:root {
    color-scheme: light;
    --bg: #f6f1ff;
    --bg-accent: #efe5ff;
    --panel: rgba(255, 255, 255, 0.88);
    --panel-strong: #ffffff;
    --panel-border: rgba(121, 74, 214, 0.12);
    --text: #24133f;
    --muted: #6e5f8f;
    --line: rgba(121, 74, 214, 0.12);
    --shadow: 0 24px 70px rgba(103, 67, 183, 0.12);
    --primary: #7b3ff2;
    --primary-strong: #692ce5;
    --primary-soft: rgba(123, 63, 242, 0.12);
    --danger: #d74a79;
    --danger-soft: rgba(215, 74, 121, 0.12);
    --success: #2f9d74;
    --success-soft: rgba(47, 157, 116, 0.12);
    --radius-lg: 28px;
    --radius-md: 20px;
    --radius-sm: 14px;
    --content-width: 1280px;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: "Manrope", sans-serif;
    background:
        radial-gradient(circle at top left, rgba(166, 123, 255, 0.28), transparent 28%),
        radial-gradient(circle at 100% 0, rgba(247, 205, 255, 0.42), transparent 30%),
        linear-gradient(180deg, #fbf7ff 0%, #f6f1ff 42%, #f2ebff 100%);
    color: var(--text);
}

a {
    color: inherit;
    text-decoration: none;
}

button,
input,
select,
textarea {
    font: inherit;
}

button {
    cursor: pointer;
}

textarea {
    resize: vertical;
}

[hidden] {
    display: none !important;
}

.page-shell {
    width: min(calc(100% - 32px), var(--content-width));
    margin: 0 auto;
    padding: 22px 0 48px;
}

.site-header {
    position: sticky;
    top: 14px;
    z-index: 20;
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 20px;
    padding: 16px 20px;
    margin-bottom: 26px;
    border: 1px solid var(--panel-border);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.82);
    box-shadow: var(--shadow);
    backdrop-filter: blur(18px);
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 14px;
}

.brand-mark {
    width: 42px;
    height: 42px;
    display: grid;
    place-items: center;
    border-radius: 14px;
    background: linear-gradient(135deg, #7b3ff2, #c36cff);
    color: #fff;
    font-family: "Unbounded", sans-serif;
    font-size: 1rem;
    box-shadow: 0 18px 38px rgba(123, 63, 242, 0.24);
}

.brand-copy {
    display: grid;
    gap: 4px;
}

.brand-copy strong {
    font-family: "Unbounded", sans-serif;
    font-size: 1rem;
    font-weight: 700;
}

.brand-copy span {
    color: var(--muted);
    font-size: 0.9rem;
}

.top-nav {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 16px;
}

.top-nav a {
    padding: 10px 14px;
    border-radius: 999px;
    color: var(--muted);
    transition: background-color 0.18s ease, color 0.18s ease;
}

.top-nav a:hover,
.top-nav a:focus-visible {
    background: var(--primary-soft);
    color: var(--primary-strong);
}

.header-session {
    padding: 10px 14px;
    border-radius: 999px;
    background: var(--primary-soft);
    color: var(--primary-strong);
    font-size: 0.92rem;
    font-weight: 700;
}

.hero,
.section,
.site-footer {
    border: 1px solid var(--panel-border);
    border-radius: var(--radius-lg);
    background: var(--panel);
    box-shadow: var(--shadow);
    backdrop-filter: blur(16px);
}

.hero {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 20px;
    padding: 36px;
    margin-bottom: 24px;
}

.hero-copy {
    display: grid;
    align-content: center;
    gap: 18px;
    max-width: 760px;
}

.eyebrow,
.panel-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin: 0;
    color: var(--primary-strong);
    font-size: 0.82rem;
    font-weight: 800;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.hero h1,
.section-heading h2 {
    margin: 0;
    font-family: "Unbounded", sans-serif;
    font-weight: 700;
    line-height: 1.08;
    letter-spacing: -0.04em;
}

.hero h1 {
    max-width: 12ch;
    font-size: clamp(2.6rem, 6vw, 4.8rem);
}

.hero-text,
.section-copy,
.helper-text,
.selected-playlist-copy p,
.site-footer p {
    margin: 0;
    color: var(--muted);
    line-height: 1.65;
}

.hero-actions,
.split-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.hero-note {
    margin: 0;
    color: var(--muted);
    font-size: 0.95rem;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 46px;
    padding: 0 18px;
    border: 1px solid transparent;
    border-radius: 999px;
    font-weight: 700;
    transition: transform 0.18s ease, border-color 0.18s ease, background-color 0.18s ease, color 0.18s ease;
}

.button:hover,
.button:focus-visible {
    transform: translateY(-1px);
}

.button.primary {
    background: linear-gradient(135deg, var(--primary), #b356f7);
    color: #fff;
    box-shadow: 0 14px 30px rgba(123, 63, 242, 0.22);
}

.button.secondary,
.button.ghost {
    border-color: var(--line);
    background: rgba(255, 255, 255, 0.72);
    color: var(--text);
}

