:root,
html[data-theme="deep_cyan"] {
  --page: #07101c;
  --sidebar: #0b1726;
  --surface: #11243a;
  --surface-2: #152c45;
  --border: #29445f;
  --accent: #25d6f2;
  --accent-text: #07101c;
  --info: #4d82ff;
  --success: #b8f34a;
  --danger: #ff7262;
  --warning: #f0c040;
  --text: #f3f7fc;
  --muted: #9eb0c5;
  --subtle: #6f849b;
  --shadow: 0 18px 50px rgb(0 0 0 / 28%);
}

html[data-theme="deep_green"] {
  --page: #071512;
  --sidebar: #0b1e19;
  --surface: #123129;
  --surface-2: #173c32;
  --border: #2b5548;
  --accent: #45e0a8;
  --accent-text: #06130f;
  --text: #f3fbf7;
  --muted: #a3c4b7;
  --subtle: #719588;
}

html[data-theme="light"] {
  color-scheme: light;
  --page: #f4f7fa;
  --sidebar: #eaf0f5;
  --surface: #fff;
  --surface-2: #e3edf4;
  --border: #c6d4df;
  --accent: #087f9c;
  --accent-text: #fff;
  --info: #275fc6;
  --success: #467300;
  --danger: #b42318;
  --warning: #8a6000;
  --text: #142333;
  --muted: #52677b;
  --subtle: #718397;
  --shadow: 0 18px 50px rgb(35 55 72 / 14%);
}

html[data-theme="high_contrast"] {
  --page: #000;
  --sidebar: #080808;
  --surface: #111;
  --surface-2: #1d1d1d;
  --border: #fff;
  --accent: #00e5ff;
  --accent-text: #000;
  --info: #62a0ff;
  --success: #caff4d;
  --danger: #ff7b70;
  --warning: #ffe45c;
  --text: #fff;
  --muted: #d6e2ea;
  --subtle: #bac8d0;
}

* { box-sizing: border-box; }
html { min-width: 1040px; background: var(--page); }
body {
  margin: 0;
  min-height: 100vh;
  background: var(--page);
  color: var(--text);
  font: 14px/1.5 Inter, "Noto Sans SC", "Microsoft YaHei", "Segoe UI", sans-serif;
}
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }
button:disabled { cursor: not-allowed; opacity: .48; }
[hidden] { display: none !important; }
h1, h2, h3, p { margin-top: 0; }
h1 { font-size: 26px; margin-bottom: 4px; }
h2 { font-size: 20px; }
h3 { font-size: 16px; }
.muted { color: var(--muted); }
.footnote { color: var(--subtle); font-size: 12px; margin: 18px 0 0; }
.mono { font-family: Consolas, "SFMono-Regular", monospace; }

.auth-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 32px;
  background:
    radial-gradient(circle at 50% 0%, color-mix(in srgb, var(--accent) 16%, transparent), transparent 34%),
    var(--page);
}
.auth-card {
  width: 460px;
  padding: 34px;
  border: 1px solid var(--border);
  border-radius: 20px;
  background: var(--surface);
  box-shadow: var(--shadow);
}
.brand { display: flex; align-items: center; gap: 12px; padding: 22px; }
.brand-large { padding: 0 0 30px; }
.brand strong, .brand small { display: block; }
.brand strong { font-size: 17px; }
.brand small { color: var(--subtle); font-size: 11px; margin-top: 2px; }
.brand-mark {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--accent);
  color: var(--accent-text);
  font-weight: 800;
}
.brand-large .brand-mark { width: 46px; height: 46px; font-size: 18px; }
.form-stack { display: grid; gap: 16px; }
label { display: grid; gap: 7px; color: var(--muted); font-size: 12px; font-weight: 650; }
label > small { color: var(--subtle); font-size: 11px; font-weight: 400; }
.password-field { position: relative; display: block; }
.password-field input { padding-right: 64px; }
.password-toggle {
  position: absolute;
  top: 50%;
  right: 7px;
  min-width: 46px;
  padding: 5px 7px;
  transform: translateY(-50%);
  border: 0;
  border-radius: 7px;
  color: var(--accent);
  background: transparent;
  font-size: 12px;
  font-weight: 700;
}
.password-toggle:hover, .password-toggle:focus-visible { background: var(--surface-2); outline: 0; }
.forgot-password-button {
  display: block;
  margin: 12px 0 0 auto;
  padding: 3px 0;
  border: 0;
  color: var(--accent);
  background: transparent;
  font-size: 12px;
}
.recovery-note { padding: 12px 14px; border: 1px solid var(--border); border-radius: 10px; color: var(--muted); background: var(--page); }
.recovery-note strong { color: var(--text); }
.recovery-steps { margin: 0; padding-left: 22px; color: var(--muted); }
.recovery-steps li + li { margin-top: 8px; }
input, select, textarea {
  width: 100%;
  min-height: 40px;
  padding: 9px 12px;
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 10px;
  outline: none;
  background: var(--page);
}
input:focus, select:focus, textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 16%, transparent); }
select option { color: var(--text); background: var(--surface); }
.segmented { display: flex; padding: 4px; margin: 18px 0; border: 1px solid var(--border); border-radius: 11px; background: var(--page); }
.segmented button { flex: 1; padding: 8px; border: 0; border-radius: 8px; color: var(--muted); background: transparent; }
.segmented button.active { color: var(--text); background: var(--surface-2); }

