/* Bright workspace theme: one calm light system for entry, user, and admin views. */
:root {
  color-scheme: light;
  --bright-canvas: #f6f9fc;
  --bright-canvas-strong: #eef4f7;
  --bright-surface: #ffffff;
  --bright-surface-soft: #f8fbfc;
  --bright-surface-tint: #edf8f7;
  --bright-ink: #19324a;
  --bright-ink-strong: #102a43;
  --bright-muted: #687c8e;
  --bright-muted-soft: #8a9aaa;
  --bright-line: #dbe6ed;
  --bright-line-strong: #c7d7e1;
  --bright-accent: #148c85;
  --bright-accent-strong: #0b6d69;
  --bright-accent-soft: #e6f6f4;
  --bright-blue: #3478b8;
  --bright-blue-soft: #edf4fc;
  --bright-gold: #c8892d;
  --bright-gold-soft: #fff5e5;
  --bright-green: #2f9169;
  --bright-green-soft: #eaf7f0;
  --bright-coral: #c96c67;
  --bright-coral-soft: #fff0ef;
  --bright-shadow: 0 12px 32px rgba(25, 50, 74, 0.07);
  --bright-shadow-soft: 0 4px 16px rgba(25, 50, 74, 0.05);
  --bright-radius: 14px;
  --font-sans: "Microsoft YaHei", "PingFang SC", "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
}

html,
body {
  min-height: 100%;
  color: var(--bright-ink);
  background: var(--bright-canvas);
}

body {
  font-family: var(--font-sans);
  background: var(--bright-canvas);
  background-image:
    linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(246, 249, 252, 0.98));
}

body::before,
body:has(.shell) .ambient,
body:has(.access-page) .ambient {
  display: none !important;
}

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

button:focus-visible,
a:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
  box-shadow: 0 0 0 4px rgba(20, 140, 133, 0.14);
  border-color: var(--bright-accent);
}

/* Entry page */
body:has(.access-page) {
  color: var(--bright-ink);
  background: var(--bright-canvas);
}

body:has(.access-page) .access-page {
  color: var(--bright-ink);
  font-family: var(--font-sans);
}

body:has(.access-page) .access-header {
  border-bottom: 1px solid rgba(219, 230, 237, 0.8);
}

body:has(.access-page) .access-brand {
  color: var(--bright-muted);
}

body:has(.access-page) .access-brand span {
  border-left-color: var(--bright-line);
}

body:has(.access-page) .access-link {
  color: var(--bright-ink);
}

body:has(.access-page) .access-link:hover {
  color: var(--bright-accent-strong);
}

body:has(.access-page) .access-layout {
  gap: clamp(38px, 6vw, 88px);
}

body:has(.access-page) .access-story h1 {
  color: var(--bright-ink-strong);
  letter-spacing: 0 !important;
}

body:has(.access-page) .access-kicker,
body:has(.access-page) .access-role {
  color: var(--bright-accent-strong);
}

body:has(.access-page) .access-description,
body:has(.access-page) .access-scope span,
body:has(.access-page) .access-help,
body:has(.access-page) .access-footer {
  color: var(--bright-muted);
}

body:has(.access-page) .access-photo {
  border: 1px solid var(--bright-line);
  box-shadow: var(--bright-shadow-soft);
  background: var(--bright-surface-soft);
}

body:has(.access-page) .access-photo img {
  filter: saturate(0.78) brightness(1.06);
}

body:has(.access-page) .access-scope svg,
body:has(.access-page) .access-emblem {
  color: var(--bright-accent);
}

body:has(.access-page) .access-form-panel {
  border-color: var(--bright-line);
  border-radius: var(--bright-radius);
  background: var(--bright-surface);
  box-shadow: 0 18px 42px rgba(25, 50, 74, 0.09);
}

body:has(.access-page) .access-emblem {
  border-color: #c8e7e3;
  background: var(--bright-accent-soft);
}

body:has(.access-page) .access-form-heading h2 {
  color: var(--bright-ink-strong);
}

body:has(.access-page) .access-form-heading > p:last-child,
body:has(.access-page) .access-form-note {
  color: var(--bright-muted);
}