.button.secondary:hover,
.button.ghost:hover,
.button.secondary:focus-visible,
.button.ghost:focus-visible {
    border-color: rgba(123, 63, 242, 0.28);
    background: #fff;
}

.button.danger {
    border-color: transparent;
    background: var(--danger-soft);
    color: var(--danger);
}

.button.small {
    min-height: 38px;
    padding: 0 14px;
    font-size: 0.92rem;
}

.hero-player,
.panel,
.guest-card,
.details-card {
    border: 1px solid var(--line);
    border-radius: var(--radius-md);
    background: var(--panel-strong);
}

.hero-player {
    padding: 22px;
    background:
        radial-gradient(circle at top right, rgba(123, 63, 242, 0.18), transparent 36%),
        linear-gradient(180deg, #ffffff 0%, #faf6ff 100%);
}

.hero-player-row {
    display: grid;
    grid-template-columns: 72px 1fr;
    gap: 16px;
    align-items: center;
    margin: 14px 0 10px;
}

.cover-badge,
.thumb,
.card-thumb {
    display: grid;
    place-items: center;
    color: #fff;
    font-weight: 800;
    letter-spacing: 0.04em;
    background: linear-gradient(135deg, #7b3ff2, #cf79ff);
}

.cover-badge {
    width: 72px;
    height: 72px;
    border-radius: 22px;
    font-family: "Unbounded", sans-serif;
}

.hero-player-copy {
    display: grid;
    gap: 6px;
}

.hero-player-copy strong {
    font-size: 1.15rem;
}

.hero-player-copy span {
    color: var(--muted);
}

.hero-queue {
    display: grid;
    gap: 12px;
}

.queue-card {
    display: grid;
    gap: 4px;
    padding: 16px 18px;
    border: 1px solid var(--line);
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.72);
}

.queue-card strong {
    font-size: 0.98rem;
}

.queue-card span {
    color: var(--muted);
    font-size: 0.92rem;
}

.section {
    padding: 30px;
    margin-bottom: 20px;
}

.section-heading {
    display: grid;
    grid-template-columns: minmax(0, auto) minmax(260px, 420px);
    justify-content: space-between;
    gap: 18px;
    margin-bottom: 24px;
}

.section-heading h2 {
    font-size: clamp(1.65rem, 3vw, 2.5rem);
}

.search-shell,
.panel,
.guest-card {
    padding: 22px;
}

.search-shell {
    margin-bottom: 18px;
    border: 1px solid var(--line);
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.8);
}

.search-box,
label,
.form-panel,
.inline-form {
    display: grid;
    gap: 8px;
}

label > span {
    font-size: 0.92rem;
    font-weight: 700;
    color: var(--muted);
}

input,
select,
textarea {
    width: 100%;
    min-height: 48px;
    padding: 12px 14px;
    border: 1px solid var(--line);
    border-radius: 16px;
    background: #fff;
    color: var(--text);
    outline: none;
    transition: border-color 0.18s ease, box-shadow 0.18s ease;
}

textarea {
    min-height: 120px;
}

input:focus,
select:focus,
textarea:focus {
    border-color: rgba(123, 63, 242, 0.38);
    box-shadow: 0 0 0 4px rgba(123, 63, 242, 0.08);
}

.search-results,
.stack-list,
.card-grid,
.tag-row,
.details-grid,
.catalog-grid,
.workspace-grid,
.playlist-grid,
.account-grid,
.studio-grid {
    display: grid;
    gap: 16px;
}

.catalog-grid,
.studio-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.workspace-grid {
    grid-template-columns: 1.05fr 0.95fr;
}

.panel-span-two {
    grid-column: 1 / -1;
}

.playlist-grid {
    grid-template-columns: minmax(280px, 0.85fr) minmax(300px, 0.85fr) minmax(0, 1.3fr);
}

.account-grid,
.details-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.panel-head,
.compact-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 16px;
}

.panel-head h3,
.compact-head h4,
.guest-card h3 {
    margin: 4px 0 0;
    font-size: 1.15rem;
}

.guest-card {
    display: grid;
    gap: 14px;
}

.upload-zone {
    display: grid;
    gap: 10px;
    padding: 18px;
    border: 1px dashed rgba(123, 63, 242, 0.28);
    border-radius: 20px;
    background: rgba(123, 63, 242, 0.04);
}

.upload-zone input {
    min-height: auto;
    padding: 0;
    border: 0;
    background: transparent;
    border-radius: 0;
}

.upload-zone small {
    color: var(--muted);
}

.player-panel audio {
    width: 100%;
}

.card-grid {
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.cover-card,
.stack-card,
.library-item,
.result-group,
.result-item {
    border: 1px solid var(--line);
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.78);
}

.cover-card {
    overflow: hidden;
}

.card-thumb {
    width: 100%;
    aspect-ratio: 1.12;
    font-size: 1.2rem;
}

.card-thumb.has-image,
.thumb.has-image {
    background-position: center;
    background-size: cover;
}

