/* Component library — cards, KPIs, badges, buttons, tables, rows, forms,
   banners, charts. Reaches for tokens.css variables, never raw values. */

/* ── Layout utilities ────────────────────────────────────────────────── */
.stack { display: flex; flex-direction: column; }
.stack-2 { gap: 0.5rem; }
.stack-3 { gap: 0.75rem; }
.stack-4 { gap: 1rem; }
.stack-6 { gap: 1.5rem; }
.stack-8 { gap: 2rem; }
.cluster { display: flex; align-items: center; gap: 0.5rem; flex-wrap: wrap; }
.cluster-3 { gap: 0.75rem; }
.between { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.grow { flex: 1; min-width: 0; }
.muted { color: var(--color-text-muted); }
.subtle { color: var(--color-text-subtle); }
.truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.mono-sm { font-family: var(--font-mono); font-size: 0.75rem; font-variant-numeric: tabular-nums; }
.section { margin-top: var(--space-section-y); }
.ico { width: 1rem; height: 1rem; }

.grid { display: grid; gap: 1rem; }
.grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
@media (max-width: 1024px) { .grid--4 { grid-template-columns: repeat(2, minmax(0, 1fr)); } .grid--3 { grid-template-columns: repeat(3, minmax(0,1fr)); } }
@media (max-width: 760px) { .grid--2, .grid--3, .grid--4 { grid-template-columns: 1fr; } }

.section-label {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-subtle);
}

/* ── Card ────────────────────────────────────────────────────────────── */
.card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-bg-elevated);
  transition: box-shadow var(--duration-normal) var(--ease-out-expo),
    border-color var(--duration-fast);
}
.card--pad { padding: 1.25rem; }
.card--hover:hover {
  box-shadow: var(--shadow-card-hover);
  border-color: color-mix(in srgb, var(--color-brand) 25%, var(--color-border));
}
.card__title { font-size: 1rem; font-weight: 600; letter-spacing: -0.01em; }
.card__head { display: flex; align-items: center; justify-content: space-between; gap: 1rem; margin-bottom: 1rem; }

/* ── KPI ─────────────────────────────────────────────────────────────── */
.kpi { padding: 1.125rem 1.25rem; display: flex; flex-direction: column; gap: 0.5rem; }
.kpi__label { font-size: 0.8125rem; color: var(--color-text-muted); }
.kpi__value { font-size: 1.9rem; font-weight: 600; line-height: 1; letter-spacing: -0.02em; display: flex; align-items: baseline; gap: 0.25rem; }
.kpi__unit { font-size: 0.875rem; font-weight: 400; color: var(--color-text-muted); }
.kpi__foot { display: flex; align-items: center; gap: 0.5rem; font-size: 0.75rem; min-height: 1rem; }
.kpi__delta { display: inline-flex; align-items: center; gap: 0.125rem; font-weight: 500; }
.kpi__delta .ico { width: 0.875rem; height: 0.875rem; }
.kpi__delta--good { color: var(--color-success); }
.kpi__delta--bad { color: var(--color-danger); }
.kpi__delta--flat { color: var(--color-text-subtle); }
.kpi__sub { color: var(--color-text-subtle); }

/* ── Badge ───────────────────────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  border-radius: var(--radius-sm);
  padding: 0.125rem 0.5rem;
  font-size: 0.75rem;
  font-weight: 500;
  white-space: nowrap;
}
.badge--neutral { background: var(--color-bg-subtle); color: var(--color-text-muted); border: 1px solid var(--color-border); }
.badge--success { background: var(--color-success-bg); color: var(--color-success); }
.badge--warning { background: var(--color-warning-bg); color: color-mix(in srgb, var(--color-warning) 80%, black); }
.badge--danger { background: var(--color-danger-bg); color: var(--color-danger); }
.badge--brand { background: var(--color-brand-soft); color: var(--color-brand-strong); }
.badge.mono { font-family: var(--font-mono); }

