/* ================================================
   YT Series Player — Frontend Styles
   ================================================ */

:root {
    --ytsp-bg:           #0f0f0f;
    --ytsp-surface:      #1a1a1a;
    --ytsp-surface-2:    #242424;
    --ytsp-border:       #2e2e2e;
    --ytsp-accent:       #ff4444;
    --ytsp-accent-soft:  rgba(255, 68, 68, 0.15);
    --ytsp-text:         #e8e8e8;
    --ytsp-text-muted:   #888;
    --ytsp-text-subtle:  #555;
    --ytsp-radius:       6px;
    --ytsp-radius-lg:    10px;
    --ytsp-font:         'Georgia', 'Times New Roman', serif;
    --ytsp-font-ui:      system-ui, -apple-system, sans-serif;
    --ytsp-transition:   0.2s ease;
}

/* ── Wrapper ── */
.ytsp-wrap {
    background:    var(--ytsp-bg);
    color:         var(--ytsp-text);
    font-family:   var(--ytsp-font-ui);
    border-radius: var(--ytsp-radius-lg);
    padding:       2rem;
    max-width:     100%;
    box-sizing:    border-box;
}

.ytsp-main-title {
    font-family:   var(--ytsp-font);
    font-size:     1.6rem;
    font-weight:   700;
    color:         var(--ytsp-text);
    margin:        0 0 1.5rem 0;
    letter-spacing: -0.02em;
    border-left:   3px solid var(--ytsp-accent);
    padding-left:  0.75rem;
}

/* ── Error ── */
.ytsp-error {
    color:       var(--ytsp-accent);
    font-family: var(--ytsp-font-ui);
    padding:     1rem;
    border:      1px solid var(--ytsp-accent);
    border-radius: var(--ytsp-radius);
}

/* ── Featured Player ── */
/* .ytsp-featured {
    position:      relative;
    margin-bottom: 2rem;
} */

/* ── Featured Player ── */
.ytsp-featured {
    position:      relative;
    margin-bottom: 2rem;
    display:       flex;
    flex-direction: column;
    align-items:   center;
}

.ytsp-player-outer {
    width:      75%;
    min-width:  280px;  /* doesn't get too tiny on mobile */
}

.ytsp-player-wrap {
    position:       relative;
    padding-bottom: 56.25%; /* 16:9 ratio */
    height:         0;
    overflow:       hidden;
    border-radius:  var(--ytsp-radius-lg);
    background:     #000;
    width:          100%;
}

.ytsp-player-wrap iframe {
    position: absolute;
    top:      0;
    left:     0;
    width:    100%;
    height:   100%;
    border:   0;
}

.ytsp-featured-meta {
    width:       75%;
    min-width:   280px;
    display:     inline-flex;
    /* flex-wrap:   wrap; */
    align-items: baseline;
    gap:         0.5rem 1rem;
    margin-top:  0.85rem;
}

@media (max-width: 768px) {
    .ytsp-player-outer,
    .ytsp-featured-meta {
        width:     100%;
        min-width: unset;
    }
}

.ytsp-live-badge {
    display:       inline-flex;
    align-items:   center;
    gap:           0.4em;
    background:    var(--ytsp-accent);
    color:         #fff;
    font-size:     0.72rem;
    font-weight:   700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding:       0.25em 0.65em;
    border-radius: var(--ytsp-radius);
    margin-bottom: 0.6rem;
    animation:     ytsp-pulse 2s infinite;
}

@keyframes ytsp-pulse {
    0%, 100% { opacity: 1; }
    50%       { opacity: 0.6; }
}

/* .ytsp-player-wrap {
    position:       relative;
    padding-bottom: 56.25%;
    height:         0;
    overflow:       hidden;
    border-radius:  var(--ytsp-radius-lg);
    background:     #000;
} */

.ytsp-player-wrap iframe {
    position: absolute;
    top:      0;
    left:     0;
    width:    100%;
    height:   100%;
    border:   0;
}

.ytsp-featured-meta {
    display:     inline-flex;
    /* flex-wrap:   wrap; */
    align-items: baseline;
    gap:         0.5rem 1rem;
    margin-top:  0.85rem;
}

.ytsp-featured-title {
    font-family: var(--ytsp-font);
    font-size:   1.15rem;
    font-weight: 700;
    margin:      0;
    flex:        1 1 100%;
    color:       var(--ytsp-text);
    float: right;
}

.ytsp-featured-series {
    font-size:    0.78rem;
    font-weight:  600;
    color:        var(--ytsp-accent);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    text-wrap: nowrap !important;
}

.ytsp-featured-date {
    font-size: 0.9rem;
    color:     var(--ytsp-text-muted);
    text-wrap: nowrap !important;
    font-weight: 900 !important;
    color: #fff !important;
}

/* ── Section Heading ── */
.ytsp-section {
    margin-bottom: 2rem;
}

.ytsp-section-title {
    font-family:   var(--ytsp-font);
    font-size:     1.1rem;
    font-weight:   700;
    color:         var(--ytsp-text);
    margin:        0 0 1rem 0;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--ytsp-border);
}

