:root {
  color-scheme: light;
  --bg: #f5f7fb;
  --surface: #ffffff;
  --surface-2: #f8fafc;
  --text: #111827;
  --muted: #64748b;
  --border: #dbe3ef;
  --blue: #2563eb;
  --blue-2: #dbeafe;
  --green: #059669;
  --green-2: #dcfce7;
  --amber: #d97706;
  --amber-2: #fef3c7;
  --red: #dc2626;
  --red-2: #fee2e2;
  --shadow: 0 10px 24px rgba(15, 23, 42, 0.06);
  --radius: 8px;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

[data-theme="dark"] {
  color-scheme: dark;
  --bg: #0f172a;
  --surface: #111827;
  --surface-2: #172033;
  --text: #e5e7eb;
  --muted: #94a3b8;
  --border: #263244;
  --blue: #60a5fa;
  --blue-2: #1d355d;
  --green: #34d399;
  --green-2: #143d32;
  --amber: #fbbf24;
  --amber-2: #3f3215;
  --red: #f87171;
  --red-2: #3d1f24;
  --shadow: 0 10px 24px rgba(0, 0, 0, 0.28);
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
}
button, input, textarea { font: inherit; }
button { cursor: pointer; }
button:disabled { cursor: not-allowed; opacity: 0.58; }
code { font-family: "SFMono-Regular", Consolas, monospace; }

.app-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr);
}
.sidebar {
  border-right: 1px solid var(--border);
  background: var(--surface);
  padding: 18px;
  position: sticky;
  top: 0;
  height: 100vh;
}
.brand {
  display: flex;
  gap: 12px;
  align-items: center;
  color: inherit;
  text-decoration: none;
  margin-bottom: 22px;
}
.brand-mark {
  width: 38px;
  height: 38px;
  border-radius: 8px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  display: grid;
  place-items: center;
  overflow: hidden;
}
.brand-mark img { width: 100%; height: 100%; object-fit: cover; }
.brand strong, .brand small { display: block; }
.brand small { color: var(--muted); margin-top: 2px; }

.nav-list { display: grid; gap: 6px; }
.nav-item {
  border: 0;
  background: transparent;
  color: var(--muted);
  padding: 11px 12px;
  border-radius: 8px;
  text-align: left;
}
.nav-item.is-active, .nav-item:hover { background: var(--blue-2); color: var(--text); }

.side-card {
  margin-top: 20px;
  padding: 14px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 8px;
}
.side-card-head, .side-quota {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  align-items: center;
}
.side-card code {
  display: block;
  margin: 12px 0;
  color: var(--muted);
  word-break: break-all;
}
.side-quota span { color: var(--muted); }
.side-copy-btn { margin-top: 12px; }

.workspace { padding: 22px; min-width: 0; }
.topbar {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  margin-bottom: 18px;
}
.topbar h1 { margin: 2px 0 0; font-size: 26px; }
.eyebrow { margin: 0; color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: 0; }
.top-actions, .form-actions { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }

.primary-action, .secondary-action {
  min-height: 38px;
  border-radius: 8px;
  padding: 0 14px;
  border: 1px solid transparent;
}
.primary-action { background: var(--blue); color: white; }
.secondary-action { background: var(--surface); color: var(--text); border-color: var(--border); }
.wide-button { width: 100%; }
.field {
  width: 100%;
  min-height: 40px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  padding: 0 12px;
}
.multiline-field {
  min-height: 150px;
  padding: 12px;
  resize: vertical;
  line-height: 1.55;
}
.form-label { display: block; color: var(--muted); margin: 14px 0 6px; }

.view { display: none; }
.view.is-active { display: block; }
.panel, .hero-panel, .metric-card, .key-card, .channel-card, .limit-card, .announcement-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: var(--shadow);
}
.panel { padding: 18px; }
.section-head {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  align-items: flex-start;
  margin-bottom: 14px;
}
.section-head h2 { margin: 0 0 4px; font-size: 17px; }
.section-head p { margin: 0; color: var(--muted); }

.hero-panel {
  padding: 22px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  margin-bottom: 16px;
}
.hero-panel h2 { margin: 4px 0 8px; font-size: 24px; }
.hero-panel p { margin: 0; color: var(--muted); }
.hero-key { display: grid; gap: 8px; justify-items: end; }
.hero-key span { color: var(--muted); font-family: "SFMono-Regular", Consolas, monospace; }

.metric-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 16px;
}
.metric-card { padding: 16px; }
.metric-card span, .metric-card small { color: var(--muted); }
.metric-card strong { display: block; font-size: 25px; margin: 8px 0 4px; overflow-wrap: anywhere; }