/* ── Buttons ─────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  white-space: nowrap;
  border-radius: var(--radius-md);
  font-weight: 500;
  transition: all var(--duration-fast) var(--ease-out-expo);
}
.btn:active { transform: scale(0.97); }
.btn .ico { width: 1rem; height: 1rem; }
.btn--sm { height: 2rem; padding: 0 0.75rem; font-size: 0.75rem; }
.btn--md { height: 2.25rem; padding: 0 1rem; font-size: 0.875rem; }
.btn--lg { height: 2.5rem; padding: 0 1.25rem; font-size: 0.875rem; }
.btn--primary { color: var(--color-brand-fg); background-image: var(--gradient-brand); box-shadow: 0 1px 2px oklch(0% 0 0 / 0.08); }
.btn--primary:hover { filter: brightness(1.08); box-shadow: var(--shadow-card-hover); }
.btn--secondary { border: 1px solid var(--color-border-strong); background: var(--color-bg-elevated); color: var(--color-text); }
.btn--secondary:hover { background: var(--color-bg-subtle); border-color: color-mix(in srgb, var(--color-brand) 30%, var(--color-border-strong)); }
.btn--ghost { color: var(--color-text); }
.btn--ghost:hover { background: var(--color-bg-subtle); }
.btn--soft { background: var(--color-brand-soft); color: var(--color-brand-strong); box-shadow: inset 0 0 0 1px var(--color-brand); }
.btn--danger { background: var(--color-danger); color: #fff; }
.btn--danger:hover { filter: brightness(0.95); }
.btn[disabled] { opacity: 0.5; pointer-events: none; }

.icon-btn {
  display: inline-grid;
  place-items: center;
  width: 2rem;
  height: 2rem;
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  transition: background var(--duration-fast), color var(--duration-fast);
}
.icon-btn .ico { width: 1rem; height: 1rem; }
.icon-btn:hover { background: var(--color-bg-subtle); color: var(--color-text); }
.icon-btn--danger:hover { background: var(--color-danger-bg); color: var(--color-danger); }

/* ── Tables ──────────────────────────────────────────────────────────── */
.table-wrap { overflow-x: auto; border-radius: var(--radius-lg); border: 1px solid var(--color-border); background: var(--color-bg-elevated); }
.data-table { width: 100%; border-collapse: collapse; font-size: 0.8125rem; }
.data-table thead th {
  text-align: left;
  padding: 0.625rem 1rem;
  font-weight: 500;
  font-size: 0.75rem;
  color: var(--color-text-muted);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg-subtle);
  position: sticky;
  top: 0;
}
.data-table tbody td { padding: 0.75rem 1rem; border-bottom: 1px solid var(--color-border); vertical-align: middle; }
.data-table tbody tr:last-child td { border-bottom: none; }
.data-table tbody tr { transition: background var(--duration-fast); }
.data-table tbody tr:hover { background: var(--color-bg-subtle); }
.data-table .ta-right { text-align: right; }
.data-table .ta-center { text-align: center; }
.row-click { cursor: pointer; }

/* ── Resource row (lists: provider keys, models, api keys, guardrails…) ─ */
.rows { display: flex; flex-direction: column; }
.rows--card { border: 1px solid var(--color-border); border-radius: var(--radius-lg); background: var(--color-bg-elevated); overflow: hidden; }
.rows--card .res-row { border-bottom: 1px solid var(--color-border); }
.rows--card .res-row:last-child { border-bottom: none; }
.res-row {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1rem 1.25rem;
  transition: background var(--duration-fast);
}
.res-row:hover { background: var(--color-bg-subtle); }
.res-row__body { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 0.5rem; }
.res-row__title { display: flex; align-items: center; gap: 0.5rem; flex-wrap: wrap; }
.res-row__name { font-weight: 600; font-size: 0.9375rem; }
.res-row__meta { font-size: 0.8125rem; color: var(--color-text-muted); display: flex; gap: 0.75rem; flex-wrap: wrap; }
.res-row__actions { display: flex; align-items: center; gap: 0.25rem; flex-shrink: 0; }
.pill-id { font-family: var(--font-mono); font-size: 0.6875rem; color: var(--color-text-subtle); }

.card--gradient-top { position: relative; overflow: hidden; }
.card--gradient-top::before { content: ""; position: absolute; inset: 0 0 auto 0; height: 3px; background: var(--gradient-brand); }

/* ── Bars / progress ─────────────────────────────────────────────────── */
.bar { height: 0.5rem; border-radius: 999px; background: var(--color-bg-subtle); overflow: hidden; }
.bar__fill { height: 100%; border-radius: 999px; transition: width var(--duration-normal) var(--ease-out-expo); }
.bar__fill--brand { background: var(--gradient-brand); }
.bar__fill--success { background: var(--color-success); }
.bar__fill--warning { background: var(--color-warning); }
.bar__fill--danger { background: var(--color-danger); }
.bar__fill--neutral { background: var(--color-neutral-400); }

/* ── Status dots ─────────────────────────────────────────────────────── */
.dot { width: 0.5rem; height: 0.5rem; border-radius: 999px; flex-shrink: 0; display: inline-block; }
.dot--success { background: var(--color-success); }
.dot--warning { background: var(--color-warning); }
.dot--danger { background: var(--color-danger); }
.dot--neutral { background: var(--color-neutral-400); }
.dot--brand { background: var(--color-brand); }

