:root {
  --font-body: "Noto Sans SC", "Microsoft YaHei", sans-serif;
  --font-display: "Space Grotesk", var(--font-body);
  --color-bg: #f4efe6;
  --color-surface: rgba(255, 250, 244, 0.88);
  --color-border: rgba(79, 52, 34, 0.14);
  --color-text: #2e2219;
  --color-subtle: #725844;
  --color-primary: #c45f2d;
  --color-primary-soft: rgba(196, 95, 45, 0.12);
  --color-accent: #166b6b;
  --color-danger: #b42318;
  --shadow-soft: 0 18px 40px rgba(54, 34, 17, 0.09);
  --radius-xl: 28px;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 10px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  min-height: 100%;
  font-family: var(--font-body);
  color: var(--color-text);
  background:
    radial-gradient(circle at top left, rgba(196, 95, 45, 0.16), transparent 22%),
    radial-gradient(circle at right 20%, rgba(22, 107, 107, 0.18), transparent 18%),
    linear-gradient(180deg, #f9f5ef 0%, #f1e7d9 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(46, 34, 25, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(46, 34, 25, 0.035) 1px, transparent 1px);
  background-size: 28px 28px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.3), transparent 85%);
}

#app { min-height: 100vh; }

.shell { display: grid; grid-template-columns: 300px 1fr; min-height: 100vh; }

.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  padding: 28px 22px;
  border-right: 1px solid var(--color-border);
  background: rgba(248, 241, 231, 0.72);
  backdrop-filter: blur(18px);
}

.brand,
.hero-card,
.panel,
.metric-card,
.detail-card,
.login-card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  background: var(--color-surface);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(16px);
}

.brand {
  padding: 18px 18px 22px;
  background: linear-gradient(160deg, rgba(255, 249, 241, 0.92), rgba(245, 233, 217, 0.86));
}

.brand-kicker,
.status {
  display: inline-flex;
  align-items: center;
}

.brand-kicker {
  padding: 6px 12px;
  border-radius: 999px;
  background: var(--color-primary-soft);
  color: var(--color-primary);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.brand h1,
.hero-card h2,
.metric-card strong,
.login-art h1 {
  font-family: var(--font-display);
}

.brand h1 {
  margin: 14px 0 8px;
  font-size: 28px;
  line-height: 1.05;
}

.brand p,
.panel-title p,
.sidebar-footer p,
.hero-card p,
.kpi-note,
label {
  color: var(--color-subtle);
}

.brand p,
.hero-card p,
.login-art p,
.login-card > p {
  line-height: 1.7;
}

.nav { margin-top: 22px; display: grid; gap: 10px; }

.nav button {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  width: 100%;
  padding: 15px 16px;
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  background: transparent;
  color: var(--color-text);
  font: inherit;
  text-align: left;
  cursor: pointer;
  transition: 160ms ease;
}

.nav button:hover,
.nav button.active {
  border-color: rgba(196, 95, 45, 0.18);
  background: rgba(255, 249, 241, 0.92);
  transform: translateY(-1px);
}

.sidebar-footer {
  margin-top: 24px;
  padding: 18px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  background: rgba(255, 250, 244, 0.8);
}

.main { padding: 28px; }

.hero,
.metrics,
.section-columns,
.split,
.toolbar,
.search-row,
.detail-grid,
.layout-grid {
  display: grid;
  gap: 18px;
}

.hero { grid-template-columns: 1.2fr 0.8fr; margin-bottom: 22px; }
.metrics { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.section-columns { grid-template-columns: 1fr 1fr; }
.split { grid-template-columns: 1.3fr 0.9fr; }
.toolbar { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
.toolbar.compact { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.search-row.wide { grid-template-columns: 1.3fr 1fr 1fr 1fr auto; }
.detail-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }

.hero-card,
.panel,
.metric-card,
.detail-card,
.login-card { padding: 22px; }

.hero-card { position: relative; overflow: hidden; }
.hero-card::after {
  content: "";
  position: absolute;
  width: 220px;
  height: 220px;
  right: -60px;
  top: -70px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(196, 95, 45, 0.24), transparent 70%);
}