body:has(.access-page) .access-form > label {
  color: var(--bright-ink);
}

body:has(.access-page) .access-input,
body:has(.access-page) .access-page .access-form input {
  color: var(--bright-ink);
  border-color: var(--bright-line);
  background: var(--bright-surface-soft);
}

body:has(.access-page) .access-page .access-input input {
  background: transparent;
}

body:has(.access-page) .access-page input::placeholder {
  color: var(--bright-muted-soft);
}

body:has(.access-page) .access-input:focus-within,
body:has(.access-page) .access-form > input:focus {
  border-color: var(--bright-accent);
  background: var(--bright-surface);
  box-shadow: 0 0 0 3px var(--bright-accent-soft);
}

body:has(.access-page) .access-password-toggle {
  color: var(--bright-muted);
}

body:has(.access-page) .access-password-toggle:hover {
  color: var(--bright-accent-strong);
  background: var(--bright-accent-soft);
}

body:has(.access-page) .access-submit {
  border-color: var(--bright-accent);
  color: #ffffff;
  background: var(--bright-accent) !important;
  box-shadow: 0 8px 18px rgba(20, 140, 133, 0.18);
}

body:has(.access-page) .access-submit:hover {
  background: var(--bright-accent-strong) !important;
}

body:has(.access-page) .access-tabs {
  border-bottom-color: var(--bright-line);
}

body:has(.access-page) .access-tabs button {
  color: var(--bright-muted);
}

body:has(.access-page) .access-tabs button[aria-pressed="true"] {
  color: var(--bright-accent-strong);
  border-bottom-color: var(--bright-accent);
}

body:has(.access-page) .access-feedback {
  color: var(--bright-ink);
  border-left-color: var(--bright-accent);
  background: var(--bright-accent-soft);
}

body:has(.access-page) .access-feedback.error {
  color: #a1433f;
  border-left-color: #d96c66;
  background: var(--bright-coral-soft);
}

body:has(.access-page) .access-footer {
  border-top-color: var(--bright-line);
}

/* Shared workspace shell */
body:has(.shell) {
  color: var(--bright-ink);
  background: var(--bright-canvas);
}

body:has(.shell) .shell {
  background: transparent;
}

body:has(.shell) .sidebar {
  color: var(--bright-ink);
  border-right: 1px solid var(--bright-line);
  border-radius: 0;
  background: var(--bright-surface);
  box-shadow: 5px 0 22px rgba(25, 50, 74, 0.045);
}

body:has(.shell) .brand-logo-sidebar {
  width: 164px;
  padding: 6px 8px;
  border: 1px solid var(--bright-line);
  border-radius: 10px;
  background: var(--bright-surface);
}

body:has(.shell) .nav button {
  color: var(--bright-muted);
  border-color: transparent;
  border-radius: 10px;
  background: transparent;
  box-shadow: none;
}

body:has(.shell) .nav button:hover {
  color: var(--bright-accent-strong);
  border-color: #d8ecea;
  background: #f3faf9;
}

body:has(.shell) .nav button.active {
  color: var(--bright-accent-strong);
  border-color: #cde7e3;
  background: var(--bright-accent-soft);
  box-shadow: inset 3px 0 0 var(--bright-accent);
}

body:has(.shell) .nav button.active svg {
  color: var(--bright-accent);
}

body:has(.shell) .account-card {
  border-color: var(--bright-line);
  border-radius: 12px;
  background: var(--bright-surface-soft);
  box-shadow: none;
}

body:has(.shell) .account-card strong {
  color: var(--bright-ink-strong);
}

body:has(.shell) .account-card span {
  color: var(--bright-muted);
}

body:has(.shell) .account-card .avatar {
  color: #ffffff !important;
  background: var(--bright-accent);
  box-shadow: 0 5px 12px rgba(20, 140, 133, 0.18);
}

body:has(.shell) .account-meta span {
  color: var(--bright-accent-strong);
  background: var(--bright-accent-soft);
}

body:has(.shell) .sidebar .btn.ghost {
  color: var(--bright-ink);
  border-color: var(--bright-line);
  background: var(--bright-surface);
}

body:has(.shell) .sidebar .btn.ghost:hover:not(:disabled) {
  color: var(--bright-accent-strong);
  border-color: #acd8d4;
  background: var(--bright-accent-soft);
}