/* ── Empty state ─────────────────────────────────────────────────────── */
.empty { text-align: center; padding: 2.5rem 1rem; }
.empty__title { font-weight: 500; }
.empty__hint { margin-top: 0.375rem; font-size: 0.8125rem; color: var(--color-text-muted); }

/* ── Segmented control / tabs ────────────────────────────────────────── */
.segmented { display: inline-flex; padding: 0.1875rem; gap: 0.1875rem; border: 1px solid var(--color-border); border-radius: var(--radius-md); background: var(--color-bg-subtle); }
.segmented__opt { padding: 0.3125rem 0.75rem; border-radius: calc(var(--radius-md) - 3px); font-size: 0.8125rem; color: var(--color-text-muted); transition: all var(--duration-fast); }
.segmented__opt:hover { color: var(--color-text); }
.segmented__opt.is-active { background: var(--color-brand-soft); color: var(--color-brand-strong); box-shadow: inset 0 0 0 1px var(--color-brand); font-weight: 500; }

.tabs { display: flex; gap: 0.25rem; border-bottom: 1px solid var(--color-border); }
.tab { padding: 0.625rem 0.875rem; font-size: 0.875rem; color: var(--color-text-muted); border-bottom: 2px solid transparent; margin-bottom: -1px; transition: color var(--duration-fast); }
.tab:hover { color: var(--color-text); }
.tab.is-active { color: var(--color-brand-strong); border-bottom-color: var(--color-brand); font-weight: 500; }

/* ── KV detail grid ──────────────────────────────────────────────────── */
.kv { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0.625rem 1.5rem; }
@media (max-width: 640px) { .kv { grid-template-columns: 1fr; } }
.kv__row { display: flex; flex-direction: column; gap: 0.125rem; }
.kv__row dt { font-size: 0.6875rem; text-transform: uppercase; letter-spacing: 0.04em; color: var(--color-text-subtle); }
.kv__row dd { font-size: 0.8125rem; font-family: var(--font-mono); word-break: break-all; }

/* ── Banners ─────────────────────────────────────────────────────────── */
.banner { display: flex; gap: 0.75rem; padding: 0.875rem 1rem; border-radius: var(--radius-md); font-size: 0.8125rem; line-height: 1.45; }
.banner .ico { width: 1.125rem; height: 1.125rem; flex-shrink: 0; margin-top: 0.0625rem; }
.banner--info { background: var(--color-brand-soft); color: var(--color-brand-strong); }
.banner--warning { background: var(--color-warning-bg); color: color-mix(in srgb, var(--color-warning) 80%, black); }
.banner--danger { background: var(--color-danger-bg); color: var(--color-danger); }
.banner strong { font-weight: 600; }

/* ── Forms ───────────────────────────────────────────────────────────── */
.field { display: flex; flex-direction: column; gap: 0.375rem; }
.field > label { font-size: 0.8125rem; font-weight: 500; }
.field__hint { font-size: 0.75rem; color: var(--color-text-muted); }
.input, .select, .textarea {
  width: 100%;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-md);
  background: var(--color-bg-elevated);
  padding: 0.5rem 0.75rem;
  font-size: 0.875rem;
  transition: border-color var(--duration-fast), box-shadow var(--duration-fast);
}
.input:focus, .select:focus, .textarea:focus {
  outline: none;
  border-color: var(--color-brand);
  box-shadow: 0 0 0 3px var(--color-brand-soft);
}
.textarea { resize: vertical; font-family: var(--font-mono); font-size: 0.8125rem; line-height: 1.5; }
.select { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23999' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 0.625rem center; padding-right: 2rem; cursor: pointer; }

/* ── Inline forms (create / edit panels) ─────────────────────────────── */
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }
@media (max-width: 720px) { .form-grid { grid-template-columns: 1fr; } }
.checklist { display: flex; flex-direction: column; gap: 0.5rem; max-height: 12rem; overflow-y: auto; border: 1px solid var(--color-border); border-radius: var(--radius-md); padding: 0.625rem 0.75rem; }
.checklist__item { display: flex; align-items: center; gap: 0.5rem; font-size: 0.8125rem; cursor: pointer; }
.checklist__item input { accent-color: var(--color-brand); }

/* ── Code blocks ─────────────────────────────────────────────────────── */
.code {
  position: relative;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-neutral-950);
  color: var(--color-neutral-100);
  padding: 0.875rem 1rem;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  line-height: 1.6;
  overflow-x: auto;
  white-space: pre;
}
.code .tok-key { color: oklch(78% 0.13 200); }
.code .tok-str { color: oklch(80% 0.13 145); }
.code .tok-cmd { color: oklch(82% 0.12 90); }
.code__copy { position: absolute; top: 0.5rem; right: 0.5rem; }

