/* JCMusic website and admin panel. One stylesheet, light and dark themes via tokens. */

:root {
  --bg: #f6f5f3;
  --surface: #ffffff;
  --surface-muted: #f0eeeb;
  --text: #1c1b1a;
  --text-muted: #6b6864;
  --line: #e4e1dc;
  --accent: #c9824a;
  --accent-strong: #ad6a35;
  --accent-ink: #ffffff;
  --accent-soft: #f6e9de;
  --success: #2f7d4f;
  --success-soft: #e3f2e8;
  --warning: #9a6200;
  --warning-soft: #fbf0d9;
  --danger: #c03a2b;
  --danger-soft: #fbe6e3;
  --logo-ink: #ffffff;
  --radius: 14px;
  --radius-small: 9px;
  --shadow: 0 1px 2px rgba(28, 27, 26, 0.04), 0 8px 24px rgba(28, 27, 26, 0.05);
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Text", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, sans-serif;
  --mono: "SF Mono", ui-monospace, Menlo, Consolas, monospace;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #121211;
    --surface: #1b1b1a;
    --surface-muted: #242422;
    --text: #f2f0ed;
    --text-muted: #a19d97;
    --line: #2f2e2b;
    --accent: #d8955e;
    --accent-strong: #e7a877;
    --accent-ink: #1a120b;
    --accent-soft: #3a2a1d;
    --success: #6cc38f;
    --success-soft: #1d3325;
    --warning: #e6b45c;
    --warning-soft: #3a2d15;
    --danger: #f07c6e;
    --danger-soft: #3d1f1b;
    --logo-ink: #1a120b;
    --shadow: none;
    color-scheme: dark;
  }
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.6 var(--font);
}
main { flex: 1; }
a { color: var(--accent-strong); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3 { line-height: 1.25; margin: 0 0 0.5em; letter-spacing: -0.01em; }
h1 { font-size: 1.75rem; }
h2 { font-size: 1.15rem; }
h3 { font-size: 1rem; }
p { margin: 0 0 0.75em; }
img { max-width: 100%; }
[hidden] { display: none !important; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.container { width: min(1120px, 100% - 32px); margin-inline: auto; }
.muted { color: var(--text-muted); }
.small { font-size: 0.85rem; }
.mono { font-family: var(--mono); font-size: 0.85em; }
.center { text-align: center; justify-content: center; }
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.empty { color: var(--text-muted); text-align: center; padding: 28px 0; margin: 0; }

/* ---- Header & footer ---- */

.site-header { background: var(--surface); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 10; }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 60px; gap: 16px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 700; font-size: 1.05rem; color: var(--text); }
.brand:hover { text-decoration: none; }
.brand small { display: block; font-weight: 500; font-size: 0.75rem; color: var(--text-muted); }
.logo-mark { width: 28px; height: 28px; color: var(--accent); flex: none; }
.header-nav { display: flex; align-items: center; gap: 16px; }
.header-nav > a:not(.button) { color: var(--text); }
.header-user { display: inline-flex; align-items: center; gap: 8px; color: var(--text) !important; }
.site-footer { border-top: 1px solid var(--line); padding: 20px 0; color: var(--text-muted); font-size: 0.85rem; margin-top: 48px; }
.footer-inner { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.footer-inner nav { display: flex; gap: 16px; }
.footer-inner a { color: var(--text-muted); }

/* ---- Buttons & forms ---- */

.button {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  min-height: 40px; padding: 0 18px; border-radius: 999px; border: 1px solid transparent;
  background: var(--accent); color: var(--accent-ink); font: inherit; font-weight: 600;
  cursor: pointer; white-space: nowrap; text-decoration: none;
  transition: background-color 0.15s, border-color 0.15s, opacity 0.15s;
}
.button:hover { background: var(--accent-strong); text-decoration: none; }
.button:disabled, .button[aria-busy="true"] { opacity: 0.55; cursor: not-allowed; }
.button-ghost { background: transparent; color: var(--text); border-color: var(--line); }
.button-ghost:hover { background: var(--surface-muted); }
.button-danger { background: var(--danger); color: #fff; }
.button-danger:hover { background: var(--danger); opacity: 0.9; }
.button-ghost.button-danger { background: transparent; color: var(--danger); border-color: var(--danger-soft); }
.button-small { min-height: 32px; padding: 0 12px; font-size: 0.85rem; }
.button-large { min-height: 48px; padding: 0 26px; font-size: 1rem; }
.button-block { width: 100%; }
.button-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 12px; }
.link-button { background: none; border: 0; padding: 0; font: inherit; color: var(--text-muted); cursor: pointer; }
.link-button:hover { color: var(--text); text-decoration: underline; }
.inline-form { display: inline; margin: 0; }
.file-button { position: relative; overflow: hidden; }