body:has(.shell) .main {
  color: var(--bright-ink);
  background: transparent;
}

body:has(.shell) .topbar {
  border-bottom-color: var(--bright-line);
  background: rgba(246, 249, 252, 0.94);
  box-shadow: none;
  backdrop-filter: blur(14px);
}

body:has(.shell) .topbar h2 {
  color: var(--bright-ink-strong);
  background: none;
  -webkit-text-fill-color: currentColor;
}

body:has(.shell) .breadcrumb,
body:has(.shell) .page-description,
body:has(.shell) .toolbar p {
  color: var(--bright-muted);
}

body:has(.shell) .breadcrumb span {
  color: var(--bright-accent-strong);
}

body:has(.shell) .enterprise-tag {
  color: var(--bright-accent-strong);
  border-color: #c8e7e3;
  background: var(--bright-accent-soft);
  box-shadow: none;
}

body:has(.shell) .model-pill {
  color: var(--bright-muted);
  border-color: var(--bright-line);
  background: var(--bright-surface);
  box-shadow: var(--bright-shadow-soft);
}

body:has(.shell) .model-pill strong {
  color: var(--bright-ink);
}

body:has(.shell) .status-light {
  background: var(--bright-green);
  box-shadow: 0 0 0 3px var(--bright-green-soft);
}

body:has(.shell) .commerce-strip {
  border-color: var(--bright-line);
  border-radius: var(--bright-radius);
  background: var(--bright-surface);
  box-shadow: var(--bright-shadow-soft);
}

body:has(.shell) .commerce-strip article,
body:has(.shell) .commerce-strip article:nth-child(n) {
  background: var(--bright-surface);
}

body:has(.shell) .commerce-strip article + article {
  border-left-color: var(--bright-line);
}

body:has(.shell) .commerce-strip span,
body:has(.shell) .commerce-strip small,
body:has(.shell) .metric-card span,
body:has(.shell) .metric-card small {
  color: var(--bright-muted);
}

body:has(.shell) .commerce-strip strong {
  color: var(--bright-ink-strong);
}

body:has(.shell) .metric-card,
body:has(.shell) .panel,
body:has(.shell) .model-card,
body:has(.shell) .plan-card {
  border-color: var(--bright-line);
  border-radius: var(--bright-radius);
  background: var(--bright-surface);
  box-shadow: var(--bright-shadow-soft);
  backdrop-filter: none;
}

body:has(.shell) .metric-card:hover,
body:has(.shell) .model-card:hover,
body:has(.shell) .plan-card:hover {
  border-color: var(--bright-line-strong);
  box-shadow: var(--bright-shadow);
}

body:has(.shell) .metric-card {
  border-top: 3px solid var(--bright-accent);
}

body:has(.shell) .metric-card:nth-child(2) {
  border-top-color: var(--bright-blue);
}

body:has(.shell) .metric-card:nth-child(3) {
  border-top-color: var(--bright-gold);
}

body:has(.shell) .metric-card:nth-child(4) {
  border-top-color: var(--bright-green);
}

body:has(.shell) .metric-card:nth-child(5) {
  border-top-color: var(--bright-coral);
}

body:has(.shell) .metric-card::before,
body:has(.shell) .metric-card::after {
  display: none;
}

body:has(.shell) .metric-card strong,
body:has(.shell) .plan-card > strong {
  color: var(--bright-ink-strong);
}

body:has(.shell) .toolbar h3 {
  color: var(--bright-ink-strong);
}

body:has(.shell) .toolbar h3::before {
  width: 5px;
  height: 18px;
  background: var(--bright-accent);
  box-shadow: none;
}

body:has(.shell) .badge,
body:has(.shell) .status {
  border-color: #c7e6e2;
  color: var(--bright-accent-strong);
  background: var(--bright-accent-soft);
  box-shadow: none;
}

body:has(.shell) .badge.muted {
  border-color: var(--bright-line);
  color: var(--bright-muted);
  background: var(--bright-surface-soft);
}

body:has(.shell) .badge.success,
body:has(.shell) .status.paid {
  border-color: #c7e6d6;
  color: #287451;
  background: var(--bright-green-soft);
}

body:has(.shell) .status.pending {
  border-color: #f0d8ad;
  color: #9a641e;
  background: var(--bright-gold-soft);
}