.overview-grid, .usage-layout, .billing-grid, .settings-grid, .card-bind-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(300px, 0.8fr);
  gap: 14px;
}
.wide { min-width: 0; }
.quota-overview {
  display: grid;
  grid-template-columns: 170px minmax(0, 1fr);
  gap: 18px;
  align-items: center;
}
.donut {
  width: 150px;
  aspect-ratio: 1;
  border-radius: 50%;
  background: conic-gradient(var(--blue) calc(var(--value) * 1%), var(--surface-2) 0);
  display: grid;
  place-items: center;
}
.donut span {
  width: 102px;
  aspect-ratio: 1;
  border-radius: 50%;
  background: var(--surface);
  display: grid;
  place-items: center;
  font-weight: 700;
}
.quota-lines, .info-list, .info-grid {
  display: grid;
  gap: 10px;
}
.quota-lines { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.quota-lines div, .info-list div, .info-grid div, .limit-card {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px;
  min-width: 0;
}
.quota-lines span, .info-list span, .info-grid span, .limit-card span { display: block; color: var(--muted); margin-bottom: 5px; }
.quota-lines strong, .info-list strong, .info-grid strong, .limit-card strong { overflow-wrap: anywhere; }
.endpoint-box {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px;
  margin-bottom: 12px;
}
.endpoint-box span { display: block; color: var(--muted); margin-bottom: 6px; }
.endpoint-box code { word-break: break-all; }

.key-bind-row { display: grid; grid-template-columns: minmax(0, 1fr) auto auto; gap: 10px; }
.key-list, .channel-grid { display: grid; gap: 14px; margin-top: 14px; }
.channel-grid {
  max-height: calc(100vh - 250px);
  min-height: 220px;
  overflow-y: auto;
  overscroll-behavior: contain;
  padding-right: 4px;
}
.key-card, .channel-card { padding: 16px; }
.key-card.is-active { border-color: var(--blue); }
.key-card-head, .channel-card-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: flex-start;
  margin-bottom: 12px;
}
.key-card-head strong, .key-card-head code, .channel-card-head strong, .channel-card-head span { display: block; }
.key-card-head code, .channel-card-head span { color: var(--muted); margin-top: 4px; }
.info-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); margin-bottom: 12px; }
.limit-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }

.tag-list { display: flex; flex-wrap: wrap; gap: 8px; }
.tag-list span {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 5px 9px;
  color: var(--text);
}
.tag-list.compact { margin: 12px 0; }
.progress { height: 8px; border-radius: 999px; background: var(--surface-2); overflow: hidden; }
.progress span { display: block; height: 100%; background: var(--blue); width: 0; }

.channel-summary { display: flex; justify-content: space-between; gap: 16px; align-items: center; margin-bottom: 14px; }
.channel-summary h2 { margin: 4px 0 6px; }
.channel-summary p { margin: 0; color: var(--muted); }
.muted-line { color: var(--muted); margin: 10px 0 0; }
.empty-box {
  border: 1px dashed var(--border);
  border-radius: 8px;
  padding: 16px;
  color: var(--muted);
  background: var(--surface-2);
}
.card-bind-actions { margin: 12px 0; }
.card-bind-result pre {
  overflow: auto;
  max-height: 260px;
  margin: 12px 0 0;
  white-space: pre-wrap;
}
.preview-list {
  display: grid;
  gap: 8px;
  margin-top: 12px;
}
.preview-list div {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}
.preview-list span {
  width: 26px;
  height: 26px;
  border-radius: 999px;
  display: grid;
  place-items: center;
  background: var(--blue-2);
  color: var(--blue);
  font-size: 12px;
  flex: none;
}
.preview-list code { overflow-wrap: anywhere; }

.announcement-layout { display: grid; grid-template-columns: 320px minmax(0, 1fr); gap: 14px; }
.announcement-list { display: grid; gap: 10px; align-content: start; }
.announcement-card { text-align: left; padding: 14px; border: 1px solid var(--border); color: var(--text); }
.announcement-card.is-active { border-color: var(--blue); }
.announcement-card strong, .announcement-card span { display: block; }
.announcement-card span { color: var(--muted); margin-top: 5px; }
.announcement-detail h2 { margin-top: 0; }
.announcement-detail p { line-height: 1.7; }

.segmented {
  display: inline-flex;
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}
.segmented button {
  border: 0;
  background: var(--surface);
  color: var(--muted);
  padding: 9px 12px;
}
.segmented button.is-active { background: var(--blue-2); color: var(--text); }

.status-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 26px;
  border-radius: 999px;
  padding: 0 10px;
  font-size: 12px;
  white-space: nowrap;
}
.status-ok { color: var(--green); background: var(--green-2); }
.status-info { color: var(--blue); background: var(--blue-2); }
.status-warn { color: var(--amber); background: var(--amber-2); }
.status-bad { color: var(--red); background: var(--red-2); }
.toast-stack { position: fixed; right: 18px; bottom: 18px; display: grid; gap: 10px; z-index: 20; }
.toast { background: var(--text); color: var(--surface); padding: 11px 14px; border-radius: 8px; box-shadow: var(--shadow); }

@media (max-width: 1100px) {
  .app-shell { grid-template-columns: 1fr; }
  .sidebar { position: static; height: auto; }
  .nav-list { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .metric-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .overview-grid, .usage-layout, .billing-grid, .settings-grid, .card-bind-layout, .announcement-layout { grid-template-columns: 1fr; }
  .quota-lines, .info-grid, .limit-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 680px) {
  .workspace { padding: 14px; }
  .topbar, .hero-panel, .channel-summary { align-items: stretch; flex-direction: column; }
  .metric-grid, .quota-overview, .quota-lines, .info-grid, .limit-grid, .key-bind-row { grid-template-columns: 1fr; }
  .nav-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .hero-key { justify-items: start; }
}