-header .nav a::before {
    background: linear-gradient(90deg, transparent, rgba(45, 45, 45, 0.1), transparent);
}

/* Dashboard Page Background */
.dashboard-page {
    background-image: url('../images/office-training.webp');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-attachment: fixed;
    position: relative;
    min-height: 100vh;
}

/* Footer */
.footer {
    background: #959686;
    color: #1f2937;
    padding: 16px 0;
    margin-top: 40px;
}

.footer .footer-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    text-align: center;
    font-weight: 600;
}

/* Page Welcome Text */
.page-welcome {
    color: #2d2d2d !important;
    text-align: center;
    font-size: 2rem;
    font-weight: 600;
    margin: 2rem 0;
}

/* Training Progress Section Styles */
.training-progress-header {
    text-align: center;
    background: #eaebcb !important;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.training-progress-title {
    font-size: 30px;
    font-weight: 600;
    color: var(--gray-800);
    margin: 0;
}

/* Training List Layout */
.training-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.training-card {
    background: var(--white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--gray-200);
    overflow: hidden;
}

.training-card-header {
    display: grid;
    grid-template-columns: 50% 25% 25%;
    align-items: center;
    padding: 1rem 1.5rem;
    background: var(--gray-50);
    border-bottom: 1px solid var(--gray-200);
    gap: 0;
}

.training-number {
    font-weight: 600;
    color: var(--gray-700);
    font-size: 21px;
    letter-spacing: 0.5px;
    text-align: left;
}

.training-headers {
    display: contents;
}

.header-progress,
.header-actions {
    font-weight: 600;
    color: var(--gray-700);
    font-size: 21px;
    letter-spacing: 0.5px;
    text-align: center;
    justify-self: center;
}

.training-card-content {
    display: grid;
    grid-template-columns: 50% 25% 25%;
    align-items: center;
    gap: 0;
    padding: 1.5rem;
    min-height: 80px;
    background: #ddc9c9;;
}

.training-info {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.training-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--gray-800);
    line-height: 1.3;
}

.training-description {
    font-size: 0.9rem;
    color: var(--gray-600);
    line-height: 1.4;
}

.training-progress {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    align-items: center;
    justify-self: center;
}

.progress {
    width: 80%;
    height: 8px;
    background: var(--gray-200);
    border-radius: 4px;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background: var(--primary-color);
    transition: width 0.3s ease;
}

.progress-bar.success {
    background: var(--success-color);
}

.progress-text {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--gray-700);
}

.training-actions {
    display: flex;
    justify-content: center;
    justify-self: center;
}

.training-actions .btn {
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    min-width: 100px;
}

/* Training Page Specific Styles */
.training-title-section {
    text-align: center;
    background: #eaebcb;
    padding: 2rem;
    border-radius: var(--border-radius-lg);
    margin: 2rem 0;
}

.training-title-centered {
    color: #2d2d2d;
    font-size: 2.5rem;
    font-weight: 700;
    margin: 0;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

/* Training lessons table header */
.training-lessons-table thead th {
    font-size: 21px;
    font-weight: 600;
    color: var(--gray-700);
    padding: 1rem;
}

/* Authentication forms */
.auth-form {
    max-width: 420px;
    margin: 60px auto;
    background: var(--white);
    padding: 40px;
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--gray-200);
    position: relative;
    overflow: hidden;
}

.auth-form::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--info-color) 100%);
}

/* Logo container for login page */
.logo-container {
    text-align: center;
    margin-bottom: 24px;
}

.login-logo {
    max-width: 120px;
    height: auto;
    max-height: 80px;
    object-fit: contain;
    transition: var(--transition);
}

.login-logo:hover {
    transform: scale(1.05);
}

.auth-form h2 {
    text-align: center;
    margin-bottom: 32px;
    color: var(--gray-800);
    font-size: 1.875rem;
    font-weight: 700;
    letter-spacing: -0.025em;
}

.auth-link {
    text-align: center;
    margin-top: 24px;
}

.auth-link a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

.auth-link a:hover {
    color: var(--primary-hover);
    text-decoration: underline;
}

/* Forms */
.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--gray-700);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--gray-200);
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: var(--transition);
    background: var(--white);
    color: var(--gray-800);
    font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
    transform: translateY(-1px);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--gray-400);
}

.form-group small {
    display: block;
    margin-top: 6px;
    color: var(--gray-500);
    font-size: 0.875rem;
}

/* Buttons */
.btn {
    padding: 12px 24px;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-size: 0.875rem;
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    min-height: 44px;
}

