/*
 * Samples feature styles. Fully scoped under .al-scope and independent of the site theme CSS,
 * so it keeps working when the global styles are replaced. Everything is prefixed with "al-".
 */
.al-scope {
    --al-accent: #00a79d;
    --al-accent-strong: #008f86;
    --al-accent-soft: #e6f6f5;
    --al-text: #0f172a;
    --al-muted: #64748b;
    --al-border: #e5e7eb;
    --al-surface: #ffffff;
    --al-bg: #f8fafc;
    --al-chip: #f1f5f9;
    --al-wave: #cbd5e1;
    --al-wave-progress: var(--al-accent);
    --al-gradient: linear-gradient(115deg, #1e2a78 0%, #17508a 50%, #0f766e 100%);
    --al-radius: 16px;
    --al-shadow: 0 1px 2px rgba(15, 23, 42, .04), 0 4px 16px rgba(15, 23, 42, .04);

    background: var(--al-bg);
    color: var(--al-text);
    font-family: inherit;
    line-height: 1.5;
    padding: 48px 0 96px;
}
.al-scope *, .al-scope *::before, .al-scope *::after { box-sizing: border-box; }
.al-scope[data-surface="white"] { background: var(--al-surface); }
.al-container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.al-container--narrow { max-width: 800px; }
.al-container--wide { max-width: 1320px; }
.al-form-wrap { max-width: 800px; }

/* ---------- icons & buttons ---------- */
.al-icon { width: 20px; height: 20px; display: block; flex: none; }
.al-btn {
    display: inline-flex; align-items: center; gap: 8px; height: 44px; padding: 0 20px;
    border-radius: 12px; border: 1px solid transparent; font-weight: 600; font-size: 15px;
    text-decoration: none; cursor: pointer; transition: background .15s, border-color .15s, box-shadow .15s, opacity .15s;
}
.al-btn--primary { background: var(--al-gradient); color: #fff; }
.al-btn--primary:hover { filter: brightness(1.12); color: #fff; }
.al-btn--primary:disabled { opacity: .5; cursor: not-allowed; }
.al-btn--ghost { background: var(--al-surface); color: var(--al-text); border-color: var(--al-border); }
.al-btn--ghost:hover { background: var(--al-chip); color: var(--al-text); }
.al-btn:focus-visible, .al-iconbtn:focus-visible { outline: 3px solid var(--al-accent-soft); outline-offset: 1px; box-shadow: 0 0 0 1px var(--al-accent); }
.al-iconbtn {
    width: 40px; height: 40px; border-radius: 12px; border: 1px solid transparent; background: transparent;
    color: var(--al-muted); display: inline-grid; place-items: center; cursor: pointer; text-decoration: none;
    transition: background .15s, color .15s, border-color .15s;
}
.al-iconbtn:hover { background: var(--al-chip); color: var(--al-text); border-color: var(--al-border); }

/* ---------- page header ---------- */
.al-header { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; flex-wrap: wrap; margin-bottom: 28px; }
.al-title { font-size: clamp(28px, 4vw, 40px); line-height: 1.15; font-weight: 700; letter-spacing: -.02em; margin: 0 0 8px; color: var(--al-text); }
.al-subtitle { margin: 0; color: var(--al-muted); font-size: 16px; }
.al-crumbs { font-size: 14px; color: var(--al-muted); margin-bottom: 12px; }
.al-crumbs a { color: var(--al-muted); text-decoration: none; }
.al-crumbs a:hover { color: var(--al-accent); }

/* ---------- search & tags ---------- */
.al-search { position: relative; max-width: 560px; margin-bottom: 16px; }
.al-search .al-icon-search { position: absolute; left: 16px; top: 50%; transform: translateY(-50%); width: 18px; height: 18px; color: var(--al-muted); pointer-events: none; }
.al-search input {
    width: 100%; height: 48px; border: 1px solid var(--al-border); border-radius: 12px; padding: 0 16px 0 44px;
    background: var(--al-surface); color: var(--al-text); font-size: 15px; outline: none; transition: border-color .15s, box-shadow .15s;
}
.al-search input:focus { border-color: var(--al-accent); box-shadow: 0 0 0 4px var(--al-accent-soft); }
.al-tags { display: flex; flex-wrap: wrap; gap: 8px; padding-bottom: 28px; border-bottom: 1px solid var(--al-border); }
.al-tag {
    border: 0; background: var(--al-chip); color: #475569; border-radius: 999px; padding: 8px 14px; font-size: 14px;
    cursor: pointer; transition: background .15s, color .15s;
}
.al-tag:hover { background: #e2e8f0; }
.al-tag.is-active { background: var(--al-gradient); color: #fff; }
.al-list-label { margin: 24px 0 8px; color: var(--al-muted); font-size: 14px; }
.al-results { transition: opacity .15s; }
.al-results.is-loading { opacity: .5; pointer-events: none; }

