:root {
  --a-bg: #f4f1e9;
  --a-card: #fffdf8;
  --a-ink: #172824;
  --a-ink-2: #2d403a;
  --a-muted: #71807a;
  --a-line: #e6dfd2;
  --a-teal: #0f5c51;
  --a-teal-2: #15796a;
  --a-orange: #d97843;
  --a-dark: #0b211d;
  --a-radius: 16px;
  --a-font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
  --a-serif: "Songti SC", "STSong", "Noto Serif SC", Georgia, serif;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--a-font);
  font-size: 14px;
  line-height: 1.6;
  color: var(--a-ink);
  background: var(--a-bg);
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; color: inherit; }
button { cursor: pointer; }
h1, h2, h3, p, ul, ol { margin: 0; }
ul, ol { padding: 0; list-style: none; }
img, video { display: block; max-width: 100%; }
:focus-visible { outline: 3px solid rgba(217, 120, 67, 0.4); outline-offset: 2px; }

/* ---------- Shell ---------- */
.admin-body { display: flex; min-height: 100vh; }
.admin-sidebar {
  position: fixed;
  z-index: 80;
  top: 0; left: 0; bottom: 0;
  display: flex;
  flex-direction: column;
  width: 248px;
  padding: 22px 16px;
  background: var(--a-dark);
  color: #fff;
  transition: transform 0.25s;
}
.admin-brand { display: flex; align-items: center; gap: 10px; padding: 4px 8px 24px; }
.admin-brand-mark { width: 34px; height: 34px; color: #f0b28d; flex-shrink: 0; }
.admin-brand-mark svg { width: 100%; height: 100%; }
.admin-brand > span:last-child { display: flex; flex-direction: column; line-height: 1.2; }
.admin-brand strong { font-family: var(--a-serif); font-size: 18px; letter-spacing: 0.05em; }
.admin-brand small { margin-top: 4px; font-size: 9px; color: rgba(255, 255, 255, 0.42); letter-spacing: 0.1em; }
.admin-nav { display: flex; flex-direction: column; gap: 3px; }
.admin-nav a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 10px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.62);
  transition: 0.18s;
}
.admin-nav a:hover { background: rgba(255, 255, 255, 0.06); color: #fff; }
.admin-nav a.active { background: rgba(47, 179, 155, 0.16); color: #fff; }
.admin-nav svg { width: 18px; height: 18px; flex-shrink: 0; }
.admin-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 18px;
  height: 18px;
  padding: 0 5px;
  border-radius: 999px;
  background: rgba(217, 120, 67, 0.2);
  color: #f0b28d;
  font-size: 9px;
  font-weight: 700;
  margin-left: auto;
}
.admin-sidebar-foot { margin-top: auto; padding: 18px 8px 4px; border-top: 1px solid rgba(255, 255, 255, 0.09); display: flex; flex-direction: column; gap: 8px; }
.admin-sidebar-foot a { font-size: 11px; color: rgba(255, 255, 255, 0.45); }
.admin-sidebar-foot a:hover { color: #f0b28d; }

.admin-main { flex: 1; min-width: 0; margin-left: 248px; }
.admin-topbar {
  position: sticky;
  top: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  gap: 16px;
  min-height: 72px;
  padding: 0 30px;
  background: rgba(244, 241, 233, 0.9);
  border-bottom: 1px solid var(--a-line);
  backdrop-filter: blur(12px);
}
.admin-menu-btn { display: none; width: 38px; height: 38px; border: 1px solid var(--a-line); border-radius: 10px; background: var(--a-card); padding: 10px; }
.admin-menu-btn span { display: block; height: 1.5px; background: var(--a-ink); margin: 3px 0; }
.admin-title h1 { font-family: var(--a-serif); font-size: 22px; font-weight: 600; letter-spacing: -0.01em; }
.admin-user { display: flex; align-items: center; gap: 9px; margin-left: auto; font-size: 12px; }
.admin-user-avatar { display: grid; place-items: center; width: 30px; height: 30px; border-radius: 50%; background: var(--a-teal); color: #fff; font-size: 12px; }
.admin-user-name { color: var(--a-ink-2); }
.admin-link-btn { border: 0; background: none; padding: 0; color: var(--a-muted); font-size: 11px; text-decoration: underline; text-underline-offset: 3px; }
.admin-link-btn:hover { color: var(--a-orange); }
.admin-content { max-width: 1380px; padding: 28px 30px 60px; }
.admin-flash { margin: 18px 30px 0; padding: 11px 16px; border-radius: 10px; font-size: 12.5px; }
.admin-flash-success { background: #e4f4ee; border: 1px solid #bfe5d9; color: #126454; }
.admin-flash-error { background: #fbe9e4; border: 1px solid #f3c8bd; color: #9f3d2c; }

