:root {
    --bg-elevated: #121214;
    --card: #18181b;
    --card-hover: #1f1f23;
    --text: #f4f4f5;
    --text-secondary: #a1a1aa;
    --text-muted: #71717a;
    --accent: #6366f1;
    --accent-hover: #4f46e5;
    --accent-glow: rgba(99, 102, 241, 0.15);
    --border: rgba(255, 255, 255, 0.08);
    --border-hover: rgba(255, 255, 255, 0.15);
    --radius: 16px;
    --radius-lg: 20px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

.tdr-page-wrapper {
    position: relative;
    min-height: 100vh;
    background: var(--bg);
    background-color: var(--bgc-app);
    overflow-x: hidden;
}

.tdr-gradient-bg {
    position: fixed;
    top: -50%;
    left: 50%;
    transform: translateX(-50%);
    width: 150%;
    height: 600px;
    pointer-events: none;
    z-index: 0;
}

.tdr-back-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    margin: 10px;
    color: var(--text);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9375rem;
    transition:
        transform 0.16s ease,
        box-shadow 0.16s ease,
        background 0.16s ease,
        color 0.16s ease;
}

.tdr-back-btn:hover {
    border-color: #fff;
}

.tdr-back-btn[aria-label] {
    outline-offset: 3px;
}

@media (max-width: 900px) {
    .tdr-back-btn {
        padding: 8px 10px;
        font-size: 0.9rem;
        border-radius: 10px;
    }
}

.tdr-details {
    position: relative;
    z-index: 1;
    max-width: 1280px;
    margin: 0 auto;
    padding: clamp(24px, 4vw, 48px) clamp(16px, 3vw, 32px);
    color: var(--text);
}

.tdr-hero-section {
    display: grid;
    grid-template-columns: 320px 1fr;
    gap: clamp(24px, 4vw, 48px);
    margin-bottom: clamp(32px, 5vw, 48px);
    align-items: start;
}

.tdr-cover-container {
    position: relative;
}

.tdr-cover-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
    filter: blur(60px);
    opacity: 0.6;
    z-index: -1;
    transition: all 0.4s ease;
}

.tdr-cover {
    position: relative;
    margin: 0;
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.tdr-cover:hover {
    transform: scale(1.02);
}

.tdr-cover img {
    width: 100%;
    aspect-ratio: 1 / 1;
    object-fit: cover;
    display: block;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
}

.tdr-cover dotlottie-player {
    display: block;
    width: 100%;
    aspect-ratio: 1 / 1;
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.tdr-hero-content {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-height: 320px;
}

.tdr-hero-bottom {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.tdr-badge-row {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

.tdr-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--full-border);
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--text-secondary);
    letter-spacing: 0.2px;
}

.tdr-badge svg {
    opacity: 0.7;
}

.tdr-price-badge {
    display: inline-flex;
    align-items: center;
    padding: 6px 16px;
    background: linear-gradient(
        135deg,
        var(--accent) 0%,
        var(--accent-hover) 100%
    );
    border-radius: var(--full-border);
    font-weight: 700;
    font-size: 0.9375rem;
    color: #fff;
}

.tdr-title {
    font-size: clamp(1.75rem, 4vw, 3rem);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 16px;
    letter-spacing: -0.02em;
    background: linear-gradient(
        135deg,
        var(--text) 0%,
        var(--text-secondary) 100%
    );
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    overflow-wrap: anywhere;
    word-break: break-word;
    hyphens: auto;
}

.tdr-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 24px;
    flex-wrap: wrap;
    font-size: 0.9375rem;
    row-gap: 6px;
}

.tdr-meta-item {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--text-secondary);
}

.tdr-meta-item svg {
    opacity: 0.6;
    flex-shrink: 0;
}

.tdr-meta-divider {
    width: 4px;
    height: 4px;
    border-radius: var(--middle-border);
    background: var(--text-muted);
}

.tdr-author {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--text);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.2s ease;
    border-bottom: 1px solid transparent;
}

.tdr-author:hover {
    color: var(--accent);
    border-bottom-color: var(--accent);
}

.tdr-author-deleted {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--text-muted);
    font-style: italic;
}

.tdr-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.tdr-player-section {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 20px;
    margin-bottom: clamp(24px, 4vw, 32px);
}

.tdr-player-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 14px;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.tdr-player-header svg {
    color: var(--accent);
}

.tdr-custom-player {
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 16px 20px;
}

.tdr-player-controls {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 16px;
}

.tdr-player-btn {
    background: transparent;
    border: none;
    color: var(--text);
    cursor: pointer;
    padding: 8px;
    border-radius: 8px;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.tdr-play-btn {
    background: transparent;
    color: #fff;
    width: 44px;
    height: 44px;
    border-radius: var(--middle-border);
}

.play-icon,
.pause-icon {
    color: #6366f1;
}

.tdr-play-btn:hover {
    border: 1px solid #fff;
}

.tdr-player-time {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-variant-numeric: tabular-nums;
    min-width: 45px;
    text-align: center;
}