.card-copy,
.stack-card,
.library-item,
.result-item {
    padding: 16px;
}

.card-copy {
    display: grid;
    gap: 8px;
}

.card-title,
.item-title {
    font-weight: 800;
    line-height: 1.3;
}

.card-subtitle,
.item-subtitle,
.library-meta {
    color: var(--muted);
    line-height: 1.5;
}

.meta-row,
.tag-row {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tag {
    display: inline-flex;
    align-items: center;
    padding: 7px 11px;
    border-radius: 999px;
    background: var(--primary-soft);
    color: var(--primary-strong);
    font-size: 0.83rem;
    font-weight: 700;
}

.stack-card,
.library-item,
.result-item {
    display: grid;
    grid-template-columns: 58px minmax(0, 1fr) auto;
    align-items: center;
    gap: 14px;
}

.result-item {
    grid-template-columns: 52px minmax(0, 1fr) auto;
}

.thumb {
    width: 58px;
    height: 58px;
    border-radius: 16px;
}

.item-copy {
    display: grid;
    gap: 6px;
    min-width: 0;
}

.item-copy > * {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.item-actions,
.library-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 8px;
}

.empty-state,
.placeholder-card {
    padding: 18px;
    border: 1px dashed var(--line);
    border-radius: 18px;
    color: var(--muted);
    background: rgba(123, 63, 242, 0.03);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
}

.check-row {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text);
}

.check-row input {
    width: 18px;
    min-height: 18px;
    padding: 0;
}

.playlist-detail-panel {
    display: grid;
    gap: 20px;
}

.selected-playlist-copy {
    display: grid;
    gap: 8px;
}

.panel-section {
    display: grid;
    gap: 14px;
    padding-top: 18px;
    border-top: 1px solid var(--line);
}

.nested-form {
    gap: 12px;
}

.compact-list {
    gap: 10px;
}

.details-card {
    overflow: hidden;
}

.details-card summary {
    padding: 18px 20px;
    font-weight: 800;
    cursor: pointer;
    list-style: none;
}

.details-card summary::-webkit-details-marker {
    display: none;
}

.details-body {
    display: grid;
    gap: 14px;
    padding: 0 20px 20px;
}

.stack-gap {
    display: grid;
    gap: 14px;
}

.inline-form {
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    align-items: end;
}

.response-box {
    margin: 0;
    padding: 16px;
    border: 1px solid var(--line);
    border-radius: 18px;
    background: #fff;
    color: var(--muted);
    white-space: pre-wrap;
    word-break: break-word;
    overflow: auto;
}

.site-footer {
    display: grid;
    gap: 8px;
    padding: 20px 24px;
}

.toast-stack {
    position: fixed;
    right: 18px;
    bottom: 18px;
    z-index: 40;
    display: grid;
    gap: 10px;
    width: min(380px, calc(100vw - 24px));
}

.toast {
    padding: 14px 16px;
    border-radius: 18px;
    color: #fff;
    box-shadow: var(--shadow);
}

.toast.info {
    background: linear-gradient(135deg, #7b3ff2, #9d63ff);
}

.toast.success {
    background: linear-gradient(135deg, #2f9d74, #43b48a);
}

.toast.error {
    background: linear-gradient(135deg, #d74a79, #ef658e);
}

.admin-only {
    grid-column: 1 / -1;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

@media (max-width: 1180px) {
    .hero,
    .workspace-grid,
    .catalog-grid,
    .playlist-grid,
    .account-grid,
    .details-grid,
    .studio-grid {
        grid-template-columns: 1fr;
    }

    .panel-span-two,
    .admin-only {
        grid-column: auto;
    }
}

@media (max-width: 860px) {
    .page-shell {
        width: min(calc(100% - 20px), var(--content-width));
        padding-top: 14px;
    }

    .site-header {
        position: static;
        grid-template-columns: 1fr;
        align-items: start;
        border-radius: 28px;
        text-align: left;
        padding: 16px;
    }

    .brand {
        justify-self: start;
    }

    .top-nav,
    .header-session {
        justify-self: stretch;
        width: 100%;
    }

    .top-nav {
        justify-content: flex-start;
        gap: 10px;
    }

    .hero,
    .section,
    .site-footer {
        padding: 22px;
    }

    .section-heading {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 620px) {
    .site-header {
        gap: 14px;
    }

    .top-nav {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        width: 100%;
        gap: 8px;
    }

    .top-nav a {
        width: auto;
        text-align: center;
        background: rgba(255, 255, 255, 0.74);
        border: 1px solid var(--line);
    }

    .header-session {
        width: auto;
        text-align: center;
    }

    .button,
    .hero-actions .button,
    .split-actions .button {
        width: 100%;
    }

    .form-row,
    .inline-form {
        grid-template-columns: 1fr;
    }

    .stack-card,
    .library-item,
    .result-item {
        grid-template-columns: 48px minmax(0, 1fr);
    }

    .item-actions,
    .library-actions {
        grid-column: 1 / -1;
        justify-content: stretch;
    }

    .item-actions .button,
    .library-actions .button {
        flex: 1 1 auto;
    }
}