/* Authentication & Lessons Page Styles */

/* Login Page Styles */
.auth-container {
    min-height: calc(100vh - 200px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl) var(--spacing-md);
    background: linear-gradient(135deg, var(--gray-50) 0%, var(--white) 100%);
}

.auth-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    padding: var(--spacing-xl);
    max-width: 450px;
    width: 100%;
    animation: fadeInUp 0.5s ease-out;
}

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

.auth-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.auth-logo {
    width: 80px;
    height: 80px;
    margin-bottom: var(--spacing-md);
    object-fit: contain;
}

.auth-header h1 {
    font-size: 1.75rem;
    color: var(--gray-800);
    margin-bottom: var(--spacing-xs);
}

.auth-subtitle {
    color: var(--gray-600);
    font-size: 0.95rem;
}

.auth-message {
    display: none;
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
    font-size: 0.9rem;
    text-align: center;
}

.auth-message.success {
    background-color: #d1fae5;
    color: #065f46;
    border: 1px solid #6ee7b7;
}

.auth-message.error {
    background-color: #fee2e2;
    color: #991b1b;
    border: 1px solid #fca5a5;
}

.auth-message.info {
    background-color: #dbeafe;
    color: #1e40af;
    border: 1px solid #93c5fd;
}

.auth-form {
    margin-bottom: var(--spacing-lg);
}

.auth-form .form-group {
    margin-bottom: var(--spacing-md);
}

.auth-form label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
    color: var(--gray-700);
    font-size: 0.95rem;
}

.auth-form input {
    width: 100%;
    padding: var(--spacing-sm);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-md);
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.auth-form input:focus {
    outline: none;
    border-color: var(--jamaica-green);
    box-shadow: 0 0 0 3px rgba(0, 155, 58, 0.1);
}

.form-help {
    display: block;
    margin-top: var(--spacing-xs);
    font-size: 0.85rem;
    color: var(--gray-600);
}

.auth-footer {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--gray-200);
}

.auth-footer p {
    margin-bottom: var(--spacing-xs);
    font-size: 0.9rem;
    color: var(--gray-600);
}

.auth-footer a {
    color: var(--jamaica-green);
    text-decoration: none;
    font-weight: 600;
}

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

/* Lessons Page Styles */
.lessons-page {
    padding: var(--spacing-xl) 0;
    background: var(--gray-50);
}

.lessons-page .page-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.lessons-page .page-header h1 {
    font-size: 2.5rem;
    color: var(--gray-800);
    margin-bottom: var(--spacing-md);
}

.lessons-badge {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    margin-top: var(--spacing-md);
    flex-wrap: wrap;
}

.lessons-badge .badge {
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: 0.9rem;
}

/* Categories Grid */
.lessons-categories {
    margin-bottom: var(--spacing-2xl);
}

.lessons-categories h2 {
    font-size: 2rem;
    margin-bottom: var(--spacing-lg);
    color: var(--gray-800);
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.category-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
    border-top: 4px solid var(--jamaica-green);
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    text-align: center;
}

.category-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.category-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
}

.category-card h3 {
    font-size: 1.25rem;
    color: var(--gray-800);
    margin-bottom: var(--spacing-xs);
}

.category-card p {
    color: var(--gray-600);
    font-size: 0.9rem;
    margin-bottom: var(--spacing-sm);
}

.category-stats {
    margin-top: var(--spacing-sm);
    font-size: 0.85rem;
    color: var(--jamaica-green);
    font-weight: 600;
}

/* Lessons Grid */
.lessons-section {
    margin-bottom: var(--spacing-2xl);
}

.lessons-section h2 {
    font-size: 2rem;
    margin-bottom: var(--spacing-lg);
    color: var(--gray-800);
}

.lessons-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.lesson-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.lesson-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.lesson-thumbnail {
    position: relative;
    width: 100%;
    padding-top: 56.25%; /* 16:9 aspect ratio */
    background: var(--gray-200);
    overflow: hidden;
}

.lesson-thumbnail video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.lesson-placeholder {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.35rem;
    background: linear-gradient(135deg, var(--jamaica-green) 0%, var(--jamaica-gold) 100%);
    color: var(--white);
    text-align: center;
    padding: var(--spacing-sm);
}

.lesson-placeholder::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(20, 20, 20, 0.2), rgba(20, 20, 20, 0.45));
}

.lesson-placeholder > * {
    position: relative;
    z-index: 1;
}

.coming-soon-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.3rem 0.75rem;
    border-radius: var(--radius-full);
    border: 1px solid rgba(255, 255, 255, 0.35);
    background: rgba(0, 0, 0, 0.28);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.placeholder-icon {
    font-size: 3rem;
    margin-bottom: 0.1rem;
    filter: drop-shadow(0 6px 14px rgba(0, 0, 0, 0.35));
    animation: float-icon 2.4s ease-in-out infinite;
}

.lesson-placeholder p {
    margin: 0;
}

.coming-soon-title {
    font-size: 1rem;
    font-weight: 600;
}

.coming-soon-subtitle {
    font-size: 0.82rem;
    opacity: 0.9;
}

@keyframes float-icon {
    0%,
    100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-3px);
    }
}