.hero-card h2 {
  margin: 12px 0 10px;
  font-size: 34px;
  line-height: 1.1;
  max-width: 12ch;
}

.quick-actions { display: grid; gap: 14px; }

.panel-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}

.panel-title h3 {
  margin: 0 0 6px;
  font-size: 20px;
}

.metric-card span { display: block; font-size: 13px; color: var(--color-subtle); }
.metric-card strong { display: block; margin-top: 10px; font-size: 28px; }

.field,
.stack { display: grid; gap: 8px; }

.inline-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: center;
}

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

input, select, textarea {
  width: 100%;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(79, 52, 34, 0.16);
  background: rgba(255, 255, 255, 0.84);
  color: var(--color-text);
}

textarea { min-height: 110px; resize: vertical; }

input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: rgba(196, 95, 45, 0.48);
  box-shadow: 0 0 0 4px rgba(196, 95, 45, 0.1);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 140ms ease, opacity 140ms ease;
}

.button:hover { transform: translateY(-1px); }
.button:disabled { opacity: 0.6; cursor: not-allowed; transform: none; }

.button-primary { background: linear-gradient(135deg, #d66d36, #b95024); color: white; }
.button-secondary { border-color: rgba(79, 52, 34, 0.16); background: rgba(255, 255, 255, 0.7); color: var(--color-text); }
.button-ghost { background: transparent; border-color: rgba(79, 52, 34, 0.12); color: var(--color-subtle); }

.table-wrap {
  overflow: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  background: rgba(255, 255, 255, 0.62);
}

table { width: 100%; border-collapse: collapse; min-width: 860px; }

th, td {
  padding: 14px 16px;
  border-bottom: 1px solid rgba(79, 52, 34, 0.08);
  text-align: left;
  vertical-align: top;
}

th {
  position: sticky;
  top: 0;
  background: rgba(250, 244, 236, 0.92);
  color: var(--color-subtle);
  font-weight: 600;
  font-size: 13px;
}

td strong { display: block; margin-bottom: 4px; }

.status {
  gap: 8px;
  padding: 7px 11px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
}

.status::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: currentColor;
}

.status-pending { color: #9a6f17; background: rgba(239, 182, 23, 0.12); }
.status-success { color: #127258; background: rgba(18, 114, 88, 0.12); }
.status-processing { color: var(--color-accent); background: rgba(22, 107, 107, 0.12); }
.status-danger { color: var(--color-danger); background: rgba(180, 35, 24, 0.12); }
.status-neutral { color: var(--color-subtle); background: rgba(79, 52, 34, 0.08); }

.empty-state,
.error-state,
.loading-state,
.permission-state {
  display: grid;
  place-items: center;
  min-height: 180px;
  padding: 18px;
  border: 1px dashed rgba(79, 52, 34, 0.16);
  border-radius: var(--radius-lg);
  text-align: center;
  color: var(--color-subtle);
}

.detail-item {
  padding: 12px 0;
  border-bottom: 1px dashed rgba(79, 52, 34, 0.12);
}

.detail-item span {
  display: block;
  margin-bottom: 6px;
  color: var(--color-subtle);
  font-size: 12px;
}

.login-screen {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
}

.login-art {
  position: relative;
  padding: 48px;
  display: grid;
  align-items: end;
  background:
    radial-gradient(circle at 15% 20%, rgba(196, 95, 45, 0.24), transparent 20%),
    radial-gradient(circle at 78% 26%, rgba(22, 107, 107, 0.24), transparent 22%),
    linear-gradient(155deg, #2f241d 0%, #4f3422 55%, #8b4b29 100%);
  color: white;
}

.login-art::after {
  content: "";
  position: absolute;
  inset: 24px;
  border-radius: 32px;
  border: 1px solid rgba(255, 255, 255, 0.14);
}

.login-art h1 {
  position: relative;
  z-index: 1;
  margin: 0;
  max-width: 8ch;
  font-size: clamp(42px, 5vw, 72px);
  line-height: 0.95;
}

.login-art p {
  position: relative;
  z-index: 1;
  max-width: 42ch;
  margin: 16px 0 0;
  color: rgba(255, 255, 255, 0.78);
}