.btn::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 0.5s;
}

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

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-hover) 100%);
    color: var(--white);
    box-shadow: var(--shadow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-success {
    background: linear-gradient(135deg, var(--success-color) 0%, #047857 100%);
    color: var(--white);
    box-shadow: var(--shadow);
}

.btn-success:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-danger {
    background: linear-gradient(135deg, var(--danger-color) 0%, #b91c1c 100%);
    color: var(--white);
    box-shadow: var(--shadow);
}

.btn-danger:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: linear-gradient(135deg, var(--gray-600) 0%, var(--gray-700) 100%);
    color: var(--white);
    box-shadow: var(--shadow);
}

.btn-secondary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-sm {
    padding: 8px 16px;
    font-size: 0.75rem;
    min-height: 36px;
}

/* Alerts */
.alert {
    padding: 12px;
    border-radius: 4px;
    margin-bottom: 20px;
}

.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 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    margin-bottom: 40px;
}

.stat-card {
    background: var(--white);
    padding: 32px 24px;
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-md);
    text-align: center;
    border: 1px solid var(--gray-200);
    position: relative;
    overflow: hidden;
    transition: var(--transition);
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--info-color) 100%);
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--info-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 12px;
    letter-spacing: -0.025em;
}

.stat-label {
    color: var(--gray-600);
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Tables */
.table-container {
    background: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

table {
    width: 100%;
    border-collapse: collapse;
}

th, td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid #eee;
}

th {
    background-color: #f8f9fa;
    font-weight: 600;
    color: #555;
}

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

/* Cards */
.card {
    background: var(--white);
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    margin-bottom: 24px;
    border: 1px solid var(--gray-200);
    transition: var(--transition);
}

.card:hover {
    box-shadow: var(--shadow-lg);
}

.card-header {
    background: linear-gradient(135deg, var(--gray-50) 0%, var(--gray-100) 100%);
    padding: 20px 24px;
    border-bottom: 1px solid var(--gray-200);
    font-weight: 700;
    color: var(--gray-800);
    font-size: 1.125rem;
    letter-spacing: -0.025em;
}

.card-body {
    padding: 24px;
}

/* training cards */
.course-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
}

.course-card {
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    overflow: hidden;
    transition: transform 0.3s;
}

.course-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.15);
}

.course-header {
    padding: 20px;
    border-bottom: 1px solid #eee;
}

.course-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: #2c3e50;
    margin-bottom: 10px;
}

.course-description {
    color: #666;
    line-height: 1.5;
}

.course-footer {
    padding: 15px 20px;
    background-color: #f8f9fa;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Progress bars */
.progress {
    width: 100%;
    height: 8px;
    background-color: #e9ecef;
    border-radius: 4px;
    overflow: hidden;
    margin: 10px 0;
}

.progress-bar {
    height: 100%;
    background-color: #3498db;
    transition: width 0.3s;
}

.progress-bar.success {
    background-color: #27ae60;
}

/* Quiz styles */
.quiz-container {
    max-width: 800px;
    margin: 0 auto;
}

/* Enhanced quiz content visibility */
.lesson-main-content .quiz-section {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--border-radius-lg);
    padding: 1.5rem;
    margin: 0 0 2rem 0;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.lesson-main-content .quiz-section h3 {
    color: var(--gray-900);
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.lesson-main-content .quiz-section p {
    color: var(--gray-600);
    margin-bottom: 1rem;
    line-height: 1.6;
}

.question-card {
    background: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    margin-bottom: 20px;
}

.question-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: #2c3e50;
}

.option {
    margin-bottom: 10px;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s;
}

.option:hover {
    background-color: #f8f9fa;
    border-color: #3498db;
}

.option input[type="radio"] {
    margin-right: 10px;
}

/* Video player */
.video-container {
    position: relative;
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
}

.video-player {
    width: 100%;
    height: auto;
    border-radius: 8px;
}

/* Modern Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    letter-spacing: -0.025em;
    line-height: 1.2;
    color: var(--gray-900);
}

h1 {
    font-size: 2.25rem;
    margin-bottom: 1rem;
}

h2 {
    font-size: 1.875rem;
    margin-bottom: 0.875rem;
}

h3 {
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
}

/* Enhanced Container */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 32px 24px;
}

/* Modern Page Headers */
.page-header {
    background: linear-gradient(135deg, var(--white) 0%, var(--gray-50) 100%);
    border-bottom: 1px solid var(--gray-200);
    padding: 32px 0;
    margin-bottom: 32px;
}