/* ---------- player ---------- */
.al-player { display: flex; align-items: center; gap: 12px; min-width: 0; }
.al-player__btn {
    flex: none; width: 40px; height: 40px; border-radius: 50%; border: 0; background: var(--al-gradient); color: #fff;
    display: grid; place-items: center; cursor: pointer; transition: background .15s, transform .1s;
}
.al-player__btn:hover { filter: brightness(1.12); }
.al-player__btn:active { transform: scale(.94); }
.al-player__btn:focus-visible, .al-tag:focus-visible { outline: 3px solid var(--al-accent-soft); box-shadow: 0 0 0 2px var(--al-accent); }
.al-player__btn .al-icon { width: 16px; height: 16px; fill: currentColor; }
.al-player__btn .al-i-play { margin-left: 2px; }
.al-player__btn .al-i-stop { display: none; }
.al-player.is-playing .al-i-play { display: none; }
.al-player.is-playing .al-i-stop { display: block; }
.al-player.is-empty .al-player__btn { background: var(--al-chip); filter: none; color: var(--al-muted); cursor: default; }
.al-player__wave { flex: 1; min-width: 0; height: 44px; position: relative; cursor: pointer; }
/* placeholder bars while a waveform is being decoded */
.al-player.is-loading .al-player__wave::before, .al-player.is-empty .al-player__wave::before {
    content: ""; position: absolute; inset: 8px 0;
    background: repeating-linear-gradient(90deg, var(--al-wave) 0 2px, transparent 2px 4px);
    opacity: .5; -webkit-mask: linear-gradient(90deg, #000, transparent 85%); mask: linear-gradient(90deg, #000, transparent 85%);
}
.al-player.is-loading .al-player__wave::before { animation: al-pulse 1.2s ease-in-out infinite; }
.al-player.is-error .al-player__time { color: #b45309; }
.al-player__time { flex: none; min-width: 40px; text-align: right; font-size: 13px; color: var(--al-muted); font-variant-numeric: tabular-nums; }
@keyframes al-pulse { 50% { opacity: .2; } }

/* ---------- public track list ---------- */
.al-tracks { display: flex; flex-direction: column; }
.al-track {
    display: grid; grid-template-columns: 56px minmax(140px, 1.1fr) minmax(220px, 3fr) minmax(120px, 1fr) 40px;
    gap: 20px; align-items: center; padding: 14px 16px; border-bottom: 1px solid var(--al-border); border-radius: 14px;
    transition: background .15s, box-shadow .15s, border-color .15s;
}
.al-track:last-child { border-bottom-color: transparent; }
.al-track:hover, .al-track:focus-within { background: var(--al-bg); border-bottom-color: transparent; box-shadow: inset 0 0 0 1px var(--al-border); }
.al-track:focus-within { background: var(--al-accent-soft); box-shadow: inset 0 0 0 2px var(--al-accent); }
.al-track .al-cover { transition: transform .15s; }
.al-track:hover .al-cover, .al-track:focus-within .al-cover { transform: scale(1.04); }
.al-track:hover .al-iconbtn, .al-track:focus-within .al-iconbtn { color: var(--al-text); }
.al-track:hover + .al-track, .al-track:focus-within + .al-track { border-top-color: transparent; }
.al-cover { width: 56px; height: 56px; border-radius: 12px; object-fit: cover; display: grid; place-items: center; color: #fff; background: linear-gradient(135deg, var(--al-accent), #6366f1); flex: none; }
.al-cover .al-icon { width: 24px; height: 24px; }
.al-track__name { display: block; font-weight: 600; color: var(--al-text); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.al-track__author { display: block; font-size: 13px; color: var(--al-muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.al-track__category { font-weight: 500; color: var(--al-text); }
.al-track__sub { font-size: 13px; color: var(--al-muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.al-empty { text-align: center; padding: 64px 20px; color: var(--al-muted); }
.al-empty .al-icon { width: 40px; height: 40px; margin: 0 auto 12px; color: var(--al-wave); }
.al-empty h3 { font-size: 18px; margin: 0 0 4px; color: var(--al-text); }
.al-empty p { margin: 0 0 16px; }

