/* ============================================
   OVKBlog — Курсы и ЛК ученика
   ============================================ */

/* === Каталог курсов === */
.courses-header {
    text-align: center;
    margin-bottom: 50px;
}
.courses-header h1 {
    font-family: 'Cinzel', serif;
    font-size: 2.2rem;
    color: var(--red-title, #6436ff);
    text-shadow: 0 0 12px rgba(107,29,138,0.4);
    margin: 0 0 12px 0;
}
.courses-header p {
    color: #999;
    font-size: 1.05rem;
    max-width: 500px;
    margin: 0 auto;
}

.courses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 30px;
}

.course-card {
    background: rgba(107,29,138,0.06);
    border: 1px solid rgba(107,29,138,0.15);
    border-radius: 16px;
    overflow: hidden;
    transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
    text-decoration: none;
    color: inherit;
    display: block;
}
.course-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 40px rgba(107,29,138,0.25);
    border-color: rgba(107,29,138,0.4);
}

.course-card-img {
    width: 100%;
    height: 200px;
    overflow: hidden;
}
.course-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s;
}
.course-card:hover .course-card-img img {
    transform: scale(1.05);
}
.course-card-placeholder {
    width: 100%;
    height: 200px;
    background: linear-gradient(135deg, rgba(107,29,138,0.3), rgba(155,77,202,0.15));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 56px;
}

.course-card-body {
    padding: 24px;
}
.course-badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.78rem;
    background: rgba(107,29,138,0.12);
    color: var(--purple-light, #b44de0);
    margin-bottom: 12px;
}
.course-card-body h2 {
    font-family: 'Cinzel', serif;
    font-size: 1.3rem;
    color: #eee;
    margin: 0 0 10px 0;
    line-height: 1.4;
}
.course-card-body .desc {
    color: #999;
    font-size: 0.92rem;
    line-height: 1.6;
    margin: 0 0 20px 0;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.course-price {
    display: flex;
    align-items: baseline;
    gap: 10px;
}
.course-price-current {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--red-title, #6436ff);
}
.course-price-old {
    font-size: 1rem;
    color: #666;
    text-decoration: line-through;
}

.courses-empty {
    text-align: center;
    padding: 80px 20px;
    color: #666;
}
.courses-empty .icon {
    font-size: 48px;
    margin-bottom: 15px;
}


/* === Страница курса (лендинг) === */
.course-layout {
    display: grid;
    grid-template-columns: 1fr 360px;
    gap: 40px;
    align-items: start;
}

.breadcrumb {
    margin-bottom: 30px;
    font-size: 0.88rem;
    color: #666;
}
.breadcrumb a {
    color: #888;
    text-decoration: none;
}
.breadcrumb .active {
    color: var(--purple-light, #b44de0);
}

.course-hero-img {
    width: 100%;
    border-radius: 16px;
    overflow: hidden;
    margin-bottom: 30px;
    border: 1px solid rgba(107,29,138,0.15);
}
.course-hero-img img {
    width: 100%;
    display: block;
}

.course-title {
    font-family: 'Cinzel', serif;
    font-size: 2rem;
    color: #eee;
    margin: 0 0 15px 0;
    line-height: 1.3;
}
.course-meta {
    display: flex;
    gap: 20px;
    margin-bottom: 25px;
    flex-wrap: wrap;
}
.course-meta span {
    color: #999;
    font-size: 0.9rem;
}
.course-description {
    color: #bbb;
    font-size: 1rem;
    line-height: 1.8;
    margin-bottom: 40px;
    white-space: pre-wrap;
}

/* Программа */
.program-title {
    font-family: 'Cinzel', serif;
    font-size: 1.5rem;
    color: var(--red-title, #6436ff);
    margin: 0 0 20px 0;
    text-shadow: 0 0 8px rgba(107,29,138,0.3);
}