.page-header h1 {
    margin-bottom: 8px;
    font-size: 2.5rem;
}

.page-header p {
    color: var(--gray-600);
    font-size: 1.125rem;
}

/* Enhanced Tables */
.table-container {
    background: var(--white);
    border-radius: var(--border-radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--gray-200);
}

table {
    width: 100%;
    border-collapse: collapse;
}

th, td {
    padding: 16px 20px;
    text-align: left;
    border-bottom: 1px solid var(--gray-200);
}

th {
    background: linear-gradient(135deg, var(--gray-50) 0%, var(--gray-100) 100%);
    font-weight: 700;
    color: var(--gray-700);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

tr:hover {
    background-color: var(--gray-50);
}

/* Enhanced training Cards */
.course-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 24px;
}

.course-card {
    background: var(--white);
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    transition: var(--transition);
    border: 1px solid var(--gray-200);
    position: relative;
}

.course-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.course-header {
    padding: 24px;
    border-bottom: 1px solid var(--gray-200);
}

.course-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 12px;
    letter-spacing: -0.025em;
}

.course-description {
    color: var(--gray-600);
    line-height: 1.6;
}

.course-footer {
    padding: 20px 24px;
    background: linear-gradient(135deg, var(--gray-50) 0%, var(--gray-100) 100%);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Responsive */
@media (max-width: 768px) {
    .container {
        padding: 16px;
    }
    
    .header-content {
        flex-direction: column;
        gap: 16px;
    }
    
    .nav {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .learner-header .header-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .welcome-text {
        font-size: 32px;
    }
    
    .header-logo {
        max-height: 35px;
    }
    
    .page-welcome {
        font-size: 1.75rem;
        margin: 1.5rem 0;
    }
    
    .training-card-header {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 1rem;
    }
    
    .training-card-content {
        grid-template-columns: 1fr;
        gap: 1rem;
        text-align: center;
    }
    
    .training-info {
        order: 1;
    }
    
    .training-progress {
        order: 2;
    }
    
    .training-actions {
        order: 3;
    }
    
    .dashboard {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .course-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .table-container {
        overflow-x: auto;
    }
    
    table {
        min-width: 600px;
    }
    
    .page-header h1 {
        font-size: 2rem;
    }
    
    h1 {
        font-size: 1.875rem;
    }
}

/* Utility classes */
.text-center {
    text-align: center;
}

.text-right {
    text-align: right;
}

.mb-20 {
    margin-bottom: 20px;
}

.mt-20 {
    margin-top: 20px;
}

.d-flex {
    display: flex;
}

.justify-between {
    justify-content: space-between;
}

.align-center {
    align-items: center;
}

.gap-10 {
    gap: 10px;
}

.gap-20 {
    gap: 20px;
}

.hidden {
    display: none;
}

.text-center {
    text-align: center;
}

/* Video Container */
.video-container {
    width: 100%;
    margin: 0 auto;
    max-width: 800px; /* Limit maximum width */
}

.video-container.embed-video {
    position: relative;
    width: 100%;
    height: 0;
    padding-bottom: 56.25%; /* 16:9 aspect ratio */
    overflow: hidden;
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-md);
    margin: 0 auto; /* Center the video */
}

.video-container.embed-video iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
    border-radius: var(--border-radius-md);
}

.video-player {
    width: 100%;
    max-width: 100%;
    height: auto;
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-md);
}

/* Reduce spacing for video content cards */
.card .card-body .video-container {
    margin-bottom: 16px; /* Reduced bottom margin */
}

/* Compact video content layout */
.video-container.embed-video {
    margin-bottom: 0; /* Remove extra bottom margin */
}

/* Audio Player */
.audio-container {
    width: 100%;
    margin: 0 auto;
}

.audio-player {
    width: 100%;
    height: 40px;
    border-radius: var(--border-radius-md);
    background: var(--gray-50);
    border: 1px solid var(--gray-200);
}

/* Reference Files */
.reference-files {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.reference-item {
    display: flex;
    align-items: center;
    padding: 12px 16px;
    background: var(--gray-50);
    border-radius: var(--border-radius-md);
    border: 1px solid var(--gray-200);
    transition: var(--transition);
}

.reference-item:hover {
    background: var(--gray-100);
    border-color: var(--primary-300);
}

.reference-text {
    color: var(--gray-700);
    font-size: 0.95rem;
    line-height: 1.4;
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--primary-500);
    color: var(--primary-600);
    text-decoration: none;
    padding: 8px 16px;
    border-radius: var(--border-radius-md);
    font-size: 0.875rem;
    font-weight: 500;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-outline:hover {
    background: var(--primary-50);
    border-color: var(--primary-600);
    color: var(--primary-700);
}