.login-pane { display: grid; place-items: center; padding: 28px; }
.login-card { width: min(520px, 100%); }
.login-card h2 { margin: 0 0 8px; font-size: 28px; }

.tabs {
  display: inline-flex;
  padding: 6px;
  margin-bottom: 16px;
  border-radius: 999px;
  background: rgba(79, 52, 34, 0.08);
}

.tabs button {
  min-width: 120px;
  min-height: 40px;
  padding: 0 16px;
  border-radius: 999px;
  border: 0;
  background: transparent;
  color: var(--color-subtle);
  cursor: pointer;
}

.tabs button.active {
  background: white;
  color: var(--color-text);
  box-shadow: 0 10px 18px rgba(54, 34, 17, 0.08);
}

.qr-placeholder {
  padding: 24px;
  border-radius: var(--radius-lg);
  border: 1px dashed rgba(79, 52, 34, 0.18);
  text-align: center;
  color: var(--color-subtle);
  background: rgba(255, 255, 255, 0.68);
}

.qr-box {
  width: 180px;
  height: 180px;
  margin: 0 auto 16px;
  border-radius: 24px;
  background:
    linear-gradient(45deg, rgba(46, 34, 25, 0.14) 25%, transparent 25%, transparent 75%, rgba(46, 34, 25, 0.14) 75%),
    linear-gradient(45deg, rgba(46, 34, 25, 0.14) 25%, transparent 25%, transparent 75%, rgba(46, 34, 25, 0.14) 75%);
  background-position: 0 0, 12px 12px;
  background-size: 24px 24px;
}

.flash {
  margin-bottom: 14px;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  font-size: 13px;
}

.flash-error { color: var(--color-danger); background: rgba(180, 35, 24, 0.08); border: 1px solid rgba(180, 35, 24, 0.18); }
.flash-success { color: #127258; background: rgba(18, 114, 88, 0.08); border: 1px solid rgba(18, 114, 88, 0.16); }

@media (max-width: 1200px) {
  .shell, .login-screen, .hero, .split, .section-columns { grid-template-columns: 1fr; }
  .sidebar { position: static; height: auto; }
  .metrics, .toolbar, .toolbar.compact, .search-row.wide, .detail-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 760px) {
  .main, .sidebar, .login-pane, .login-art { padding: 18px; }
  .metrics, .toolbar, .toolbar.compact, .search-row.wide, .detail-grid { grid-template-columns: 1fr; }
  table { min-width: 700px; }
}

.login-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 32px;
}

.login-panel {
  width: min(520px, 100%);
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.login-brand,
.login-form-card,
.panel,
.metric-card {
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(16px);
}

.login-brand,
.login-form-card,
.panel {
  border-radius: var(--radius-xl);
  padding: 28px;
}

.hero-stack,
.metrics-grid,
.dashboard-grid,
.split-grid,
.detail-metrics,
.search-grid,
.form-grid {
  display: grid;
  gap: 16px;
}

.hero-stack,
.dashboard-grid {
  margin-top: 24px;
}

.metrics-grid,
.detail-metrics {
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

.split-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-bottom: 20px;
}

.search-grid,
.form-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.metric-card {
  border-radius: var(--radius-lg);
  padding: 20px;
}

.metric-card strong {
  display: block;
  margin: 10px 0 8px;
  font-size: 30px;
  font-family: var(--font-display);
}

.metric-card p,
.muted,
.operator-card span,
.operator-card small,
.detail-block p,
.empty-inline,
.loading-state,
.empty-state {
  color: var(--color-subtle);
}

.hero-card {
  padding: 20px;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.68);
  border: 1px solid rgba(79, 52, 34, 0.08);
}

.hero-card.accent,
.panel-accent {
  background: linear-gradient(135deg, rgba(22, 107, 107, 0.12), rgba(196, 95, 45, 0.14));
}

.eyebrow {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-subtle);
}

.shell {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 24px;
  min-height: 100vh;
  padding: 24px;
}

.sidebar {
  position: sticky;
  top: 24px;
  align-self: start;
  min-height: calc(100vh - 48px);
  border-radius: var(--radius-xl);
  background: rgba(46, 34, 25, 0.92);
  color: #f8efe4;
  padding: 24px;
  display: grid;
  grid-template-rows: auto 1fr auto;
  gap: 24px;
}