.module-card {
    background: rgba(107,29,138,0.05);
    border: 1px solid rgba(107,29,138,0.12);
    border-radius: 12px;
    margin-bottom: 12px;
    overflow: hidden;
}
.module-header {
    padding: 16px 20px;
    display: flex;
    align-items: center;
    gap: 12px;
}
.module-number {
    background: linear-gradient(135deg, #6b1d8a, #9b4dca);
    color: #fff;
    width: 32px;
    height: 32px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    font-weight: 700;
    flex-shrink: 0;
}
.module-title {
    color: #ddd;
    font-size: 1.05rem;
    font-weight: 600;
    flex: 1;
}
.module-lessons-count {
    color: #666;
    font-size: 0.82rem;
}
.module-lessons {
    border-top: 1px solid rgba(107,29,138,0.08);
}
.lesson-row {
    padding: 12px 20px 12px 64px;
    display: flex;
    align-items: center;
    gap: 10px;
    border-top: 1px solid rgba(255,255,255,0.03);
}
.lesson-row-orphan {
    padding: 12px 20px;
    display: flex;
    align-items: center;
    gap: 10px;
    border-top: 1px solid rgba(255,255,255,0.03);
}
.lesson-bullet {
    color: #666;
    font-size: 0.85rem;
}
.lesson-name {
    color: #aaa;
    font-size: 0.92rem;
    flex: 1;
}
.lesson-duration {
    color: #555;
    font-size: 0.8rem;
}
.lesson-free-badge {
    background: rgba(107,29,138,0.15);
    color: var(--purple-light, #b44de0);
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 0.72rem;
}

/* Пробные уроки */
.free-lesson-link {
    text-decoration: none;
    display: block;
    margin-bottom: 10px;
}
.free-lesson-link .free-lesson-card {
    background: rgba(107,29,138,0.06);
    border: 1px solid rgba(107,29,138,0.12);
    border-radius: 10px;
    padding: 14px 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    transition: border-color 0.3s;
}
.free-lesson-link:hover .free-lesson-card {
    border-color: rgba(107,29,138,0.4);
}
.free-lesson-play {
    font-size: 1.3rem;
}

/* Боковая панель покупки */
.course-sidebar {
    position: sticky;
    top: 20px;
}
.course-buy-card {
    background: rgba(20,20,20,0.9);
    border: 1px solid rgba(107,29,138,0.2);
    border-radius: 16px;
    padding: 28px;
    backdrop-filter: blur(10px);
}
.course-buy-card .old-price {
    font-size: 1.1rem;
    color: #666;
    text-decoration: line-through;
    display: block;
    margin-bottom: 4px;
}
.course-buy-card .price {
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--red-title, #6436ff);
    margin-bottom: 20px;
}
.promo-input {
    width: 100%;
    padding: 10px 14px;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(107,29,138,0.15);
    border-radius: 8px;
    color: #ddd;
    font-size: 0.92rem;
    outline: none;
    box-sizing: border-box;
    transition: border-color 0.3s;
}
.promo-input:focus {
    border-color: rgba(107,29,138,0.4);
}
.promo-result {
    margin-top: 6px;
    font-size: 0.82rem;
    display: none;
}
.promo-result.success { color: #8fbc8f; display: block; }
.promo-result.error { color: #cd5c5c; display: block; }

.btn-buy {
    display: block;
    padding: 16px;
    text-align: center;
    background: linear-gradient(135deg, #6b1d8a, #9b4dca);
    color: #fff;
    text-decoration: none;
    border-radius: 10px;
    font-size: 1.1rem;
    font-weight: 600;
    transition: opacity 0.3s;
    margin-bottom: 20px;
}
.btn-buy:hover { opacity: 0.85; }

.btn-go-course {
    display: block;
    padding: 14px;
    text-align: center;
    background: linear-gradient(135deg, #2d6a2d, #3d8b3d);
    color: #fff;
    text-decoration: none;
    border-radius: 10px;
    font-size: 1rem;
}

.course-buy-info {
    border-top: 1px solid rgba(107,29,138,0.1);
    padding-top: 18px;
    margin-top: 10px;
}
.course-buy-info-row {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #888;
    font-size: 0.88rem;
    margin-bottom: 10px;
}
.course-buy-info-row:last-child { margin-bottom: 0; }

.purchased-label {
    text-align: center;
}
.purchased-icon { font-size: 48px; margin-bottom: 12px; }
.purchased-text { color: #8fbc8f; font-size: 1.1rem; margin-bottom: 8px; }
.purchased-until { color: #666; font-size: 0.88rem; margin-bottom: 20px; }
.auth-hint { text-align: center; color: #666; font-size: 0.82rem; }
.auth-hint a { color: var(--purple-light, #b44de0); text-decoration: none; }