/* Status Select */
.status-select {
    padding: 6px 12px;
    border: 1px solid var(--gray-300);
    border-radius: var(--border-radius-md);
    background: var(--white);
    color: var(--gray-700);
    font-size: 0.875rem;
    cursor: pointer;
    transition: var(--transition);
}

.status-select:hover {
    border-color: var(--primary-300);
}

.status-select:focus {
    outline: none;
    border-color: var(--primary-500);
    box-shadow: 0 0 0 3px var(--primary-100);
}

/* ===== LESSON LAYOUT STYLES ===== */

.lesson-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
    background: var(--white);
    min-height: calc(100vh - 80px);
}

.lesson-main-content {
    width: 100%;
}

/* Lesson Header - Clean Design */
.lesson-header {
    margin-bottom: 0rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--gray-200);
}


/* Back to dashboard button */
.back-to-dashboard {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.875rem;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    transition: var(--transition);
    border: 1px solid var(--primary-color);
    background: transparent;
}

.back-to-dashboard:hover {
    background: var(--primary-color);
    color: var(--white);
    text-decoration: none;
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.2);
}

.breadcrumb-separator {
    color: var(--gray-400);
    margin: 0 0.5rem;
}

.breadcrumb {
    font-size: 0.8125rem;
    color: var(--gray-600);
    font-weight: 500;
}

.breadcrumb a {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
    font-weight: 500;
}

.breadcrumb a:hover {
    color: var(--primary-hover);
    text-decoration: underline;
}

.lesson-status {
    display: flex;
    align-items: center;
}

.status-tag {
    padding: 0.375rem 0.875rem;
    border-radius: 9999px;
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.status-tag.completed {
    background: var(--success-color);
    color: var(--white);
}

.status-tag.in-progress {
    background: var(--warning-color);
    color: var(--white);
}

.lesson-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--gray-900);
    margin: 0 0 2rem 0;
    line-height: 1.3;
    text-align: center;
    padding: 1rem 0;
    border-bottom: 2px solid var(--primary-color);
}

/* Lesson Actions - Clean Modern Design */
.lesson-actions {
    background: var(--white);
    padding: 2rem 0;
    border-top: 2px solid var(--gray-200);
    margin-top: 2rem;
}

.action-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    align-items: center;
}

.btn-mark-complete {
    background: var(--success-color);
    border-color: var(--success-color);
    color: var(--white);
    padding: 0.625rem 1.25rem;
    font-weight: 600;
    font-size: 0.875rem;
    border-radius: var(--border-radius);
    transition: var(--transition);
    border: none;
}

.btn-mark-complete:hover {
    background: #047857;
    border-color: #047857;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(5, 150, 105, 0.3);
}

.btn-next-lesson {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: var(--white);
    padding: 0.625rem 1.25rem;
    font-weight: 600;
    font-size: 0.875rem;
    border-radius: var(--border-radius);
    transition: var(--transition);
    border: none;
}

.btn-next-lesson:hover {
    background: var(--primary-hover);
    border-color: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

/* Content Area Adjustments - Modern Cards */
.lesson-main-content .card {
    margin: 0 0 2rem 0;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    border: 1px solid var(--gray-200);
    border-radius: var(--border-radius-lg);
    background: var(--white);
}

/* Lesson content styling improvements */
.lesson-main-content .lesson-content {
    font-size: 0.95rem;
    line-height: 1.7;
    color: var(--gray-700);
    margin-bottom: 1.5rem;
}

.lesson-main-content .lesson-content p {
    margin-bottom: 1rem;
}

.lesson-main-content .lesson-content p:last-child {
    margin-bottom: 0;
}

.lesson-main-content .card-header {
    background: linear-gradient(135deg, var(--gray-50) 0%, var(--gray-100) 100%);
    border-bottom: 1px solid var(--gray-200);
    padding: 1.25rem 1.5rem;
    font-weight: 600;
    color: var(--gray-900);
    font-size: 1.125rem;
    border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0;
}

.lesson-main-content .card-body {
    padding: 1.5rem;
}

/* Video Container in Lesson Layout */
.lesson-main-content .video-container {
    max-width: 100%;
    margin: 0 auto;
}

.lesson-main-content .video-container.embed-video {
    max-width: 100%;
    margin: 0 auto;
}

/* Responsive Design - Modern Clean Layout */
@media (max-width: 1024px) {
    .lesson-container {
        padding: 1.5rem;
        max-width: 100%;
    }
}