.button {
  min-height: 38px;
  padding: 8px 15px;
  border: 1px solid transparent;
  border-radius: 10px;
  color: var(--text);
  background: var(--surface-2);
  font-weight: 700;
}
.button.primary { color: var(--accent-text); background: var(--accent); }
.button.ghost { border-color: var(--border); background: transparent; }
.button.danger { color: var(--danger); border-color: color-mix(in srgb, var(--danger) 45%, transparent); background: transparent; }
.button.big { min-height: 52px; padding-inline: 22px; font-size: 15px; }
.icon-button { display: grid; place-items: center; width: 36px; height: 36px; padding: 0; border: 0; border-radius: 9px; color: var(--muted); background: transparent; }
.icon-button:hover { color: var(--text); background: var(--surface-2); }

.app-shell { min-height: 100vh; }
.sidebar {
  position: fixed;
  inset: 0 auto 0 0;
  z-index: 10;
  display: flex;
  width: 232px;
  flex-direction: column;
  border-right: 1px solid var(--border);
  background: var(--sidebar);
}
.main-nav { flex: 1; overflow-y: auto; padding: 8px 12px; scrollbar-width: thin; scrollbar-color: var(--border-strong) transparent; }
.main-nav::-webkit-scrollbar { width: 6px; }
.main-nav::-webkit-scrollbar-track { background: transparent; }
.main-nav::-webkit-scrollbar-thumb { border-radius: 999px; background: var(--border-strong); }
.nav-section { padding: 18px 12px 7px; color: var(--subtle); font-size: 10px; font-weight: 800; letter-spacing: .12em; }
.nav-item {
  display: flex;
  align-items: center;
  width: 100%;
  gap: 11px;
  margin: 2px 0;
  padding: 11px 12px;
  border: 0;
  border-left: 3px solid transparent;
  border-radius: 9px;
  color: var(--muted);
  background: transparent;
  text-align: left;
}
.nav-item:hover { color: var(--text); background: var(--surface-2); }
.nav-item.active { color: var(--accent); border-left-color: var(--accent); background: color-mix(in srgb, var(--accent) 9%, transparent); }
.nav-icon { width: 20px; text-align: center; font-size: 16px; }
.account-card { display: flex; align-items: center; gap: 10px; margin: 12px; padding: 10px; border: 1px solid var(--border); border-radius: 13px; background: var(--surface); }
.avatar { display: grid; place-items: center; flex: 0 0 34px; height: 34px; border-radius: 50%; color: var(--accent); background: var(--surface-2); font-weight: 800; }
.account-copy { min-width: 0; flex: 1; }
.account-copy strong, .account-copy small { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.account-copy small { color: var(--subtle); font-size: 10px; }

.workspace { min-height: 100vh; margin-left: 232px; }
.topbar { position: sticky; top: 0; z-index: 8; display: flex; min-height: 68px; align-items: center; justify-content: space-between; padding: 12px 24px; border-bottom: 1px solid var(--border); background: color-mix(in srgb, var(--page) 92%, transparent); backdrop-filter: blur(12px); }
.topbar h1 { font-size: 23px; }
.topbar p { margin: 0; font-size: 12px; }
.topbar-actions, .toolbar { display: flex; align-items: center; gap: 10px; }
.page-content { padding: 24px; }
.page-content:focus { outline: 0; }

.status, .badge { display: inline-flex; align-items: center; gap: 6px; width: fit-content; border-radius: 999px; font-size: 11px; font-weight: 700; }
.status { padding: 6px 10px; border: 1px solid var(--border); }
.badge { padding: 3px 8px; }
.success { color: var(--success); background: color-mix(in srgb, var(--success) 10%, transparent); }
.warning { color: var(--warning); background: color-mix(in srgb, var(--warning) 10%, transparent); }
.danger { color: var(--danger); background: color-mix(in srgb, var(--danger) 10%, transparent); }
.info { color: var(--accent); background: color-mix(in srgb, var(--accent) 10%, transparent); }

.grid { display: grid; gap: 16px; }
.stats-grid { grid-template-columns: repeat(6, minmax(130px, 1fr)); }
.two-column { grid-template-columns: minmax(0, 2fr) minmax(300px, 1fr); }
.card { border: 1px solid color-mix(in srgb, var(--border) 72%, transparent); border-radius: 15px; background: var(--surface); box-shadow: 0 8px 22px rgb(0 0 0 / 8%); }
.card-body { padding: 18px; }
.card-header { display: flex; align-items: center; justify-content: space-between; gap: 14px; padding: 16px 18px; border-bottom: 1px solid var(--border); }
.card-header h2, .card-header h3 { margin: 0; }
.stat-card { min-height: 104px; padding: 16px; }
.stat-card small { color: var(--subtle); }
.stat-card strong { display: block; margin-top: 12px; font-size: 25px; font-variant-numeric: tabular-nums; }
.download-hero { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 22px; border-color: color-mix(in srgb, var(--accent) 38%, var(--border)); background: linear-gradient(100deg, color-mix(in srgb, var(--accent) 8%, var(--surface)), var(--surface) 62%); }
.download-hero h2 { margin-bottom: 6px; }
.download-metrics { display: flex; flex-wrap: wrap; gap: 8px 20px; margin-top: 12px; color: var(--muted); font-size: 12px; }
.download-metrics strong { color: var(--text); }