/* === ЛК — Мои курсы === */
.lk-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 24px;
}

.lk-course-card {
    background: rgba(107,29,138,0.06);
    border: 1px solid rgba(107,29,138,0.12);
    border-radius: 14px;
    overflow: hidden;
    text-decoration: none;
    color: inherit;
    display: block;
    transition: border-color 0.3s, transform 0.2s;
}
.lk-course-card:hover {
    border-color: rgba(107,29,138,0.35);
    transform: translateY(-3px);
}

.lk-card-img {
    width: 100%;
    height: 160px;
    overflow: hidden;
}
.lk-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.lk-card-placeholder {
    width: 100%;
    height: 160px;
    background: linear-gradient(135deg, rgba(107,29,138,0.25), rgba(155,77,202,0.1));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 40px;
}

.lk-card-body {
    padding: 20px;
}
.lk-card-title {
    font-family: 'Cinzel', serif;
    font-size: 1.15rem;
    color: #ddd;
    margin: 0 0 12px 0;
}

/* Прогресс-бар */
.progress-bar-wrap {
    background: rgba(255,255,255,0.06);
    border-radius: 6px;
    height: 8px;
    margin-bottom: 8px;
    overflow: hidden;
}
.progress-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, #6b1d8a, #9b4dca);
    border-radius: 6px;
    transition: width 0.4s;
}
.progress-text {
    display: flex;
    justify-content: space-between;
    font-size: 0.8rem;
    color: #777;
    margin-bottom: 12px;
}

.lk-card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.82rem;
    color: #666;
}
.lk-days-left { color: var(--purple-light, #b44de0); }
.lk-days-expired { color: #cd5c5c; }


/* === ЛК — Курс (модули + уроки) === */
.lk-course-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    flex-wrap: wrap;
    gap: 15px;
}
.lk-course-title {
    font-family: 'Cinzel', serif;
    font-size: 1.8rem;
    color: #eee;
    margin: 0;
}
.lk-course-stats {
    display: flex;
    gap: 15px;
    align-items: center;
    flex-wrap: wrap;
}
.lk-stat-badge {
    padding: 6px 14px;
    background: rgba(107,29,138,0.1);
    border-radius: 20px;
    font-size: 0.85rem;
    color: #aaa;
}

.lk-module-card {
    background: rgba(107,29,138,0.04);
    border: 1px solid rgba(107,29,138,0.1);
    border-radius: 12px;
    margin-bottom: 14px;
    overflow: hidden;
}
.lk-module-header {
    padding: 14px 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
    user-select: none;
    transition: background 0.2s;
}
.lk-module-header:hover {
    background: rgba(107,29,138,0.06);
}
.lk-lesson-row {
    padding: 12px 20px 12px 64px;
    display: flex;
    align-items: center;
    gap: 10px;
    border-top: 1px solid rgba(255,255,255,0.03);
    text-decoration: none;
    color: inherit;
    transition: background 0.2s;
}
.lk-lesson-row:hover {
    background: rgba(107,29,138,0.06);
}
.lk-lesson-check {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    border: 2px solid rgba(107,29,138,0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 0.7rem;
    color: transparent;
    transition: all 0.3s;
}
.lk-lesson-check.completed {
    background: linear-gradient(135deg, #6b1d8a, #9b4dca);
    border-color: #9b4dca;
    color: #fff;
}
.lk-lesson-name {
    flex: 1;
    font-size: 0.92rem;
    color: #bbb;
}
.lk-lesson-name.active {
    color: #fff;
    font-weight: 600;
}
.lk-lesson-duration {
    color: #555;
    font-size: 0.8rem;
}


/* === ЛК — Урок (видео) === */
.lk-lesson-header {
    margin-bottom: 20px;
}
.lk-lesson-breadcrumb {
    font-size: 0.85rem;
    color: #666;
    margin-bottom: 10px;
}
.lk-lesson-breadcrumb a {
    color: #888;
    text-decoration: none;
}
.lk-lesson-page-title {
    font-family: 'Cinzel', serif;
    font-size: 1.6rem;
    color: #eee;
    margin: 0 0 8px 0;
}
.lk-lesson-page-meta {
    color: #777;
    font-size: 0.88rem;
}

