/* SVR Design System — single source of truth.
   Import this file in any SVR project:  <link rel="stylesheet" href="svr.css"> */

/* ---------- tokens ---------- */
:root {
  /* type */
  --svr-font: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --svr-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;

  /* space (4px base) */
  --svr-s1: 4px;  --svr-s2: 8px;  --svr-s3: 12px;
  --svr-s4: 16px; --svr-s5: 24px; --svr-s6: 32px; --svr-s7: 48px;

  /* radius */
  --svr-r1: 4px; --svr-r2: 8px; --svr-r3: 14px;

  /* dark is the default surface for SVR consoles */
  --svr-bg:        #0a0c10;
  --svr-surface:   #12161d;
  --svr-surface-2: #1a2029;
  --svr-line:      #262e3a;
  --svr-ink:       #e6ebf2;
  --svr-ink-dim:   #8b96a6;
  --svr-ink-faint: #5a6472;

  --svr-accent:     #2ee6a8;
  --svr-accent-ink: #04140e;
  --svr-ok:         #2ee6a8;
  --svr-info:       #4da3ff;
  --svr-warn:       #ffb340;
  --svr-danger:     #ff5c5c;

  --svr-shadow: 0 1px 2px rgb(0 0 0 / .5), 0 8px 24px rgb(0 0 0 / .35);
}

/* light override — keeps anything built on these tokens correct in both themes */
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    --svr-bg:        #f5f7fa;
    --svr-surface:   #ffffff;
    --svr-surface-2: #eef1f6;
    --svr-line:      #d9dfe7;
    --svr-ink:       #0d1117;
    --svr-ink-dim:   #55606e;
    --svr-ink-faint: #8b96a6;
    --svr-accent:     #00996b;
    --svr-accent-ink: #ffffff;
    --svr-ok:         #00996b;
    --svr-info:       #0b6bd6;
    --svr-warn:       #b26a00;
    --svr-danger:     #d13b3b;
    --svr-shadow: 0 1px 2px rgb(16 24 40 / .06), 0 8px 24px rgb(16 24 40 / .08);
  }
}
:root[data-theme="light"] {
  --svr-bg:#f5f7fa; --svr-surface:#fff; --svr-surface-2:#eef1f6; --svr-line:#d9dfe7;
  --svr-ink:#0d1117; --svr-ink-dim:#55606e; --svr-ink-faint:#8b96a6;
  --svr-accent:#00996b; --svr-accent-ink:#fff; --svr-ok:#00996b;
  --svr-info:#0b6bd6; --svr-warn:#b26a00; --svr-danger:#d13b3b;
  --svr-shadow: 0 1px 2px rgb(16 24 40 / .06), 0 8px 24px rgb(16 24 40 / .08);
}

/* ---------- base ---------- */
.svr, .svr-preview {
  font-family: var(--svr-font);
  color: var(--svr-ink);
  background: var(--svr-bg);
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* ---------- type scale ---------- */
.svr-display { font-size: 40px; font-weight: 600; letter-spacing: -.02em; line-height: 1.1; }
.svr-h1      { font-size: 26px; font-weight: 600; letter-spacing: -.01em; line-height: 1.2; }
.svr-h2      { font-size: 19px; font-weight: 600; line-height: 1.3; }
.svr-body    { font-size: 14px; }
.svr-small   { font-size: 12px; color: var(--svr-ink-dim); }
.svr-label   { font-size: 11px; font-weight: 500; letter-spacing: .09em; text-transform: uppercase;
               color: var(--svr-ink-faint); font-family: var(--svr-mono); }
.svr-num     { font-family: var(--svr-mono); font-variant-numeric: tabular-nums; }

/* ---------- surfaces ---------- */
.svr-panel {
  background: var(--svr-surface);
  border: 1px solid var(--svr-line);
  border-radius: var(--svr-r3);
  padding: var(--svr-s4);
  box-shadow: var(--svr-shadow);
}