/* ---------- my samples cards ---------- */
.al-grid { display: grid; gap: 16px; }
.al-card {
    display: grid; grid-template-columns: 96px 1fr; gap: 20px; padding: 20px; background: var(--al-surface);
    border: 1px solid var(--al-border); border-radius: var(--al-radius); box-shadow: var(--al-shadow);
    transition: border-color .15s, box-shadow .15s;
}
.al-card:hover { border-color: #d5dae1; box-shadow: 0 2px 4px rgba(15, 23, 42, .05), 0 8px 24px rgba(15, 23, 42, .07); }
.al-card:focus-within { border-color: var(--al-accent); box-shadow: 0 0 0 4px var(--al-accent-soft); }
.al-card .al-cover { width: 96px; height: 96px; border-radius: 14px; }
.al-card .al-cover .al-icon { width: 32px; height: 32px; }
.al-card__body { min-width: 0; display: flex; flex-direction: column; gap: 12px; }
.al-card__top { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; }
.al-card__title { margin: 0; font-size: 18px; font-weight: 600; color: var(--al-text); overflow-wrap: anywhere; }
.al-card__meta { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; }
.al-pill { display: inline-flex; align-items: center; height: 26px; padding: 0 10px; border-radius: 999px; font-size: 12px; font-weight: 500; background: var(--al-chip); color: #475569; }
.al-pill--accent { background: var(--al-accent-soft); color: var(--al-accent-strong); }
.al-card__foot { display: flex; gap: 8px 16px; flex-wrap: wrap; font-size: 13px; color: var(--al-muted); }

/* ---------- pagination ---------- */
.al-pagination { display: flex; align-items: center; justify-content: center; gap: 6px; margin-top: 32px; flex-wrap: wrap; }
a.al-pagination__item:focus-visible { outline: 3px solid var(--al-accent-soft); box-shadow: 0 0 0 2px var(--al-accent); }
.al-pagination__item {
    min-width: 40px; height: 40px; padding: 0 12px; display: inline-grid; place-items: center; border-radius: 10px;
    border: 1px solid var(--al-border); background: var(--al-surface); color: var(--al-text); font-size: 14px; text-decoration: none;
    transition: background .15s, border-color .15s;
}
a.al-pagination__item:hover { background: var(--al-chip); color: var(--al-text); }
.al-pagination__item.is-active { background: var(--al-gradient); border-color: transparent; color: #fff; font-weight: 600; }
.al-pagination__item.is-disabled { opacity: .45; }
.al-pagination__gap { color: var(--al-muted); padding: 0 4px; }

/* ---------- form ---------- */
.al-panel { background: var(--al-surface); border: 1px solid var(--al-border); border-radius: var(--al-radius); box-shadow: var(--al-shadow); padding: 28px; }
.al-panel + .al-panel { margin-top: 20px; }
.al-panel__title { font-size: 16px; font-weight: 600; margin: 0 0 4px; color: var(--al-text); }
.al-panel__desc { margin: 0 0 20px; color: var(--al-muted); font-size: 14px; }
.al-field { margin-bottom: 20px; }
.al-field:last-child { margin-bottom: 0; }
.al-label { display: block; font-size: 14px; font-weight: 600; margin-bottom: 8px; color: var(--al-text); }
.al-input {
    width: 100%; height: 48px; padding: 0 14px; border: 1px solid var(--al-border); border-radius: 12px; background: var(--al-surface);
    color: var(--al-text); font-size: 15px; outline: none; transition: border-color .15s, box-shadow .15s;
}
.al-input:focus { border-color: var(--al-accent); box-shadow: 0 0 0 4px var(--al-accent-soft); }
.al-input.is-invalid { border-color: #d97706; }
.al-help { margin: 6px 0 0; font-size: 13px; color: var(--al-muted); }
.al-error { margin: 6px 0 0; font-size: 13px; color: #b45309; }
.al-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.al-actions { display: flex; gap: 12px; justify-content: flex-end; margin-top: 24px; align-items: center; flex-wrap: wrap; }
.al-actions__note { margin-right: auto; font-size: 13px; color: var(--al-muted); }

