/* ═══════════════════════════════════════════════
 *  Homepage — Course Sections & Card Styles
 *  File: assets/css/homepage.css
 *  Updated: 5 Jun 2026 — v3 fix touch + border
 * ═══════════════════════════════════════════════ */

/* ── จุดที่ 1: เว้นระยะ Counter ↔ Section แรก ── */
.course-sections-area {
    padding-top: 2.5rem;
}

/* ── Section Header ── */
.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.25rem;
}
.section-header h4 {
    font-weight: 600;
    margin-bottom: 0;
}
.section-header .section-view-all {
    font-size: 0.9rem;
    font-weight: 500;
    white-space: nowrap;
    text-decoration: none;
}
.section-header .section-view-all:hover {
    text-decoration: underline;
}

/* ═══════════════════════════════════════════════
 *  Card — เงาขอบชัด + border
 * ═══════════════════════════════════════════════ */
.course-card {
    border-radius: 0.75rem;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    margin: 0 auto;
    border: 1px solid rgba(0, 0, 0, 0.08);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08),
                0 1px 3px rgba(0, 0, 0, 0.06);
    background: #fff;
}
.course-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.14),
                0 2px 8px rgba(0, 0, 0, 0.08) !important;
}

/* ═══════════════════════════════════════════════
 *  Fix: ป้องกัน border/shadow ถูก overflow:hidden ตัด
 *  tns-outer ต้อง overflow:hidden เพื่อซ่อน slide ที่เลยขอบ
 *  แต่ shadow/border ด้านล่างและซ้ายสุดจะถูกตัด
 *  แก้: เพิ่ม padding ใน tns-outer แล้ว margin ลบกลับ
 * ═══════════════════════════════════════════════ */

/*
 * .tns-ovh มี overflow:hidden ซึ่งตัด shadow/border ของ card
 * แก้: เพิ่ม padding ให้มีพื้นที่แสดง shadow
 *      ใช้ negative margin ดึงกลับให้ card ยังตรงแนวกับ section header
 */
.course-slider-wrapper .tns-ovh {
    padding: 4px 12px 14px 12px;
    margin: -4px -12px -14px -12px;
}

/* ── Thumbnail ── */
.course-card-thumb {
    position: relative;
    overflow: hidden;
    aspect-ratio: 16 / 9;
    background: #f0f0f0;
    border-radius: 0.75rem 0.75rem 0 0;
}
.course-card-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}
.course-card:hover .course-card-thumb img {
    transform: scale(1.04);
}

/* ── Certificate Badge (pill) ── */
.course-badge-cert {
    position: absolute;
    top: 10px;
    left: 10px;
    background: rgba(25, 135, 84, 0.9);
    color: #fff;
    font-size: 0.72rem;
    font-weight: 600;
    padding: 3px 10px;
    border-radius: 20px;
    z-index: 2;
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    gap: 4px;
}

/* ── Free Badge (bottom-left) ── */
.course-badge-free {
    position: absolute;
    bottom: 10px;
    left: 10px;
    background: #198754;
    color: #fff;
    font-size: 0.72rem;
    font-weight: 600;
    padding: 2px 10px;
    border-radius: 20px;
    z-index: 2;
    letter-spacing: 0.3px;
}

/* ── Wishlist Heart (top-right) ── */
.course-btn-wish {
    position: absolute;
    top: 10px;
    right: 10px;
    background: rgba(255, 255, 255, 0.9);
    border: none;
    width: 34px;
    height: 34px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    color: #6c757d;
    cursor: pointer;
    z-index: 3;
    transition: all 0.2s ease;
    backdrop-filter: blur(4px);
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}
.course-btn-wish:hover {
    color: #dc3545;
    transform: scale(1.1);
}
.course-btn-wish.active {
    color: #dc3545;
    background: rgba(255, 255, 255, 0.95);
}
.course-btn-wish.active i {
    animation: wishPop 0.3s ease;
}
@keyframes wishPop {
    0%   { transform: scale(1); }
    50%  { transform: scale(1.3); }
    100% { transform: scale(1); }
}

/* ── Title — ขนาดใหญ่ ── */
.course-card-title {
    font-size: 1.05rem;
    font-weight: 600;
    line-height: 1.45;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    min-height: 3.05em;
}
.course-card-title a {
    text-decoration: none;
}
.course-card-title a:hover {
    color: var(--bs-primary) !important;
}

/* ── Avatar ── */
.course-card-avatar {
    width: 38px;
    height: 38px;
    object-fit: cover;
    border: 2px solid #e9ecef;
}

/* ── Instructor Name & Tagline ── */
.course-card-instructor {
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--bs-body-color);
    line-height: 1.3;
}
.course-card-tagline {
    font-size: 0.73rem;
    color: #6c757d;
    line-height: 1.3;
}

/* ── Duration / Watch Limit ── */
.course-card-limits {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}
.course-card-limits span {
    font-size: 0.73rem;
    color: #6c757d;
    background: #f8f9fa;
    padding: 2px 8px;
    border-radius: 4px;
}