/* ---------- Cards ---------- */
.admin-card {
  background: var(--a-card);
  border: 1px solid var(--a-line);
  border-radius: var(--a-radius);
  padding: 22px;
  margin-bottom: 18px;
  box-shadow: 0 2px 10px rgba(15, 45, 38, 0.025);
}
.admin-card-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 20px; margin-bottom: 16px; }
.admin-card-head h2 { font-family: var(--a-serif); font-size: 19px; font-weight: 600; }
.admin-card-head p { margin-top: 4px; font-size: 11.5px; color: var(--a-muted); }
.admin-link { font-size: 11px; color: var(--a-teal); font-weight: 600; white-space: nowrap; }
.admin-link:hover { color: var(--a-orange); }
.admin-hint { margin-top: 10px; font-size: 11px; line-height: 1.7; color: var(--a-muted); }
.admin-hint code, .admin-note-card code { padding: 1px 5px; border-radius: 4px; background: var(--a-bg); color: var(--a-teal); font-size: 10.5px; }
.admin-empty { padding: 34px 20px; text-align: center; color: var(--a-muted); font-size: 12px; border: 1px dashed var(--a-line); border-radius: 12px; }
.admin-empty-sm { padding: 20px; }
.admin-note-card { background: #fbf7ee; }
.admin-note-card h3 { font-family: var(--a-serif); font-size: 16px; margin-bottom: 8px; }
.admin-note-card p { font-size: 11.5px; line-height: 1.8; color: var(--a-muted); margin-bottom: 8px; }
.admin-note-card p:last-child { margin-bottom: 0; }

/* ---------- Stats ---------- */
.admin-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-bottom: 18px; }
.admin-stat { padding: 20px; border-radius: var(--a-radius); background: var(--a-card); border: 1px solid var(--a-line); }
.admin-stat-label { display: block; font-size: 11px; color: var(--a-muted); }
.admin-stat strong { display: block; margin: 8px 0 4px; font-family: var(--a-serif); font-size: 34px; font-weight: 600; line-height: 1; }
.admin-stat-sub { font-size: 10px; color: var(--a-muted); }
.admin-stat-accent { background: var(--a-teal); border-color: var(--a-teal); color: #fff; }
.admin-stat-accent .admin-stat-label, .admin-stat-accent .admin-stat-sub { color: rgba(255, 255, 255, 0.6); }
.admin-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; align-items: start; }

/* ---------- Parse ---------- */
.admin-parse-card { border-color: rgba(15, 92, 81, 0.22); background: linear-gradient(135deg, #fffdf8, #f1f8f4); }
.admin-parse-form { display: flex; gap: 10px; }
.admin-parse-form input { flex: 1; min-width: 0; padding: 11px 14px; border: 1px solid var(--a-line); border-radius: 10px; background: #fff; font-size: 13px; outline: none; }
.admin-parse-form input:focus { border-color: var(--a-teal); }
.admin-search { display: flex; align-items: center; gap: 10px; margin-bottom: 16px; }
.admin-search input { flex: 1; max-width: 320px; padding: 9px 12px; border: 1px solid var(--a-line); border-radius: 9px; background: #fff; font-size: 12px; outline: none; }
.admin-search input:focus { border-color: var(--a-teal); }

/* ---------- Buttons ---------- */
.admin-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-height: 38px;
  padding: 8px 16px;
  border: 1px solid var(--a-line);
  border-radius: 9px;
  background: #fff;
  color: var(--a-ink-2);
  font-size: 12px;
  font-weight: 500;
  white-space: nowrap;
  transition: 0.18s;
}
.admin-btn:hover { border-color: var(--a-teal); color: var(--a-teal); }
.admin-btn-primary { background: var(--a-teal); border-color: var(--a-teal); color: #fff; }
.admin-btn-primary:hover { background: #0c4d44; color: #fff; }
.admin-btn-danger { color: #a33d2c; }
.admin-btn-danger:hover { border-color: #c75a45; color: #a33d2c; background: #fdf0ec; }
.admin-btn-sm { min-height: 30px; padding: 4px 9px; font-size: 10.5px; border-radius: 7px; }
.admin-btn-block { width: 100%; }