/* ---------- uploader ---------- */
.al-uploader__drop {
    display: flex; flex-direction: column; align-items: center; gap: 6px; text-align: center; padding: 28px 20px;
    border: 2px dashed #d5dae1; border-radius: 14px; background: var(--al-bg); cursor: pointer; outline: none;
    transition: border-color .15s, background .15s;
}
.al-uploader__drop[hidden], .al-uploader__file[hidden] { display: none; }
.al-uploader__drop:hover, .al-uploader__drop:focus-visible, .al-uploader__drop.is-over { border-color: var(--al-accent); background: var(--al-accent-soft); }
.al-uploader__icon { width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center; background: var(--al-surface); color: var(--al-accent); box-shadow: var(--al-shadow); }
.al-uploader .al-i-upload { transform: rotate(180deg); }
.al-uploader__text { font-size: 14px; color: var(--al-muted); }
.al-uploader__text strong { color: var(--al-accent-strong); font-weight: 600; }
.al-uploader__hint { font-size: 12px; color: var(--al-muted); }
.al-uploader__file { border: 1px solid var(--al-border); border-radius: 14px; padding: 16px; background: var(--al-surface); }
.al-uploader__preview { margin-bottom: 12px; }
.al-uploader__preview:empty { display: none; }
.al-uploader__thumb { width: 120px; height: 120px; border-radius: 12px; object-fit: cover; display: block; background: var(--al-chip); }
.al-uploader__thumb:not([src]) { display: none; }
.al-uploader__row { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.al-uploader__meta { min-width: 0; display: flex; flex-direction: column; }
.al-uploader__name { font-size: 14px; font-weight: 500; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.al-uploader__size { font-size: 12px; color: var(--al-muted); }
.al-uploader__bar { height: 6px; border-radius: 999px; background: var(--al-chip); overflow: hidden; margin-top: 12px; }
.al-uploader__bar[hidden] { display: none; }
.al-uploader__bar span { display: block; height: 100%; width: 0; background: var(--al-accent); border-radius: inherit; transition: width .15s; }
.al-uploader__error { margin: 8px 0 0; font-size: 13px; color: #b45309; }
.al-uploader__error[hidden] { display: none; }

/* ---------- confirm dialog ---------- */
.al-dialog { border: 0; padding: 0; border-radius: 18px; max-width: 400px; width: calc(100% - 40px); box-shadow: 0 24px 64px rgba(15, 23, 42, .25); color: var(--al-text, #0f172a); }
.al-dialog::backdrop { background: rgba(15, 23, 42, .45); backdrop-filter: blur(2px); }
.al-dialog__body { padding: 24px; }
.al-dialog__title { margin: 0 0 6px; font-size: 18px; font-weight: 600; }
.al-dialog__text { margin: 0; color: #64748b; font-size: 14px; }
.al-dialog__foot { display: flex; justify-content: flex-end; gap: 10px; padding: 0 24px 24px; }

/* ---------- responsive ---------- */
@media (max-width: 991px) {
    .al-track { grid-template-columns: 56px 1fr 40px; gap: 12px 16px; }
    .al-track .al-player, .al-track__meta { grid-column: 1 / -1; }
}
@media (max-width: 575px) {
    .al-scope { padding: 32px 0 64px; }
    .al-row { grid-template-columns: 1fr; gap: 0; }
    .al-row .al-field { margin-bottom: 20px; }
    .al-card { grid-template-columns: 1fr; }
    .al-card .al-cover { width: 72px; height: 72px; }
    .al-panel { padding: 20px; }
}
@media (prefers-reduced-motion: reduce) { .al-scope * { transition: none !important; animation: none !important; } }