.brand-card p,
.brand-card h1,
.brand-card span,
.sidebar .operator-card span,
.sidebar .operator-card small {
  color: rgba(248, 239, 228, 0.78);
}

.brand-card h1,
.topbar h2,
.panel h3,
.login-brand h1,
.login-form-card h2 {
  margin: 0;
}

.nav-list {
  display: grid;
  gap: 12px;
}

.nav-item {
  border: 0;
  border-radius: var(--radius-md);
  padding: 14px 16px;
  text-align: left;
  background: rgba(255, 255, 255, 0.06);
  color: #f8efe4;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-item.active {
  background: linear-gradient(135deg, rgba(196, 95, 45, 0.92), rgba(22, 107, 107, 0.72));
}

.nav-icon {
  display: inline-grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.12);
  font-size: 12px;
  font-family: var(--font-display);
}

.main-content {
  display: grid;
  align-content: start;
  gap: 20px;
}

.topbar,
.panel-head,
.search-actions,
.topbar-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.panel-head.compact {
  margin-bottom: 16px;
}

.inline-field,
.form-field {
  display: grid;
  gap: 8px;
  font-size: 13px;
}

.form-span-2 {
  grid-column: span 2;
}

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

input,
select,
textarea {
  width: 100%;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(79, 52, 34, 0.16);
  background: rgba(255, 255, 255, 0.82);
  min-height: 44px;
  padding: 10px 12px;
  color: var(--color-text);
}

textarea {
  min-height: 120px;
  resize: vertical;
}

.btn {
  min-height: 44px;
  border-radius: 999px;
  padding: 0 18px;
  border: 0;
  cursor: pointer;
}

.btn:disabled {
  cursor: not-allowed;
  opacity: 0.68;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), #d08235);
  color: white;
}

.btn-secondary {
  background: rgba(79, 52, 34, 0.08);
  color: var(--color-text);
}

.btn-danger-text {
  color: var(--color-danger);
  font-weight: 700;
}

.btn-ghost {
  background: transparent;
  color: var(--color-accent);
  border: 1px solid rgba(22, 107, 107, 0.2);
}

.btn-block {
  width: 100%;
}

.table-wrap {
  overflow: auto;
  border-radius: var(--radius-md);
  border: 1px solid rgba(79, 52, 34, 0.1);
}

table {
  width: 100%;
  border-collapse: collapse;
}

th,
td {
  padding: 14px 16px;
  text-align: left;
  border-bottom: 1px solid rgba(79, 52, 34, 0.08);
  vertical-align: top;
}

th {
  font-size: 13px;
  color: var(--color-subtle);
  background: rgba(255, 255, 255, 0.72);
}

.status-pill,
.tag {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 10px;
  border-radius: 999px;
  background: rgba(196, 95, 45, 0.12);
  color: var(--color-primary);
  font-size: 12px;
}

.banner-url-cell {
  width: 280px;
  max-width: 280px;
}

.banner-image-link {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr);
  align-items: center;
  gap: 10px;
  max-width: 260px;
  color: var(--color-accent);
  text-decoration: none;
}

.banner-thumb {
  width: 72px;
  height: 42px;
  border-radius: 8px;
  object-fit: cover;
  background: rgba(79, 52, 34, 0.08);
  border: 1px solid rgba(79, 52, 34, 0.1);
}

.banner-url-text {
  display: block;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.action-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 12px;
}

.detail-block {
  margin-top: 18px;
}

.detail-metric {
  padding: 16px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.66);
  border: 1px solid rgba(79, 52, 34, 0.08);
}

.detail-metric strong {
  display: block;
  margin-top: 10px;
}

@media (max-width: 1100px) {
  .login-panel,
  .shell,
  .split-grid {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: static;
    min-height: auto;
  }
}

@media (max-width: 760px) {
  .login-shell,
  .shell {
    padding: 16px;
  }

  .form-grid,
  .search-grid,
  .metrics-grid,
  .detail-metrics {
    grid-template-columns: 1fr;
  }

  .form-span-2 {
    grid-column: span 1;
  }
}