.tdr-player-progress {
    flex: 1;
    position: relative;
}

.tdr-progress-bar {
    position: relative;
    height: 6px;
    background: var(--border);
    border-radius: 3px;
    cursor: pointer;
    overflow: visible;
}

.tdr-progress-filled {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    background: var(--accent);
    border-radius: 3px;
    width: 0%;
    transition: width 0.1s linear;
    pointer-events: none;
}

.tdr-progress-bar input[type="range"] {
    position: absolute;
    top: 50%;
    left: 0;
    width: 100%;
    height: 20px;
    margin: 0;
    transform: translateY(-50%);
    opacity: 0;
    cursor: pointer;
    z-index: 2;
}

.tdr-volume-slider {
    width: 80px;
    position: relative;
}

.tdr-volume-slider input[type="range"] {
    width: 100%;
    height: 6px;
    background: var(--border);
    border-radius: 3px;
    outline: none;
    appearance: none;
    -webkit-appearance: none;
    cursor: pointer;
}

.tdr-volume-slider input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 14px;
    height: 14px;
    background: var(--accent);
    border-radius: var(--middle-border);
    cursor: pointer;
    transition: all 0.2s ease;
}

.tdr-volume-slider input[type="range"]::-webkit-slider-thumb:hover {
    background: var(--accent-hover);
    transform: scale(1.2);
}

.tdr-volume-slider input[type="range"]::-moz-range-thumb {
    width: 14px;
    height: 14px;
    background: var(--accent);
    border: none;
    border-radius: var(--middle-border);
    cursor: pointer;
}

.tdr-content-grid {
    display: grid;
    grid-template-columns: 1fr 380px;
    gap: 24px;
    align-items: start;
}

.tdr-main-content {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.tdr-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 24px;
    transition: all 0.3s ease;
}

.tdr-card:hover {
    border-color: var(--border-hover);
}

.tdr-card-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 16px;
}

.tdr-card-header svg {
    color: var(--accent);
    flex-shrink: 0;
}

.tdr-card-header h2 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text);
    margin: 0;
    letter-spacing: -0.01em;
}

.tdr-description-text {
    color: var(--text-secondary);
    line-height: 1.7;
    font-size: 0.9375rem;
    white-space: pre-wrap;
    overflow-wrap: anywhere;
}

.tdr-description-body {
    position: relative;
}

.tdr-description-body .tdr-description-text {
    max-height: 9.6rem;
    overflow: hidden;
    transition: max-height 320ms ease;
    will-change: max-height;
    white-space: pre-wrap;
    overflow-wrap: anywhere;
}

.tdr-description-body.expanded .tdr-description-text {
    max-height: 2000px;
}

.tdr-expand-btn {
    margin-top: 10px;
    display: inline-block;
    background: transparent;
    border: none;
    color: var(--accent);
    font-weight: 600;
    cursor: pointer;
    padding: 6px 8px;
    border-radius: 8px;
}

.tdr-expand-btn:hover {
    background: rgba(99, 102, 241, 0.06);
}

.tdr-tags-wrap {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tdr-tag {
    display: inline-flex;
    align-items: center;
    padding: 8px 14px;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--full-border);
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.8125rem;
    font-weight: 500;
    transition: all 0.2s ease;
}

.tdr-tag:hover {
    background: var(--card-hover);
    border-color: var(--accent);
    color: var(--accent);
    transform: translateY(-2px);
}

.tdr-sidebar {
    display: flex;
    flex-direction: column;
    gap: 20px;
    position: sticky;
    top: 24px;
}

.tdr-specs-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding-bottom: 20px;
}

.tdr-spec-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border);
    transition: all 0.2s ease;
    cursor: pointer;
    border-radius: 8px;
    padding: 10px 12px;
    margin: 0 12px;
}

.tdr-spec-item:hover {
    border-color: var(--accent);
}

.tdr-spec-item dt {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-muted);
    font-size: 0.875rem;
    font-weight: 500;
}

.tdr-spec-item dt svg {
    opacity: 0.5;
}

.tdr-spec-item dd {
    color: var(--text);
    font-weight: 600;
    font-size: 0.9375rem;
}

.tdr-taxonomy-section {
    margin-bottom: 20px;
}

.tdr-taxonomy-section:last-child {
    margin-bottom: 0;
}

.tdr-taxonomy-section h3 {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 10px;
}

.tdr-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tdr-chip {
    display: inline-flex;
    align-items: center;
    padding: 7px 12px;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text-secondary);
    font-size: 0.8125rem;
    font-weight: 500;
    transition: all 0.2s ease;
}

.tdr-chip-style {
    border-left: 3px solid var(--accent);
}

.tdr-chip-instrument {
    border-left: 3px solid var(--success);
}

.tdr-chip:hover {
    background: var(--card-hover);
    border-color: var(--border-hover);
    transform: translateY(-1px);
}

.tdr-empty-state {
    color: var(--text-muted);
    font-size: 0.875rem;
    font-style: italic;
}