body:has(.shell) .status.cancelled,
body:has(.shell) .status.refunded {
  border-color: #f1cbc8;
  color: #a1433f;
  background: var(--bright-coral-soft);
}

body:has(.shell) input,
body:has(.shell) textarea,
body:has(.shell) select {
  color: var(--bright-ink);
  border-color: var(--bright-line-strong);
  border-radius: 10px;
  background: var(--bright-surface);
  box-shadow: none;
}

body:has(.shell) input:hover,
body:has(.shell) textarea:hover,
body:has(.shell) select:hover {
  border-color: #9fc1cf;
}

body:has(.shell) input:focus,
body:has(.shell) textarea:focus,
body:has(.shell) select:focus {
  border-color: var(--bright-accent);
  background: var(--bright-surface);
  box-shadow: 0 0 0 4px rgba(20, 140, 133, 0.12);
}

body:has(.shell) input::placeholder,
body:has(.shell) textarea::placeholder {
  color: var(--bright-muted-soft);
}

body:has(.shell) input[readonly] {
  color: var(--bright-muted);
  background: var(--bright-surface-soft);
}

body:has(.shell) label {
  color: var(--bright-muted);
}

body:has(.shell) .btn.primary {
  color: #ffffff;
  border-color: var(--bright-accent);
  background: var(--bright-accent);
  box-shadow: 0 7px 16px rgba(20, 140, 133, 0.16);
}

body:has(.shell) .btn.primary:hover:not(:disabled) {
  background: var(--bright-accent-strong);
  box-shadow: 0 9px 20px rgba(20, 140, 133, 0.2);
}

body:has(.shell) .btn.secondary,
body:has(.shell) .btn.ghost {
  color: var(--bright-ink);
  border-color: var(--bright-line-strong);
  background: var(--bright-surface);
  box-shadow: none;
}

body:has(.shell) .btn.secondary:hover:not(:disabled),
body:has(.shell) .btn.ghost:hover:not(:disabled) {
  color: var(--bright-accent-strong);
  border-color: #9fcfcb;
  background: var(--bright-accent-soft);
  box-shadow: none;
}

body:has(.shell) .table-wrap,
body:has(.shell) table {
  border-color: var(--bright-line);
  background: var(--bright-surface);
  box-shadow: none;
}

body:has(.shell) th {
  color: var(--bright-muted);
  border-bottom-color: var(--bright-line);
  background: var(--bright-surface-soft);
}

body:has(.shell) td {
  color: var(--bright-ink);
  border-bottom-color: #e8eff3;
}

body:has(.shell) tbody tr:hover {
  background: #f1faf9;
}

body:has(.shell) .sub-panel,
body:has(.shell) .model-card dl {
  border-color: var(--bright-line);
  background: var(--bright-surface-soft);
}

body:has(.shell) .model-card.active {
  border-color: #9fcfcb;
  border-top: 3px solid var(--bright-accent);
  background: var(--bright-surface-tint);
  box-shadow: inset 3px 0 0 var(--bright-accent);
}

body:has(.shell) .model-card p,
body:has(.shell) .model-card dt,
body:has(.shell) .muted-text,
body:has(.shell) .hint,
body:has(.shell) .muted {
  color: var(--bright-muted);
}

body:has(.shell) .plan-card.featured {
  border-color: #a9d8d4;
  background: var(--bright-surface-tint);
  box-shadow: 0 10px 24px rgba(20, 140, 133, 0.09);
}

body:has(.shell) .plan-card.featured::before {
  color: #ffffff;
  background: var(--bright-accent);
}

body:has(.shell) .patent-item {
  color: var(--bright-ink);
  border-color: var(--bright-line);
  background: var(--bright-surface-soft);
  box-shadow: none;
}

body:has(.shell) .patent-item:hover {
  border-color: var(--bright-line-strong);
  background: var(--bright-surface);
}

body:has(.shell) .patent-item.active {
  border-color: #9fcfcb;
  background: var(--bright-surface-tint);
  box-shadow: inset 3px 0 0 var(--bright-accent);
}

body:has(.shell) .patent-item span,
body:has(.shell) .patent-item small,
body:has(.shell) .log-list {
  color: var(--bright-muted);
}