/* ── Grid ── */
.ytsp-grid {
    display: grid;
    gap:     1rem;
}

.ytsp-grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.ytsp-grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.ytsp-grid-cols-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 768px) {
    .ytsp-grid-cols-3,
    .ytsp-grid-cols-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 480px) {
    .ytsp-grid { grid-template-columns: 1fr; }
    .ytsp-wrap { padding: 1rem; }
}

/* ── Thumbnail Card ── */
.ytsp-thumb {
    background:    var(--ytsp-surface);
    border-radius: var(--ytsp-radius);
    overflow:      hidden;
    cursor:        pointer;
    border:        1px solid var(--ytsp-border);
    transition:    transform var(--ytsp-transition),
                   border-color var(--ytsp-transition),
                   box-shadow var(--ytsp-transition);
}

.ytsp-thumb:hover,
.ytsp-thumb:focus {
    transform:    translateY(-2px);
    border-color: var(--ytsp-accent);
    box-shadow:   0 6px 20px rgba(0,0,0,0.4);
    outline:      none;
}

.ytsp-thumb--active {
    border-color: var(--ytsp-accent);
    box-shadow:   0 0 0 2px var(--ytsp-accent-soft);
}

.ytsp-thumb-img-wrap {
    position: relative;
    overflow: hidden;
    aspect-ratio: 16 / 9;
    background: #000;
}

.ytsp-thumb-img-wrap img {
    width:      100%;
    height:     100%;
    object-fit: cover;
    display:    block;
    transition: transform 0.3s ease;
}

.ytsp-thumb:hover .ytsp-thumb-img-wrap img {
    transform: scale(1.04);
}

.ytsp-play-icon {
    position:    absolute;
    inset:       0;
    display:     flex;
    align-items: center;
    justify-content: center;
    font-size:   2rem;
    color:       #fff;
    background:  rgba(0,0,0,0.3);
    opacity:     0;
    transition:  opacity var(--ytsp-transition);
}

.ytsp-thumb:hover .ytsp-play-icon,
.ytsp-thumb:focus .ytsp-play-icon {
    opacity: 1;
}

.ytsp-thumb-meta {
    padding: 0.65rem 0.75rem 0.75rem;
}

.ytsp-thumb-title {
    font-size:     0.85rem;
    font-weight:   600;
    color:         var(--ytsp-text);
    margin:        0 0 0.3rem 0;
    line-height:   1.35;
    display:       -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow:      hidden;
}

.ytsp-thumb-series {
    font-size:    0.72rem;
    font-weight:  600;
    color:        var(--ytsp-accent);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin:       0 0 0.2rem 0;
}

.ytsp-thumb-date {
    font-size: 0.72rem;
    color:     var(--ytsp-text-muted);
    margin:    0;
}

/* ── Previous Series / Collapsible ── */
.ytsp-previous-series {
    margin-top: 2rem;
}

.ytsp-previous-heading {
    font-family:   var(--ytsp-font);
    font-size:     1.1rem;
    font-weight:   700;
    color:         var(--ytsp-text);
    margin:        0 0 1rem 0;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--ytsp-border);
}

.ytsp-series-block {
    margin-bottom: 0.5rem;
    border:        1px solid var(--ytsp-border);
    border-radius: var(--ytsp-radius);
    overflow:      hidden;
}

.ytsp-series-toggle {
    display:         flex;
    align-items:     center;
    justify-content: space-between;
    width:           100%;
    background:      var(--ytsp-surface);
    border:          none;
    padding:         0.85rem 1rem;
    cursor:          pointer;
    color:           var(--ytsp-text);
    font-family:     var(--ytsp-font-ui);
    font-size:       0.9rem;
    font-weight:     600;
    text-align:      left;
    gap:             0.75rem;
    transition:      background var(--ytsp-transition);
}

.ytsp-series-toggle:hover {
    background: var(--ytsp-surface-2);
}

.ytsp-toggle-title {
    flex: 1;
}

.ytsp-toggle-count {
    font-size:  0.75rem;
    color:      var(--ytsp-text-muted);
    font-weight: 400;
    white-space: nowrap;
}

.ytsp-toggle-icon {
    width:        18px;
    height:       18px;
    flex-shrink:  0;
    position:     relative;
    border:       2px solid var(--ytsp-text-subtle);
    border-radius: 50%;
    transition:   border-color var(--ytsp-transition), transform var(--ytsp-transition);
}

.ytsp-toggle-icon::before,
.ytsp-toggle-icon::after {
    content:    '';
    position:   absolute;
    background: var(--ytsp-text-subtle);
    transition: background var(--ytsp-transition);
}

/* Plus icon */
.ytsp-toggle-icon::before {
    width:  2px;
    height: 8px;
    top:    3px;
    left:   6px;
}

.ytsp-toggle-icon::after {
    width:  8px;
    height: 2px;
    top:    6px;
    left:   3px;
}

/* Rotate to minus when expanded */
.ytsp-series-toggle[aria-expanded="true"] .ytsp-toggle-icon {
    border-color: var(--ytsp-accent);
    transform:    rotate(45deg);
}

.ytsp-series-toggle[aria-expanded="true"] .ytsp-toggle-icon::before,
.ytsp-series-toggle[aria-expanded="true"] .ytsp-toggle-icon::after {
    background: var(--ytsp-accent);
}

.ytsp-series-content {
    padding: 1rem;
    background: var(--ytsp-bg);
    border-top: 1px solid var(--ytsp-border);
}