.table-wrap { overflow: auto; }
table { width: 100%; border-collapse: collapse; text-align: left; }
th { padding: 12px 14px; color: var(--subtle); background: color-mix(in srgb, var(--page) 45%, transparent); font-size: 11px; letter-spacing: .04em; white-space: nowrap; }
td { padding: 13px 14px; border-top: 1px solid color-mix(in srgb, var(--border) 48%, transparent); color: var(--muted); vertical-align: middle; }
tbody tr:hover { background: var(--surface-2); }
td strong { color: var(--text); }
.cell-actions { display: flex; gap: 8px; align-items: center; }
.link-button { padding: 0; border: 0; color: var(--accent); background: transparent; }
.switch { position: relative; width: 42px; height: 23px; border: 1px solid var(--border); border-radius: 999px; background: var(--page); }
.switch::after { content: ""; position: absolute; top: 3px; left: 3px; width: 15px; height: 15px; border-radius: 50%; background: var(--subtle); transition: .15s; }
.switch.on { background: var(--accent); }
.switch.on::after { left: 22px; background: var(--accent-text); }
.switch.locked { opacity: .72; }
.empty { padding: 38px; color: var(--subtle); text-align: center; }
.filters { display: grid; grid-template-columns: repeat(4, minmax(140px, 1fr)); gap: 12px; }

.theme-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.theme-card { position: relative; padding: 14px; border: 2px solid var(--border); border-radius: 14px; background: var(--surface); text-align: left; }
.theme-card.selected { border-color: var(--accent); box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 12%, transparent); }
.theme-preview { display: grid; height: 88px; grid-template-columns: 28% 72%; margin-bottom: 11px; overflow: hidden; border: 1px solid var(--border); border-radius: 9px; background: var(--preview-page); }
.theme-preview::before { content: ""; background: var(--preview-sidebar); }
.theme-preview::after { content: ""; width: 62%; height: 20px; margin: 14px; border-radius: 5px; background: var(--preview-accent); box-shadow: 0 30px 0 var(--preview-surface); }
.theme-card strong, .theme-card small { display: block; }
.theme-card small { color: var(--subtle); margin-top: 3px; }

.toast-region { position: fixed; top: 18px; right: 18px; z-index: 100; display: grid; gap: 10px; }
.toast { width: 330px; padding: 13px 15px; border: 1px solid var(--border); border-left: 4px solid var(--accent); border-radius: 10px; background: var(--surface); box-shadow: var(--shadow); }
.toast.error { border-left-color: var(--danger); }
.app-dialog { width: min(680px, 90vw); padding: 0; border: 1px solid var(--border); border-radius: 16px; color: var(--text); background: var(--surface); box-shadow: var(--shadow); }
.app-dialog::backdrop { background: rgb(0 0 0 / 55%); backdrop-filter: blur(3px); }
.dialog-frame > header { display: flex; align-items: center; justify-content: space-between; padding: 17px 20px; border-bottom: 1px solid var(--border); }
.dialog-frame h2 { margin: 0; }
.dialog-content { padding: 20px; }
.dialog-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 20px; }
.progress { height: 7px; overflow: hidden; border-radius: 99px; background: var(--page); }
.progress > span { display: block; height: 100%; background: var(--accent); }
.site-compliance { position: fixed; right: 16px; bottom: 10px; z-index: 30; display: flex; align-items: center; gap: 10px; max-width: calc(100vw - 32px); padding: 7px 11px; border: 1px solid color-mix(in srgb, var(--border) 72%, transparent); border-radius: 999px; color: var(--subtle); background: color-mix(in srgb, var(--surface) 94%, transparent); box-shadow: 0 5px 16px rgb(0 0 0 / 12%); font-size: 11px; backdrop-filter: blur(10px); }
.site-compliance[hidden], .site-compliance a[hidden] { display: none; }
.site-compliance a { color: var(--muted); text-decoration: none; }
.site-compliance a:hover { color: var(--accent); text-decoration: underline; }

@media (max-width: 1220px) {
  .stats-grid { grid-template-columns: repeat(3, 1fr); }
  .theme-grid { grid-template-columns: repeat(2, 1fr); }
  .filters { grid-template-columns: repeat(2, 1fr); }
}

@media (prefers-reduced-motion: no-preference) {
  .page-content { animation: page-in .16s ease-out; }
  .button, .nav-item, .theme-card { transition: border-color .15s, background .15s, color .15s, transform .15s; }
  .button:not(:disabled):active { transform: translateY(1px); }
  @keyframes page-in { from { opacity: 0; transform: translateY(3px); } }
}