body:has(.shell) .patent-preview {
  background: transparent;
}

body:has(.shell) .diagram-box {
  border-color: var(--bright-line);
  background:
    radial-gradient(circle at 18px 18px, rgba(20, 140, 133, 0.08) 2px, transparent 2px),
    linear-gradient(135deg, #ffffff, #f7fbfc);
  background-size: 22px 22px, auto;
}

body:has(.shell) .content-block {
  border-color: var(--bright-line);
  background: var(--bright-surface-soft);
  box-shadow: none;
}

body:has(.shell) .content-block h3,
body:has(.shell) .content-block p {
  color: var(--bright-ink);
}

body:has(.shell) .doc-section h4 {
  color: var(--bright-accent-strong);
}

body:has(.shell) .empty-state {
  color: var(--bright-muted);
  border-color: var(--bright-line-strong);
  background: var(--bright-surface-soft);
  box-shadow: none;
}

body:has(.shell) .empty-state span {
  border: 0;
  background: var(--bright-accent-soft);
}

body:has(.shell) .payment-choice button {
  color: var(--bright-muted);
  border-color: var(--bright-line);
  background: var(--bright-surface);
}

body:has(.shell) .payment-choice button:hover,
body:has(.shell) .payment-choice button.active {
  color: var(--bright-accent-strong);
  border-color: #9fcfcb;
  background: var(--bright-accent-soft);
}

body:has(.shell) .wechat-checkout {
  margin-top: 20px;
}

body:has(.shell) .wechat-checkout-content {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
}

body:has(.shell) .wechat-checkout-content img {
  width: 196px;
  height: 196px;
  padding: 8px;
  border: 1px solid var(--bright-line);
  border-radius: 8px;
  background: #fff;
}

body:has(.shell) .wechat-checkout-content strong {
  display: block;
  margin-bottom: 6px;
  color: var(--bright-ink-strong);
  font-size: 20px;
}

body:has(.shell) .wechat-checkout-content p,
body:has(.shell) .wechat-checkout-content small {
  display: block;
  margin: 0 0 10px;
  color: var(--bright-muted);
}

body:has(.shell) .wechat-checkout-content small {
  overflow-wrap: anywhere;
}

body:has(.shell) .status.failed {
  color: #ae4f4b;
  background: var(--bright-coral-soft);
}

body:has(.shell) .toast.ok {
  background: var(--bright-accent-strong);
}

body:has(.shell) .toast.bad {
  background: #b64e49;
}

body:has(.shell) .generation-length-field,
body:has(.shell) .document-length {
  border-color: var(--bright-line);
  background: var(--bright-surface-soft);
}

body:has(.shell) .length-input-wrap > span,
body:has(.shell) .length-hint,
body:has(.shell) .document-length {
  color: var(--bright-muted);
}

body:has(.shell) .length-presets button {
  color: var(--bright-ink);
  border-color: var(--bright-line);
  background: var(--bright-surface);
}

body:has(.shell) .length-presets button[aria-pressed="true"] {
  color: var(--bright-accent-strong);
  border-color: #9fcfcb;
  background: var(--bright-accent-soft);
}

body:has(.shell) .document-length strong {
  color: var(--bright-ink-strong);
}

body:has(.shell) .length-warning {
  color: #a36522;
}

/* Reset both edges so older mobile rules cannot stretch notifications. */
body .toast {
  top: 18px;
  bottom: auto;
  height: auto;
  max-width: calc(100vw - 40px);
}

/* Keep the light language intact on narrow screens and in admin mode. */
@media (max-width: 900px) {
  body:has(.shell) .sidebar {
    border-right: 0;
    border-bottom: 1px solid var(--bright-line);
    box-shadow: 0 4px 18px rgba(25, 50, 74, 0.045);
  }

  body:has(.shell) .topbar {
    background: rgba(246, 249, 252, 0.96);
  }
}

@media (max-width: 620px) {
  body:has(.access-page) .access-header {
    min-height: 76px;
  }

  body:has(.access-page) .access-form-panel {
    box-shadow: 0 12px 28px rgba(25, 50, 74, 0.08);
  }

  body:has(.shell) .commerce-strip {
    border-radius: 12px;
  }
}