/* ---------- Table ---------- */
.admin-table-wrap { overflow-x: auto; margin: 0 -4px; }
.admin-table { width: 100%; border-collapse: collapse; font-size: 12px; min-width: 760px; }
.admin-table th { padding: 10px 10px; text-align: left; font-size: 10px; font-weight: 600; color: var(--a-muted); letter-spacing: 0.04em; border-bottom: 1px solid var(--a-line); white-space: nowrap; }
.admin-table td { padding: 11px 10px; border-bottom: 1px solid #f0ece2; vertical-align: middle; }
.admin-table tr:hover td { background: #fcfaf4; }
.admin-table a { color: var(--a-teal); }
.admin-table a:hover { text-decoration: underline; text-underline-offset: 2px; }
.admin-cell-main strong { display: block; max-width: 340px; font-size: 12.5px; font-weight: 600; line-height: 1.5; }
.admin-cell-main small { display: block; margin-top: 3px; font-size: 9.5px; color: var(--a-muted); }
.admin-cell-message { max-width: 260px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--a-muted); }
.admin-thumb { width: 44px; height: 58px; border-radius: 8px; object-fit: cover; border: 1px solid var(--a-line); background: var(--a-bg); }
.admin-thumb-wide { width: 68px; height: 46px; }
.admin-tag { display: inline-block; padding: 2px 7px; border-radius: 999px; background: var(--a-bg); color: var(--a-muted); font-size: 9.5px; white-space: nowrap; }
.admin-badge.ok { background: #e4f4ee; color: #126454; }
.admin-badge.new { background: #f7efe2; color: #9a6a32; }
.admin-badge.warn { background: #fdf0e4; color: #a35d27; }
.admin-actions { display: flex; flex-wrap: wrap; gap: 5px; align-items: center; }
.admin-actions form { display: inline-flex; }
.admin-pagination { display: flex; flex-wrap: wrap; gap: 6px; justify-content: center; margin-top: 20px; }
.admin-pagination a { display: grid; place-items: center; min-width: 32px; height: 32px; padding: 0 10px; border: 1px solid var(--a-line); border-radius: 8px; font-size: 11px; background: #fff; }
.admin-pagination a:hover, .admin-pagination a.active { background: var(--a-teal); border-color: var(--a-teal); color: #fff; }
.admin-filter-tabs { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 18px; padding-bottom: 14px; border-bottom: 1px solid var(--a-line); }
.admin-filter-tabs a { padding: 6px 12px; border-radius: 999px; border: 1px solid var(--a-line); font-size: 11px; color: var(--a-muted); }
.admin-filter-tabs a:hover, .admin-filter-tabs a.active { background: var(--a-teal); border-color: var(--a-teal); color: #fff; }

/* ---------- Dashboard widgets ---------- */
.admin-quick { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.admin-quick a { display: flex; flex-direction: column; gap: 3px; padding: 14px; border: 1px solid var(--a-line); border-radius: 12px; transition: 0.18s; }
.admin-quick a:hover { border-color: var(--a-teal); background: #fbfdf9; }
.admin-quick span { font-family: var(--a-serif); font-size: 11px; color: var(--a-orange); }
.admin-quick strong { font-size: 12.5px; }
.admin-quick small { font-size: 10px; color: var(--a-muted); }
.admin-video-list { display: flex; flex-direction: column; }
.admin-video-row { display: flex; align-items: center; gap: 11px; padding: 9px 0; border-top: 1px solid #f0ece2; }
.admin-video-row:first-child { border-top: 0; }
.admin-video-row img { width: 38px; height: 50px; border-radius: 7px; object-fit: cover; background: var(--a-bg); }
.admin-video-row > span { flex: 1; min-width: 0; }
.admin-video-row strong { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 12px; font-weight: 600; }
.admin-video-row small { display: block; margin-top: 3px; font-size: 9.5px; color: var(--a-muted); }
.admin-video-row em { font-style: normal; }
.admin-stat, .admin-card { animation: fadeUp 0.35s ease both; }
@keyframes fadeUp { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