.form { display: grid; gap: 14px; margin: 0; }
.form.narrow { max-width: 420px; }
.field { display: grid; gap: 6px; min-width: 0; }
.field > span, fieldset legend { font-weight: 600; font-size: 0.9rem; }
.field-hint { color: var(--text-muted); font-size: 0.8rem; }
input:not([type="checkbox"]):not([type="radio"]):not([type="file"]), select, textarea {
  width: 100%; min-height: 42px; padding: 9px 12px; border: 1px solid var(--line); border-radius: var(--radius-small);
  background: var(--surface); color: var(--text); font: inherit;
}
textarea { min-height: 84px; resize: vertical; font-family: var(--mono); font-size: 0.85rem; }
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
input[type="checkbox"], input[type="radio"] { width: 17px; height: 17px; accent-color: var(--accent); margin: 0; flex: none; }
.checkbox { display: flex; align-items: flex-start; gap: 8px; font-size: 0.9rem; cursor: pointer; }
.checkbox input { margin-top: 3px; }
.readonly { margin: 0; padding: 9px 0; }
.inline-fields { display: flex; align-items: flex-end; gap: 10px; flex-wrap: wrap; }
.inline-fields .grow { flex: 1 1 220px; }
.grid-form { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.grid-form .full { grid-column: 1 / -1; }
.form-actions { grid-column: 1 / -1; }
.radio-group { border: 0; padding: 0; margin: 0; display: flex; gap: 18px; flex-wrap: wrap; }
.radio-group legend { margin-bottom: 8px; width: 100%; }
.captcha-row, .code-row { display: flex; gap: 8px; }
.captcha-row input, .code-row input { flex: 1; min-width: 0; }
.captcha-image { flex: none; width: 132px; height: 42px; padding: 0; border: 1px solid var(--line); border-radius: var(--radius-small); overflow: hidden; background: #f4f4f5; cursor: pointer; }
.captcha-image img { display: block; width: 100%; height: 100%; }

/* ---- Notices, badges, cards ---- */

.notice { padding: 11px 14px; border-radius: var(--radius-small); margin: 0 0 16px; background: var(--surface-muted); border: 1px solid var(--line); font-size: 0.92rem; }
.notice-success { background: var(--success-soft); border-color: transparent; color: var(--success); }
.notice-error { background: var(--danger-soft); border-color: transparent; color: var(--danger); }
.badge { display: inline-flex; align-items: center; padding: 2px 9px; border-radius: 999px; font-size: 0.78rem; font-weight: 600; background: var(--surface-muted); color: var(--text-muted); white-space: nowrap; }
.badge-success { background: var(--success-soft); color: var(--success); }
.badge-warning { background: var(--warning-soft); color: var(--warning); }
.badge-danger { background: var(--danger-soft); color: var(--danger); }
.badge-accent { background: var(--accent-soft); color: var(--accent-strong); }

.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; box-shadow: var(--shadow); margin-bottom: 16px; min-width: 0; }
.card-header { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 12px; }
.card-header h2 { margin: 0; }
.card-danger { border-color: var(--danger-soft); }
a.card { color: inherit; display: block; }
a.card:hover { text-decoration: none; border-color: var(--accent); }

.stat-grid { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); margin-bottom: 16px; }
.stat-grid .card { margin-bottom: 0; }
.card.stat { display: grid; gap: 4px; align-content: start; }
.stat-label { color: var(--text-muted); font-size: 0.85rem; }
.stat-value { font-size: 1.6rem; font-weight: 700; letter-spacing: -0.02em; }
.grid-2 { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(340px, 1fr)); }

.page-header { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; margin-bottom: 20px; flex-wrap: wrap; }
.page-header h1 { margin: 0 0 4px; }
.page-header p { margin: 0; }

.list { list-style: none; margin: 0; padding: 0; }
.list-item { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 14px 0; border-bottom: 1px solid var(--line); }
.list-item:last-child { border-bottom: 0; }
.list.compact .list-item { padding: 10px 0; }
.list-main { display: grid; gap: 2px; min-width: 0; color: inherit; }
a.list-main:hover { text-decoration: none; }
a.list-main:hover strong { color: var(--accent-strong); }