.video-container {
    width: 100%;
    max-width: 900px;
    margin: 0 auto 30px;
    border-radius: 12px;
    overflow: hidden;
    background: #000;
    border: 1px solid rgba(107,29,138,0.15);
    aspect-ratio: 16/9;
}
.video-container video {
    width: 100%;
    height: 100%;
    display: block;
}

.lesson-content {
    max-width: 900px;
    margin: 0 auto 40px;
    color: #bbb;
    font-size: 1rem;
    line-height: 1.8;
}
.lesson-content h1, .lesson-content h2, .lesson-content h3 {
    color: #ddd;
    font-family: 'Cinzel', serif;
    margin: 25px 0 12px 0;
}
.lesson-content p { margin: 0 0 12px 0; }

.lesson-nav {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    gap: 20px;
    flex-wrap: wrap;
}
.lesson-nav-btn {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 24px;
    background: rgba(107,29,138,0.08);
    border: 1px solid rgba(107,29,138,0.15);
    border-radius: 10px;
    color: #bbb;
    text-decoration: none;
    font-size: 0.92rem;
    transition: border-color 0.3s;
    flex: 1;
    min-width: 200px;
}
.lesson-nav-btn:hover {
    border-color: rgba(107,29,138,0.4);
    color: #fff;
}
.lesson-nav-btn.next {
    justify-content: flex-end;
    text-align: right;
}
.lesson-nav-label {
    font-size: 0.78rem;
    color: #666;
    display: block;
}
.lesson-nav-title {
    color: inherit;
}

.btn-complete-lesson {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: 10px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: opacity 0.3s;
    margin: 20px 0;
}
.btn-complete-lesson:hover { opacity: 0.85; }
.btn-complete-lesson.not-completed {
    background: linear-gradient(135deg, #6b1d8a, #9b4dca);
    color: #fff;
}
.btn-complete-lesson.completed {
    background: rgba(143,188,143,0.15);
    color: #8fbc8f;
    border: 1px solid rgba(143,188,143,0.3);
}


/* === Платежи — страницы === */
.payment-result {
    text-align: center;
    padding: 80px 20px;
}
.payment-result .icon { font-size: 64px; margin-bottom: 20px; }
.payment-result h1 {
    font-family: 'Cinzel', serif;
    font-size: 2rem;
    color: var(--red-title, #6436ff);
    margin: 0 0 15px 0;
}
.payment-result p { color: #999; margin-bottom: 25px; }
.payment-result a {
    display: inline-block;
    padding: 12px 28px;
    background: linear-gradient(135deg, #6b1d8a, #9b4dca);
    color: #fff;
    text-decoration: none;
    border-radius: 10px;
    transition: opacity 0.3s;
}
.payment-result a:hover { opacity: 0.85; }


/* === Нет доступа === */
.no-access {
    text-align: center;
    padding: 60px 20px;
}
.no-access .icon { font-size: 64px; margin-bottom: 20px; }
.no-access h2 {
    color: var(--red-title, #6436ff);
    margin: 0 0 15px 0;
}
.no-access p {
    color: #aaa;
    font-size: 1.1rem;
    margin-bottom: 30px;
    line-height: 1.6;
}
.no-access .btn {
    display: inline-block;
    padding: 14px 32px;
    background: linear-gradient(135deg, #6b1d8a, #9b4dca);
    color: #fff;
    text-decoration: none;
    border-radius: 8px;
    font-size: 1rem;
    transition: opacity 0.3s;
}
.no-access .btn:hover { opacity: 0.85; }
.no-access .back-link {
    margin-top: 40px;
}
.no-access .back-link a {
    color: #888;
    text-decoration: none;
}


/* === Адаптив === */
@media (max-width: 768px) {
    .course-layout {
        grid-template-columns: 1fr;
    }
    .course-sidebar {
        position: static;
    }
    .courses-grid {
        grid-template-columns: 1fr;
    }
    .lk-grid {
        grid-template-columns: 1fr;
    }
    .lk-lesson-nav {
        flex-direction: column;
    }
    .lesson-nav-btn {
        min-width: auto;
    }
}