/* ---------- Forms ---------- */
.admin-page-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 20px; margin-bottom: 18px; }
.admin-back { display: inline-block; margin-bottom: 6px; font-size: 11px; color: var(--a-teal); }
.admin-page-head p { font-size: 11.5px; color: var(--a-muted); }
.admin-form-grid { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 20px; align-items: start; }
.admin-form-main { min-width: 0; }
.admin-form-side { position: sticky; top: 92px; }
.admin-field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 14px; }
.admin-field:last-child { margin-bottom: 0; }
.admin-field > span { font-size: 11px; font-weight: 600; color: var(--a-ink-2); }
.admin-field > span em { font-style: normal; color: var(--a-orange); }
.admin-field input, .admin-field textarea, .admin-field select {
  width: 100%;
  padding: 9px 12px;
  border: 1px solid var(--a-line);
  border-radius: 9px;
  background: #fff;
  font-size: 12.5px;
  outline: none;
  transition: border-color 0.18s;
}
.admin-field textarea { resize: vertical; line-height: 1.7; }
.admin-field input:focus, .admin-field textarea:focus, .admin-field select:focus { border-color: var(--a-teal); }
.admin-field small { font-size: 10px; line-height: 1.6; color: var(--a-muted); }
.admin-field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.admin-field-row.three { grid-template-columns: 1fr 1fr 1fr; }
.admin-field-row .admin-field { margin-bottom: 14px; }
.admin-code { font-family: "SFMono-Regular", Consolas, monospace; font-size: 12px !important; line-height: 1.7 !important; }
.admin-form-actions { display: flex; gap: 10px; padding: 4px 0 10px; }
.admin-cover-preview { overflow: hidden; border-radius: 12px; border: 1px solid var(--a-line); background: var(--a-bg); aspect-ratio: 3 / 4; margin-bottom: 12px; }
.admin-cover-preview img { width: 100%; height: 100%; object-fit: cover; }
.admin-cover-preview-wide { aspect-ratio: 16 / 9; }
.admin-video-preview { width: 100%; max-height: 380px; border-radius: 12px; background: #000; }
.admin-parse-result { margin-bottom: 16px; padding: 14px 16px; border-radius: 12px; border: 1px solid #bfe5d9; background: #edf9f4; color: #126454; font-size: 12px; line-height: 1.7; }
.admin-parse-result.is-error { border-color: #f3c8bd; background: #fdf1ed; color: #9f3d2c; }
.admin-parse-result ul { margin-top: 6px; padding-left: 16px; list-style: disc; }
.admin-parse-result li { margin: 2px 0; }
.admin-parse-id { display: inline-block; margin-top: 6px; padding: 2px 7px; border-radius: 5px; background: rgba(255, 255, 255, 0.6); font-size: 10px; }
.admin-source { display: grid; gap: 8px; }
.admin-source > div {
  display: grid; grid-template-columns: 84px 1fr; gap: 12px;
  padding: 10px 12px; border-radius: 9px; background: var(--a-bg);
  font-size: 11px; line-height: 1.7;
}
.admin-source span { color: var(--a-muted); }
.admin-source strong, .admin-source a, .admin-source small { word-break: break-all; color: var(--a-ink-2); }
.admin-source a { color: var(--a-teal); }
.admin-settings-form .admin-card { margin-bottom: 16px; }
.admin-password-form { margin-top: 18px; }
.admin-deploy-note { margin-top: 18px; }