.table-wrap { overflow-x: auto; margin: 0 -4px; }
.table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
.table th { text-align: left; font-weight: 600; color: var(--text-muted); font-size: 0.8rem; padding: 8px 10px; border-bottom: 1px solid var(--line); white-space: nowrap; }
.table td { padding: 10px; border-bottom: 1px solid var(--line); vertical-align: middle; }
.table tbody tr:last-child td { border-bottom: 0; }
.table input:not([type="checkbox"]) { min-height: 34px; padding: 5px 8px; min-width: 80px; }
.table .check { width: 32px; }
.song-cell { display: flex; align-items: center; gap: 10px; min-width: 180px; }
.song-cell img, .artwork-placeholder { width: 36px; height: 36px; border-radius: 6px; object-fit: cover; flex: none; background: var(--surface-muted); }
.details { display: grid; grid-template-columns: max-content 1fr; gap: 8px 20px; margin: 16px 0 0; }
.details dt { color: var(--text-muted); }
.details dd { margin: 0; }

.toolbar { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: 8px; }
.toolbar-actions { display: flex; gap: 8px; flex-wrap: wrap; margin-left: auto; }
.filters { display: flex; gap: 10px; margin-bottom: 16px; flex-wrap: wrap; }
.filters input { flex: 1 1 240px; max-width: 360px; }
.filters select { width: auto; }
.pagination { display: flex; align-items: center; gap: 10px; justify-content: flex-end; margin-top: 14px; }
.split-forms { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }

.avatar { border-radius: 50%; object-fit: cover; flex: none; background: var(--accent-soft); }
.avatar-sm { width: 28px; height: 28px; }
.avatar-lg { width: 72px; height: 72px; }
.avatar-fallback { display: inline-flex; align-items: center; justify-content: center; color: var(--accent-strong); font-weight: 700; }
.avatar-sm.avatar-fallback { font-size: 0.8rem; }
.avatar-lg.avatar-fallback { font-size: 1.8rem; }
.avatar-editor { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; margin-bottom: 8px; }

/* ---- Public pages ---- */

.hero { padding: 72px 0 48px; }
.hero-inner { display: grid; grid-template-columns: 1.2fr 1fr; align-items: center; gap: 40px; }
.hero h1 { font-size: clamp(2.2rem, 5vw, 3.4rem); letter-spacing: -0.03em; margin-bottom: 18px; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; color: var(--accent-strong); font-weight: 700; margin-bottom: 14px; }
.eyebrow .logo-mark { width: 22px; height: 22px; }
.lead { font-size: 1.1rem; color: var(--text-muted); max-width: 34em; }
.announcement { margin-top: 20px; padding: 10px 14px; border-left: 3px solid var(--accent); background: var(--accent-soft); border-radius: 0 var(--radius-small) var(--radius-small) 0; }
.hero-art { display: flex; justify-content: center; }
.disc {
  width: min(320px, 70vw); aspect-ratio: 1; border-radius: 50%;
  background: radial-gradient(circle, var(--surface) 0 17%, transparent 17.5%),
    repeating-radial-gradient(circle, #242321 0 2px, #1a1918 2px 5px);
  display: grid; place-items: center; box-shadow: 0 30px 60px rgba(0, 0, 0, 0.18);
  animation: spin 18s linear infinite;
}
.disc-label { width: 34%; aspect-ratio: 1; border-radius: 50%; background: var(--accent); display: grid; place-items: center; }
.disc-label .logo-mark { width: 50%; height: 50%; color: var(--accent-ink); --logo-ink: var(--accent); }
@keyframes spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) { .disc { animation: none; } }

.section { padding: 32px 0; }
.section-heading { margin-bottom: 20px; }
.section-heading p { margin: 0; }
.feature-grid, .plan-grid, .download-grid { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.feature { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; }
.feature p { color: var(--text-muted); margin: 0; }
.plan { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; display: grid; gap: 4px; }
.plan h3 { margin: 0; }
.plan-price { font-size: 2rem; font-weight: 700; letter-spacing: -0.02em; margin: 6px 0 0; }
.currency { font-size: 1rem; margin-right: 2px; }
.download { display: flex; align-items: center; justify-content: center; min-height: 64px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); color: var(--text); font-weight: 600; }
.download:hover { border-color: var(--accent); text-decoration: none; }