/* ── Donut legend ────────────────────────────────────────────────────── */
.legend { display: flex; flex-direction: column; gap: 0.5rem; }
.legend__item { display: flex; align-items: center; gap: 0.5rem; font-size: 0.8125rem; }
.legend__swatch { width: 0.625rem; height: 0.625rem; border-radius: 2px; flex-shrink: 0; }
.legend__val { margin-left: auto; font-family: var(--font-mono); color: var(--color-text-muted); }

/* ── Charts ──────────────────────────────────────────────────────────── */
.chart { width: 100%; display: block; }
.chart-grid { stroke: var(--color-border); stroke-width: 1; stroke-dasharray: 2 4; vector-effect: non-scaling-stroke; }
.donut { display: block; }
.spark { display: block; }
.chart-axis { display: flex; justify-content: space-between; margin-top: 0.5rem; font-size: 0.6875rem; color: var(--color-text-subtle); font-family: var(--font-mono); }

/* ── Numbered list (overview top models) ─────────────────────────────── */
.rank-row { display: flex; align-items: center; gap: 0.75rem; padding: 0.5rem 0; }
.rank-row__n { width: 1.25rem; font-family: var(--font-mono); font-size: 0.75rem; color: var(--color-text-subtle); text-align: right; }
.rank-row__name { width: 8rem; font-size: 0.8125rem; font-weight: 500; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.rank-row__bar { flex: 1; }
.rank-row__val { font-family: var(--font-mono); font-size: 0.75rem; color: var(--color-text-muted); width: 3.5rem; text-align: right; }

/* ── Logs feed ───────────────────────────────────────────────────────── */
.log-row { border-bottom: 1px solid var(--color-border); }
.log-row__head { display: flex; align-items: center; gap: 0.625rem; padding: 0.625rem 1rem; cursor: pointer; font-size: 0.8125rem; transition: background var(--duration-fast); }
.log-row__head:hover { background: var(--color-bg-subtle); }
.log-row__time { font-family: var(--font-mono); color: var(--color-text-subtle); font-size: 0.75rem; }
.log-row__model { font-family: var(--font-mono); flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.log-row__num { font-family: var(--font-mono); color: var(--color-text-muted); font-size: 0.75rem; text-align: right; }
.log-row__detail { padding: 0.5rem 1rem 1.125rem; background: var(--color-bg-subtle); }
.status-pill { font-family: var(--font-mono); font-size: 0.6875rem; padding: 0.0625rem 0.375rem; border-radius: var(--radius-sm); font-weight: 600; }
.status-pill--2 { background: var(--color-success-bg); color: var(--color-success); }
.status-pill--4 { background: var(--color-warning-bg); color: color-mix(in srgb, var(--color-warning) 80%, black); }
.status-pill--5 { background: var(--color-danger-bg); color: var(--color-danger); }

/* ── Getting-started steps ───────────────────────────────────────────── */
.step { display: flex; gap: 1rem; padding: 1.25rem; }
.step__n { width: 1.75rem; height: 1.75rem; border-radius: 999px; display: grid; place-items: center; font-size: 0.8125rem; font-weight: 600; flex-shrink: 0; background: var(--color-bg-subtle); color: var(--color-text-muted); }
.step.is-done .step__n { background: var(--color-success-bg); color: var(--color-success); }
.step__body { flex: 1; }
.step__title { font-weight: 600; display: flex; align-items: center; gap: 0.5rem; }

/* ── Toast ───────────────────────────────────────────────────────────── */
#toast-host { position: fixed; bottom: 1.5rem; left: 50%; transform: translateX(-50%); z-index: 100; }
.toast { display: flex; align-items: center; gap: 0.5rem; padding: 0.625rem 1rem; border-radius: var(--radius-md); background: var(--color-neutral-900); color: var(--color-neutral-50); font-size: 0.8125rem; box-shadow: var(--shadow-card-hover); animation: toast-in var(--duration-normal) var(--ease-out-expo); }
.toast .ico { width: 1rem; height: 1rem; color: var(--color-brand-2); }
@keyframes toast-in { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }

/* ── Playground ──────────────────────────────────────────────────────── */
.pg-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }
@media (max-width: 900px) { .pg-grid { grid-template-columns: 1fr; } }
.pg-response { font-family: var(--font-mono); font-size: 0.8125rem; line-height: 1.6; white-space: pre-wrap; min-height: 8rem; }
.cursor-blink::after { content: "▋"; animation: blink 1s step-end infinite; color: var(--color-brand); }
@keyframes blink { 50% { opacity: 0; } }