/* ---------- Auth ---------- */
.auth-body { background: var(--a-dark); }
.auth-shell { display: grid; grid-template-columns: 1.05fr 0.95fr; min-height: 100vh; }
.auth-visual {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 44px 54px;
  color: #fff;
  overflow: hidden;
  background:
    radial-gradient(circle at 80% 20%, rgba(217, 120, 67, 0.22), transparent 34%),
    radial-gradient(circle at 18% 80%, rgba(47, 179, 155, 0.18), transparent 36%),
    var(--a-dark);
}
.auth-visual::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.22;
  background: repeating-linear-gradient(90deg, transparent 0 119px, rgba(255, 255, 255, 0.08) 119px 120px);
  mask-image: linear-gradient(to bottom, black, transparent);
  -webkit-mask-image: linear-gradient(to bottom, black, transparent);
}
.auth-brand { position: relative; display: inline-flex; align-items: center; gap: 11px; }
.auth-brand-mark { width: 36px; height: 36px; color: #f0b28d; }
.auth-brand-mark svg { width: 100%; height: 100%; }
.auth-brand > span:last-child { display: flex; flex-direction: column; line-height: 1.2; }
.auth-brand strong { font-family: var(--a-serif); font-size: 19px; letter-spacing: 0.05em; }
.auth-brand small { margin-top: 3px; font-size: 9px; color: rgba(255, 255, 255, 0.45); letter-spacing: 0.12em; }
.auth-visual-copy { position: relative; max-width: 520px; }
.auth-visual-copy .eyebrow { color: #f0b28d; }
.auth-visual-copy h1 { margin: 12px 0 18px; font-family: var(--a-serif); font-size: clamp(38px, 4.6vw, 62px); line-height: 1.15; font-weight: 600; letter-spacing: -0.02em; }
.auth-visual-copy p { max-width: 380px; font-size: 13px; line-height: 1.9; color: rgba(255, 255, 255, 0.55); }
.auth-visual-note { position: relative; font-size: 10px; letter-spacing: 0.1em; color: rgba(255, 255, 255, 0.3); }
.auth-panel { display: grid; place-items: center; padding: 34px; background: var(--a-bg); }
.auth-card { width: min(420px, 100%); padding: 38px; border-radius: 22px; background: var(--a-card); border: 1px solid var(--a-line); box-shadow: 0 30px 80px -40px rgba(11, 33, 29, 0.4); }
.auth-card h2 { font-family: var(--a-serif); font-size: 28px; font-weight: 600; }
.auth-card > p { margin: 8px 0 22px; font-size: 12px; color: var(--a-muted); }
.auth-card .admin-field { margin-bottom: 15px; }
.auth-card .admin-field input { padding: 11px 13px; font-size: 13px; }
.auth-card .admin-btn { margin-top: 6px; min-height: 44px; font-size: 13px; }
.auth-error { margin-bottom: 16px; padding: 9px 12px; border-radius: 8px; background: #fbe9e4; border: 1px solid #f3c8bd; color: #9f3d2c; font-size: 11.5px; }
.auth-links { display: flex; justify-content: space-between; gap: 14px; margin-top: 18px; font-size: 11px; color: var(--a-muted); }
.auth-links a:hover { color: var(--a-teal); }
.auth-hint { margin: 20px 0 0 !important; padding-top: 16px; border-top: 1px solid var(--a-line); font-size: 10px !important; line-height: 1.8; color: var(--a-muted); }
.auth-hint code { padding: 1px 4px; border-radius: 4px; background: var(--a-bg); color: var(--a-teal); font-size: 9.5px; }

/* ---------- Responsive ---------- */
@media (max-width: 1120px) {
  .admin-stats { grid-template-columns: 1fr 1fr; }
  .admin-form-grid { grid-template-columns: 1fr; }
  .admin-form-side { position: static; display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
  .admin-form-side .admin-card { margin-bottom: 0; }
}

@media (max-width: 900px) {
  .admin-sidebar { transform: translateX(-100%); }
  .admin-sidebar.is-open { transform: translateX(0); box-shadow: 0 0 80px rgba(0, 0, 0, 0.4); }
  .admin-main { margin-left: 0; }
  .admin-menu-btn { display: block; }
  .admin-topbar { padding: 0 18px; }
  .admin-content { padding: 20px 18px 50px; }
  .admin-flash { margin: 14px 18px 0; }
  .admin-grid-2 { grid-template-columns: 1fr; }
  .auth-shell { grid-template-columns: 1fr; }
  .auth-visual { min-height: 280px; padding: 30px; }
  .auth-visual-copy h1 { font-size: 40px; }
  .auth-visual-copy p, .auth-visual-note { display: none; }
  .auth-panel { padding: 24px; }
}

@media (max-width: 640px) {
  .admin-stats { grid-template-columns: 1fr 1fr; gap: 10px; }
  .admin-stat { padding: 15px; }
  .admin-stat strong { font-size: 28px; }
  .admin-card { padding: 16px; border-radius: 13px; }
  .admin-parse-form { flex-direction: column; }
  .admin-parse-form .admin-btn { width: 100%; }
  .admin-field-row, .admin-field-row.three { grid-template-columns: 1fr; }
  .admin-form-side { grid-template-columns: 1fr; }
  .admin-quick { grid-template-columns: 1fr; }
  .admin-title h1 { font-size: 18px; }
  .admin-user-name { display: none; }
  .auth-card { padding: 26px 20px; }
  .auth-visual { min-height: 220px; }
}