.plan-picker { border: 0; padding: 0; margin: 0; display: grid; gap: 12px; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }
.plan-option { position: relative; cursor: pointer; }
.plan-option input { position: absolute; top: 18px; right: 18px; }
.plan-option:has(input:checked) { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.plan-name { font-weight: 700; }
.membership-status { display: flex; align-items: center; gap: 12px; }
.membership-status p { margin: 0; }

.auth-page { display: grid; place-items: center; padding: 48px 16px; }
.auth-card { width: min(420px, 100%); background: var(--surface); border: 1px solid var(--line); border-radius: 20px; padding: 32px; box-shadow: var(--shadow); }
.auth-card h1 { margin-bottom: 4px; }
.auth-card > .muted { margin-bottom: 22px; }
.auth-links { display: flex; justify-content: space-between; gap: 12px; margin-top: 18px; font-size: 0.9rem; flex-wrap: wrap; }

.prose { max-width: 760px; padding: 40px 0; }
.prose h2 { margin-top: 1.6em; }
.prose p, .prose li { color: var(--text-muted); }

/* ---- Account centre ---- */

.account-shell { display: grid; grid-template-columns: 200px 1fr; gap: 28px; padding: 32px 0; align-items: start; }
.account-nav { display: grid; gap: 2px; position: sticky; top: 84px; }
.account-nav a { color: var(--text); padding: 9px 14px; border-radius: var(--radius-small); }
.account-nav a:hover { background: var(--surface-muted); text-decoration: none; }
.account-nav a[aria-current="page"] { background: var(--accent-soft); color: var(--accent-strong); font-weight: 600; }
.account-content { min-width: 0; }
.profile-hero { display: flex; align-items: center; gap: 18px; }
.profile-hero h1 { margin: 0 0 2px; font-size: 1.5rem; }
.profile-hero p { margin: 0; }
.order-result { padding: 8px 0 12px; border-bottom: 1px solid var(--line); }

/* ---- Admin ---- */

.admin-shell { display: grid; grid-template-columns: 220px 1fr; min-height: 100vh; }
.admin-sidebar { background: var(--surface); border-right: 1px solid var(--line); padding: 20px 14px; display: flex; flex-direction: column; gap: 20px; position: sticky; top: 0; height: 100vh; }
.admin-sidebar .brand { padding: 0 8px; }
.admin-sidebar nav { display: grid; gap: 2px; }
.admin-sidebar nav a { color: var(--text); padding: 8px 12px; border-radius: var(--radius-small); }
.admin-sidebar nav a:hover { background: var(--surface-muted); text-decoration: none; }
.admin-sidebar nav a[aria-current="page"] { background: var(--accent-soft); color: var(--accent-strong); font-weight: 600; }
.admin-account { margin-top: auto; display: flex; justify-content: space-between; align-items: center; padding: 0 8px; }
.admin-main { padding: 28px 32px; min-width: 0; }
.stat-grid-4 { grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); }
.library-layout { display: grid; grid-template-columns: 260px 1fr; gap: 16px; align-items: start; }
.playlist-nav { display: grid; gap: 2px; padding: 8px; max-height: 70vh; overflow: auto; }
.playlist-nav a { display: flex; justify-content: space-between; gap: 8px; padding: 8px 10px; border-radius: var(--radius-small); color: var(--text); }
.playlist-nav a[aria-current="page"] { background: var(--accent-soft); color: var(--accent-strong); }
.plans-table input[type="number"] { width: 110px; }
.admin-login .auth-card .brand { margin-bottom: 18px; }

@media (max-width: 860px) {
  .hero { padding: 40px 0 24px; }
  .hero-inner { grid-template-columns: 1fr; }
  .hero-art { display: none; }
  .account-shell { grid-template-columns: 1fr; padding: 16px 0; gap: 16px; }
  .account-nav { position: static; display: flex; overflow-x: auto; gap: 4px; padding-bottom: 4px; }
  .account-nav a { white-space: nowrap; }
  .admin-shell { grid-template-columns: 1fr; }
  .admin-sidebar { position: static; height: auto; border-right: 0; border-bottom: 1px solid var(--line); }
  .admin-sidebar nav { display: flex; overflow-x: auto; }
  .admin-sidebar nav a { white-space: nowrap; }
  .admin-main { padding: 16px; }
  .library-layout { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
  .header-user span { display: none; }
}