@media (max-width: 768px) {
    .lesson-container {
        padding: 1rem;
    }
    
    .lesson-title {
        font-size: 1.5rem;
        margin-bottom: 1.5rem;
    }
    
    .lesson-main-content .card {
        margin-bottom: 1.5rem;
    }
    
    .lesson-main-content .card-body {
        padding: 1rem;
    }
    
    .lesson-main-content .card-header {
        padding: 1rem;
        font-size: 1rem;
    }
    
    .action-buttons {
        flex-direction: column;
        gap: 0.75rem;
    }
    
    .btn-mark-complete,
    .btn-next-lesson {
        width: 100%;
        justify-content: center;
        padding: 0.875rem 1rem;
        font-size: 0.875rem;
    }
    
    .lesson-actions {
        padding: 1.5rem 0;
    }
}

@media (max-width: 480px) {
    .lesson-container {
        padding: 0.75rem;
    }
    
    .lesson-title {
        font-size: 1.25rem;
        margin-bottom: 1rem;
        padding: 0.75rem 0;
    }
    
    .lesson-main-content .card-body {
        padding: 0.875rem;
    }
    
    .lesson-main-content .card-header {
        padding: 0.875rem;
        font-size: 0.875rem;
    }
    
    .back-to-dashboard {
        font-size: 0.75rem;
        padding: 0.375rem 0.75rem;
    }
    
    .lesson-actions {
        padding: 1rem 0;
    }
}

/* ===== LOGIN PAGE BACKGROUND ===== */

/* Login page specific body styling */
body.login-page {
    background-image: url('../images/office-bg.webp');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-attachment: fixed;
    position: relative;
    min-height: 100vh;
}

/* Overlay for better readability */
body.login-page::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4);
    z-index: -1;
}

/* Additional blur effect for the background image */
body.login-page::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('../images/office-bg.webp');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    transform: scale(1.1);
    z-index: -2;
}

/* Enhanced auth form styling for login page */
.login-page .auth-form {
    background: rgba(255, 255, 255, 0.95);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 
        0 25px 50px -12px rgba(0, 0, 0, 0.25),
        0 0 0 1px rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-xl);
    padding: 2.5rem;
    margin: 2rem auto;
    max-width: 450px;
    position: relative;
    z-index: 1;
}

.login-page .auth-form h2 {
    color: var(--gray-900);
    margin-bottom: 2rem;
    font-weight: 700;
    text-align: center;
    font-size: 1.875rem;
}

.login-page .form-group label {
    color: var(--gray-700);
    font-weight: 600;
    margin-bottom: 0.5rem;
    display: block;
}

.login-page .form-group input {
    background: rgba(255, 255, 255, 0.8);
    border: 2px solid rgba(37, 99, 235, 0.2);
    border-radius: var(--border-radius);
    padding: 0.875rem 1rem;
    font-size: 1rem;
    transition: all 0.2s ease;
    width: 100%;
}

.login-page .form-group input:focus {
    outline: none;
    border-color: var(--primary-color);
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
    transform: translateY(-1px);
}

.login-page .btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-hover) 100%);
    border: none;
    border-radius: var(--border-radius);
    padding: 0.875rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    color: var(--white);
    width: 100%;
    margin-top: 1rem;
    transition: all 0.2s ease;
    box-shadow: 0 4px 14px 0 rgba(37, 99, 235, 0.3);
}

.login-page .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px 0 rgba(37, 99, 235, 0.4);
}

.login-page .auth-link {
    text-align: center;
    margin-top: 1.5rem;
    color: var(--gray-600);
}

.login-page .auth-link a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

.login-page .auth-link a:hover {
    color: var(--primary-hover);
    text-decoration: underline;
}

/* Alert styling for login page */
.login-page .alert {
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(220, 38, 38, 0.2);
    border-radius: var(--border-radius);
    padding: 1rem;
    margin-bottom: 1.5rem;
    color: var(--danger-color);
    font-weight: 500;
}

/* Mobile responsiveness for login page */
@media (max-width: 768px) {
    .login-page .auth-form {
        margin: 1rem;
        padding: 2rem;
        max-width: none;
    }
    
    .login-logo {
        max-width: 100px;
        max-height: 60px;
    }
    
    .login-page .auth-form h2 {
        font-size: 1.5rem;
    }
}

@media (max-width: 480px) {
    .login-page .auth-form {
        margin: 0.5rem;
        padding: 1.5rem;
    }
    
    .login-logo {
        max-width: 80px;
        max-height: 50px;
    }
    
    .login-page .auth-form h2 {
        font-size: 1.25rem;
    }
}