.lesson-level {
    position: absolute;
    top: var(--spacing-xs);
    right: var(--spacing-xs);
    background: rgba(0, 0, 0, 0.7);
    color: var(--white);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-md);
    font-size: 0.75rem;
    font-weight: 600;
}

.lesson-content {
    padding: var(--spacing-md);
}

.lesson-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--spacing-xs);
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.lesson-header h3 {
    font-size: 1.25rem;
    color: var(--gray-800);
    margin: 0;
    flex: 1;
    min-width: 200px;
}

.lesson-category {
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-md);
    font-size: 0.75rem;
    font-weight: 600;
    white-space: nowrap;
}

.lesson-description {
    color: var(--gray-600);
    font-size: 0.95rem;
    margin-bottom: var(--spacing-sm);
    line-height: 1.6;
}

.lesson-meta {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
    flex-wrap: wrap;
}

.lesson-duration {
    font-size: 0.85rem;
    color: var(--gray-600);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.lesson-note {
    margin-top: var(--spacing-sm);
    color: var(--gray-700);
    font-style: normal;
    font-weight: 500;
    background: linear-gradient(90deg, rgba(255, 215, 0, 0.18), rgba(0, 155, 58, 0.12));
    border-left: 4px solid var(--jamaica-gold);
    border-radius: var(--radius-sm);
    padding: 0.4rem 0.55rem;
}

.no-lessons {
    grid-column: 1 / -1;
    text-align: center;
    padding: var(--spacing-xl);
    color: var(--gray-600);
    font-size: 1.1rem;
}

/* Getting Started Section */
.getting-started {
    margin-top: var(--spacing-2xl);
}

.getting-started .card {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.getting-started h2 {
    font-size: 1.75rem;
    color: var(--gray-800);
    margin-bottom: var(--spacing-md);
}

.getting-started p {
    color: var(--gray-600);
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
}

.features-list {
    list-style: none;
    padding: 0;
    margin: var(--spacing-md) 0;
}

.features-list li {
    padding: var(--spacing-sm) 0;
    color: var(--gray-700);
    font-size: 1rem;
    border-bottom: 1px solid var(--gray-200);
}

.features-list li:last-child {
    border-bottom: none;
}

/* Logout Button in Nav */
#logout-btn,
#logout-btn-mobile {
    margin-left: var(--spacing-md);
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: 0.9rem;
}

#logout-btn-mobile {
    margin: var(--spacing-sm) 0;
    width: 100%;
}

/* Category Page Styles */
.category-page {
    padding: var(--spacing-xl) 0;
    background: var(--gray-50);
}

.breadcrumb {
    margin-bottom: var(--spacing-lg);
    font-size: 0.9rem;
    color: var(--gray-600);
}

.breadcrumb a {
    color: var(--jamaica-green);
    text-decoration: none;
}

.breadcrumb a:hover {
    text-decoration: underline;
}

.breadcrumb span {
    margin: 0 var(--spacing-xs);
}

.category-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
    padding: var(--spacing-xl) 0;
}

.category-header-icon {
    font-size: 4rem;
    margin-bottom: var(--spacing-md);
}

.category-header h1 {
    font-size: 2.5rem;
    color: var(--gray-800);
    margin-bottom: var(--spacing-sm);
}

.category-description {
    font-size: 1.1rem;
    color: var(--gray-600);
    max-width: 600px;
    margin: 0 auto;
}

.category-lessons-section {
    margin-bottom: var(--spacing-2xl);
}

.category-lessons-section h2 {
    font-size: 2rem;
    margin-bottom: var(--spacing-lg);
    color: var(--gray-800);
}

.category-lessons-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.back-to-categories {
    text-align: center;
    margin-top: var(--spacing-2xl);
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--gray-200);
}

.no-lessons-card {
    grid-column: 1 / -1;
    text-align: center;
    padding: var(--spacing-2xl);
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.no-lessons-icon {
    font-size: 4rem;
    margin-bottom: var(--spacing-md);
}

.no-lessons-card h3 {
    font-size: 1.5rem;
    color: var(--gray-800);
    margin-bottom: var(--spacing-sm);
}

.no-lessons-card p {
    color: var(--gray-600);
    font-size: 1rem;
}

.categories-intro {
    text-align: center;
    color: var(--gray-600);
    margin-bottom: var(--spacing-lg);
    font-size: 1rem;
}

.category-card {
    text-decoration: none;
    color: inherit;
    display: block;
}

.category-arrow {
    margin-left: var(--spacing-xs);
    font-size: 1.2rem;
    transition: transform 0.3s ease;
}

.category-card:hover .category-arrow {
    transform: translateX(5px);
}

/* Responsive Design */
@media (max-width: 768px) {
    .auth-card {
        padding: var(--spacing-lg);
    }

    .lessons-page .page-header h1 {
        font-size: 2rem;
    }

    .category-header h1 {
        font-size: 2rem;
    }

    .category-header-icon {
        font-size: 3rem;
    }

    .categories-grid {
        grid-template-columns: 1fr;
    }

    .lessons-grid,
    .category-lessons-grid {
        grid-template-columns: 1fr;
    }

    .lesson-header {
        flex-direction: column;
    }

    .lesson-header h3 {
        min-width: auto;
    }
}