.tdr-share-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 12px;
    color: var(--text-secondary);
    font-size: 0.9375rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: inherit;
}

.tdr-share-btn:hover {
    background: var(--card-hover);
    border-color: var(--accent);
    color: var(--accent);
    transform: translateY(-2px);
}

.tdr-share-btn svg {
    flex-shrink: 0;
}

.tdr-toast {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 14px 20px;
    color: var(--text);
    font-size: 0.9375rem;
    font-weight: 500;
    z-index: 9999;
    opacity: 0;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    max-width: 90%;
    backdrop-filter: blur(10px);
}

.tdr-toast-show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

@media (max-width: 1400px) {
    .tdr-details {
        padding: clamp(20px, 3vw, 36px) clamp(14px, 2.6vw, 28px);
    }

    .tdr-content-grid {
        gap: 20px;
    }
}

@media (max-width: 1024px) {
    .tdr-content-grid {
        grid-template-columns: 1fr 300px;
        gap: 18px;
    }

    .tdr-sidebar {
        position: sticky;
        top: 18px;
    }

    .tdr-spec-item {
        margin: 0 8px;
        padding: 8px 10px;
        border-radius: 8px;
    }
}

@media (max-width: 900px) {
    .tdr-hero-section {
        grid-template-columns: 1fr;
        gap: 20px;
        align-items: center;
    }

    .tdr-cover-container {
        max-width: 320px;
        margin: 0 auto;
    }

    .tdr-title {
        font-size: clamp(1.4rem, 5.2vw, 2rem);
    }

    .tdr-meta {
        font-size: 0.85rem;
    }

    .tdr-hero-content {
        min-height: auto;
    }
}

@media (max-width: 700px) {
    .tdr-player-controls {
        gap: 8px;
    }

    .tdr-player-time {
        min-width: auto;
        font-size: 0.82rem;
    }

    .tdr-volume-slider {
        width: 56px;
    }

    .tdr-title {
        font-size: 1.6rem;
    }

    .tdr-description-text {
        font-size: 0.9rem;
        line-height: 1.6;
    }

    .tdr-tag,
    .tdr-chip {
        font-size: 0.78rem;
        padding: 6px 10px;
    }
}

@media (max-width: 600px) {
    .tdr-content-grid {
        grid-template-columns: 1fr;
    }

    .tdr-player-section {
        background: transparent;
        border: none;
        padding: 0;
    }

    .tdr-custom-player {
        background: transparent;
        border: none;
        padding: 6px 6px;
    }

    .tdr-player-header {
        display: none !important;
    }

    .tdr-player-time {
        display: none !important;
    }

    .tdr-volume-btn,
    .tdr-volume-slider {
        display: none !important;
    }

    .tdr-player-controls {
        display: flex;
        flex-direction: row;
        align-items: center;
        gap: 8px;
    }

    .tdr-play-btn {
        width: 40px;
        height: 40px;
        min-width: 40px;
        min-height: 40px;
    }

    .tdr-player-progress {
        flex: 1;
    }

    .tdr-progress-bar {
        height: 6px;
        border-radius: 4px;
    }

    .tdr-progress-filled {
        border-radius: 4px;
    }

    .tdr-title {
        font-size: 1.2rem;
    }

    .tdr-description-text {
        font-size: 0.88rem;
    }

    .tdr-sidebar {
        position: static;
        order: 2;
    }

    .tdr-main-content {
        order: 1;
    }

    .tdr-actions {
        gap: 10px;
        align-items: center;
    }

    .tdr-actions button,
    .tdr-actions a {
        padding: 6px 6px;
        font-size: 0.78rem;
    }

    .tdr-actions svg {
        width: 18px !important;
        height: 18px !important;
    }

    .tdr-actions .tdr-action-count,
    .tdr-actions .count {
        display: block;
        font-size: 0.72rem;
        color: var(--text-muted);
        margin-top: 4px;
    }
}

@media (max-width: 480px) {
    .tdr-details {
        padding: 18px 14px;
    }

    .tdr-card {
        padding: 16px;
    }

    .tdr-player-section {
        padding: 14px;
    }

    .tdr-badge-row {
        margin-bottom: 12px;
    }

    .tdr-play-btn {
        width: 42px;
        height: 42px;
    }

    .tdr-volume-slider {
        display: none;
    }

    .tdr-volume-btn {
        opacity: 0.9;
    }

    .tdr-meta-divider {
        display: none;
    }

    .tdr-badge {
        padding: 6px 12px;
    }

    .tdr-price-badge {
        padding: 6px 14px;
    }
}

@media (max-width: 360px) {
    .tdr-title {
        font-size: 1.35rem;
    }

    .tdr-chip,
    .tdr-tag {
        padding: 6px 10px;
    }

    .tdr-chip,
    .tdr-tag,
    .tdr-badge {
        font-size: 0.78rem;
    }
}

@media (hover: none) {
    .tdr-tag,
    .tdr-chip,
    .tdr-share-btn,
    .tdr-player-btn {
        filter: none;
        transform: none;
    }
}