/* ── Price ── */
.course-card-price {
    display: flex;
    align-items: baseline;
    gap: 8px;
    flex-wrap: wrap;
}
.course-price-current {
    font-size: 1.05rem;
    font-weight: 700;
    color: #dc3545;
}
.course-price-current.text-success {
    color: #198754 !important;
}
.course-price-original {
    font-size: 0.82rem;
    color: #adb5bd;
    text-decoration: line-through;
}
.course-card-meta-inline {
    font-size: 0.78rem;
    color: #6c757d;
    margin-left: auto;
    white-space: nowrap;
}

/* ═══════════════════════════════════════════════
 *  Personal Section (Continue Learning / Wishlist)
 * ═══════════════════════════════════════════════ */
.personal-section-header {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border-radius: 0.75rem;
    padding: 1rem 1.25rem;
    margin-bottom: 1rem;
}
.personal-section-header h4 {
    margin-bottom: 0;
}
.personal-section-header i {
    font-size: 1.2rem;
}

/* ═══════════════════════════════════════════════
 *  Slider Arrows — semi-transparent,
 *  ซ่อนเมื่อ disabled, เด่นขึ้นเมื่อ hover/active
 * ═══════════════════════════════════════════════ */
.course-slider-wrapper {
    position: relative;
}
.course-slider-wrapper .tns-controls {
    z-index: 5;
}
.course-slider-wrapper .tns-controls button {
    position: absolute;
    top: 50%;
    transform: translateY(-80%);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: none;
    background: rgba(0, 0, 0, 0.15);
    color: #fff;
    font-size: 0.9rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 10;
    /* ── ค่าเริ่มต้น: เห็นลางๆ ── */
    opacity: 0.45;
    transition: opacity 0.3s ease, background 0.3s ease, transform 0.3s ease;
}
.course-slider-wrapper .tns-controls button:first-child {
    left: 8px;
}
.course-slider-wrapper .tns-controls button:last-child {
    right: 8px;
}

/* ── Hover / Active: เด่นชัดขึ้น ── */
.course-slider-wrapper .tns-controls button:hover {
    opacity: 0.9;
    background: rgba(0, 0, 0, 0.45);
}
.course-slider-wrapper .tns-controls button:active {
    opacity: 1;
    background: rgba(0, 0, 0, 0.55);
    transform: translateY(-80%) scale(0.95);
}

/* ── Disabled: ซ่อนลูกศร ── */
.course-slider-wrapper .tns-controls button[disabled] {
    opacity: 0 !important;
    pointer-events: none;
    visibility: hidden;
}

/* ── ซ่อน dots ── */
.course-slider-wrapper .tns-nav {
    display: none !important;
}

/* ═══════════════════════════════════════════════
 *  Dark Mode
 * ═══════════════════════════════════════════════ */
[data-bs-theme="dark"] .course-card {
    background: var(--bs-body-bg);
    border-color: rgba(255,255,255,0.1);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.25),
                0 1px 3px rgba(0, 0, 0, 0.15);
}
[data-bs-theme="dark"] .course-card:hover {
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.35),
                0 2px 8px rgba(0, 0, 0, 0.2) !important;
}
[data-bs-theme="dark"] .course-card-thumb {
    background: #1a1a2e;
}
[data-bs-theme="dark"] .course-badge-cert {
    background: rgba(25, 135, 84, 0.85);
}
[data-bs-theme="dark"] .course-btn-wish {
    background: rgba(33, 37, 41, 0.85);
    color: #adb5bd;
}
[data-bs-theme="dark"] .course-btn-wish.active {
    color: #dc3545;
    background: rgba(33, 37, 41, 0.9);
}
[data-bs-theme="dark"] .course-card-limits span {
    background: rgba(255,255,255,0.06);
    color: #adb5bd;
}
[data-bs-theme="dark"] .course-card-avatar {
    border-color: rgba(255,255,255,0.1);
}
[data-bs-theme="dark"] .personal-section-header {
    background: linear-gradient(135deg, rgba(255,255,255,0.03) 0%, rgba(255,255,255,0.06) 100%);
}
[data-bs-theme="dark"] .course-slider-wrapper .tns-controls button {
    background: rgba(255, 255, 255, 0.15);
    color: #fff;
}
[data-bs-theme="dark"] .course-slider-wrapper .tns-controls button:hover {
    background: rgba(255, 255, 255, 0.35);
}

/* ═══════════════════════════════════════════════
 *  Responsive
 * ═══════════════════════════════════════════════ */
@media (max-width: 575.98px) {
    .course-slider-wrapper .tns-controls button {
        width: 34px;
        height: 34px;
        font-size: 0.8rem;
    }
    .section-header h4 {
        font-size: 1.1rem;
    }
    .course-sections-area {
        padding-top: 1.5rem;
    }
}