/**
 * === JOURNEY.CSS ===
 * /assets/css/journey.css
 * НАЗНАЧЕНИЕ: Стили для карты путешествия - курсы и уроки
 * СВЯЗИ: style.css, components.css
 * РАЗМЕР: ~300 строк
 */

/* ============================================
   COURSES VIEW
   ============================================ */

.courses-view {
    padding: var(--spacing-lg) 0;
}

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

.courses-header h2 {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 600;
    color: var(--color-gold);
    margin-bottom: var(--spacing-xs);
}

.courses-header p {
    color: var(--text-muted);
    font-size: 1.1rem;
}

/* ============================================
   COURSES GRID
   ============================================ */

.courses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

/* ============================================
   COURSE CARD
   ============================================ */

.course-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    cursor: pointer;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.course-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-spiritual);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.course-card:hover {
    transform: translateY(-4px);
    border-color: var(--color-gold-dark);
    box-shadow: var(--shadow-gold);
}

.course-card:hover::before {
    opacity: 1;
}

.course-card.locked {
    opacity: 0.6;
    cursor: not-allowed;
}

.course-card.locked:hover {
    transform: none;
    box-shadow: none;
}

.course-card__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-sm);
}

.course-card__number {
    font-family: var(--font-heading);
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-blue);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.course-card__badge {
    font-size: 0.75rem;
    padding: 4px 10px;
    border-radius: var(--radius-full);
    font-weight: 500;
}

.course-card__badge.premium {
    background: var(--gradient-gold);
    color: var(--text-dark);
}

.course-card__title {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    line-height: 1.3;
}

.course-card__description {
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.5;
    margin-bottom: var(--spacing-md);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.course-card__meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-bottom: var(--spacing-md);
}

.course-card__lessons {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.course-card__lessons svg {
    width: 16px;
    height: 16px;
}

.course-card__progress {
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border-color);
}

.course-card__locked {
    position: absolute;
    inset: 0;
    background: rgba(10, 10, 10, 0.85);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    color: var(--text-muted);
    font-size: 0.9rem;
}

.course-card__locked svg {
    width: 32px;
    height: 32px;
    color: var(--color-gold);
}

/* ============================================
   PROGRESS BAR
   ============================================ */

.progress-bar {
    height: 6px;
    background: var(--bg-secondary);
    border-radius: var(--radius-full);
    overflow: hidden;
    margin-bottom: var(--spacing-xs);
}

.progress-bar__fill {
    height: 100%;
    background: var(--gradient-spiritual);
    border-radius: var(--radius-full);
    transition: width var(--transition-normal);
}

.progress-bar__text {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* ============================================
   LESSONS VIEW
   ============================================ */

.lessons-view {
    padding: var(--spacing-lg) 0;
}

.lessons-header {
    margin-bottom: var(--spacing-xl);
}

.course-info {
    margin-top: var(--spacing-md);
}

.course-number {
    font-size: 0.85rem;
    color: var(--color-blue);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.course-title {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-top: var(--spacing-xs);
}

/* ============================================
   LESSONS LIST
   ============================================ */

.lessons-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.lesson-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-md) var(--spacing-lg);
    cursor: pointer;
    transition: all var(--transition-normal);
}

.lesson-item:hover {
    border-color: var(--color-gold-dark);
    transform: translateX(4px);
}

.lesson-item__number {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    background: var(--bg-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    font-weight: 600;
    color: var(--text-muted);
    flex-shrink: 0;
}

.lesson-item.status-in-progress .lesson-item__number {
    background: var(--color-blue-light);
    color: var(--color-blue);
}

.lesson-item.status-completed .lesson-item__number {
    background: var(--color-success);
    color: white;
}

.lesson-item__content {
    flex: 1;
    min-width: 0;
}

.lesson-item__title {
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.lesson-item__description {
    font-size: 0.85rem;
    color: var(--text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.lesson-item__duration {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 4px;
}

.lesson-item__duration svg {
    width: 14px;
    height: 14px;
}

.lesson-item__status {
    flex-shrink: 0;
}

.lesson-item__status svg {
    width: 24px;
    height: 24px;
    color: var(--text-muted);
}

.lesson-item.status-in-progress .lesson-item__status svg {
    color: var(--color-blue);
}

.lesson-item.status-completed .lesson-item__status svg {
    color: var(--color-success);
}

/* ============================================
   LESSON VIEW
   ============================================ */

.lesson-view {
    padding: var(--spacing-lg) 0;
    max-width: 900px;
    margin: 0 auto;
}

.lesson-header {
    margin-bottom: var(--spacing-xl);
}

.lesson-info {
    margin-top: var(--spacing-md);
}

.lesson-meta {
    font-size: 0.85rem;
    color: var(--color-blue);
    font-weight: 500;
}

.lesson-title {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-top: var(--spacing-xs);
}

/* ============================================
   VIDEO PLAYER
   ============================================ */

.lesson-video {
    margin-bottom: var(--spacing-xl);
}

.video-wrapper {
    position: relative;
    padding-bottom: 56.25%; /* 16:9 */
    height: 0;
    overflow: hidden;
    border-radius: var(--radius-lg);
    background: var(--bg-secondary);
    margin-bottom: var(--spacing-md);
}

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

.video-watched-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    background: rgba(16, 185, 129, 0.1);
    color: var(--color-success);
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    font-weight: 500;
}

.video-watched-badge svg {
    width: 18px;
    height: 18px;
}

/* ============================================
   LESSON CONTENT
   ============================================ */

.lesson-description {
    margin-bottom: var(--spacing-xl);
}

.lesson-description h3 {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.lesson-description p {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ============================================
   LESSON ACTIONS
   ============================================ */

.lesson-actions {
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
}

.lesson-completed-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--gradient-gold);
    color: var(--text-dark);
    border-radius: var(--radius-md);
    font-size: 1.1rem;
    font-weight: 600;
}

.lesson-completed-badge svg {
    width: 24px;
    height: 24px;
}

.lesson-auth-prompt {
    text-align: center;
    padding: var(--spacing-xl);
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
}

.lesson-auth-prompt p {
    color: var(--text-muted);
    margin-bottom: var(--spacing-md);
}

/* ============================================
   BACK BUTTONS
   ============================================ */

.btn-back-to-courses,
.btn-back-to-lessons {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--text-muted);
    font-size: 0.9rem;
    padding: 0;
}

.btn-back-to-courses:hover,
.btn-back-to-lessons:hover {
    color: var(--color-gold);
}

.btn-back-to-courses svg,
.btn-back-to-lessons svg {
    width: 18px;
    height: 18px;
}

/* ============================================
   RESPONSIVE
   ============================================ */

/* ============================================
   LOADING PLACEHOLDER
   ============================================ */

.loading-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl);
    grid-column: 1 / -1;
}

.loading-placeholder .loader-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border-color);
    border-top-color: var(--color-gold);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ============================================
   EMPTY STATE
   ============================================ */

.empty-state {
    text-align: center;
    padding: var(--spacing-xl);
    color: var(--text-muted);
    grid-column: 1 / -1;
}

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 768px) {
    .courses-grid {
        grid-template-columns: 1fr;
    }

    .courses-header h2 {
        font-size: 2rem;
    }

    .course-title,
    .lesson-title {
        font-size: 1.5rem;
    }

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

    .lesson-item__number {
        width: 32px;
        height: 32px;
        font-size: 0.9rem;
    }
}