/* ---------- buttons ---------- */
.svr-btn {
  font: inherit; font-weight: 500;
  display: inline-flex; align-items: center; gap: var(--svr-s2);
  padding: 9px 16px;
  border-radius: var(--svr-r2);
  border: 1px solid var(--svr-line);
  background: var(--svr-surface-2);
  color: var(--svr-ink);
  cursor: pointer;
  transition: background .12s, border-color .12s, opacity .12s;
}
.svr-btn:hover { border-color: var(--svr-ink-faint); }
.svr-btn:focus-visible { outline: 2px solid var(--svr-accent); outline-offset: 2px; }
.svr-btn[disabled] { opacity: .45; cursor: not-allowed; }

.svr-btn--primary { background: var(--svr-accent); color: var(--svr-accent-ink); border-color: transparent; }
.svr-btn--primary:hover { filter: brightness(1.08); }
.svr-btn--ghost   { background: transparent; }
.svr-btn--danger  { background: transparent; color: var(--svr-danger); border-color: var(--svr-danger); }
.svr-btn--danger:hover { background: color-mix(in srgb, var(--svr-danger) 14%, transparent); }
.svr-btn--sm { padding: 5px 10px; font-size: 12px; border-radius: var(--svr-r1); }
.svr-btn--lg { padding: 13px 22px; font-size: 15px; }

/* ---------- status ---------- */
.svr-badge {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--svr-mono); font-size: 11px; font-weight: 500;
  letter-spacing: .06em; text-transform: uppercase;
  padding: 3px 9px; border-radius: 999px;
  border: 1px solid currentColor;
  color: var(--svr-ink-dim);
}
.svr-badge::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.svr-badge--ok     { color: var(--svr-ok); }
.svr-badge--info   { color: var(--svr-info); }
.svr-badge--warn   { color: var(--svr-warn); }
.svr-badge--danger { color: var(--svr-danger); }
.svr-badge--live::before { animation: svr-pulse 1.6s ease-in-out infinite; }
@keyframes svr-pulse { 50% { opacity: .25; } }

/* ---------- metric tile (the telemetry workhorse) ---------- */
.svr-metric { display: grid; gap: var(--svr-s1); }
.svr-metric__value {
  font-family: var(--svr-mono); font-variant-numeric: tabular-nums;
  font-size: 30px; font-weight: 500; letter-spacing: -.02em; line-height: 1;
}
.svr-metric__unit  { font-size: 14px; color: var(--svr-ink-dim); margin-left: 3px; }
.svr-metric__delta { font-family: var(--svr-mono); font-size: 12px; }
.svr-metric__delta--up   { color: var(--svr-ok); }
.svr-metric__delta--down { color: var(--svr-danger); }

/* ---------- form ---------- */
.svr-field { display: grid; gap: 6px; }
.svr-input, .svr-select {
  font: inherit; font-family: var(--svr-mono);
  padding: 9px 12px;
  background: var(--svr-bg);
  color: var(--svr-ink);
  border: 1px solid var(--svr-line);
  border-radius: var(--svr-r2);
  width: 100%;
}
.svr-input::placeholder { color: var(--svr-ink-faint); }
.svr-input:focus, .svr-select:focus { outline: none; border-color: var(--svr-accent); box-shadow: 0 0 0 3px color-mix(in srgb, var(--svr-accent) 22%, transparent); }
.svr-input--error { border-color: var(--svr-danger); }
.svr-hint  { font-size: 12px; color: var(--svr-ink-faint); }
.svr-error { font-size: 12px; color: var(--svr-danger); }

.svr-switch { display: inline-flex; align-items: center; gap: var(--svr-s2); cursor: pointer; }
.svr-switch input { position: absolute; opacity: 0; }
.svr-switch__track {
  width: 38px; height: 22px; border-radius: 999px;
  background: var(--svr-surface-2); border: 1px solid var(--svr-line);
  position: relative; transition: background .15s, border-color .15s;
}
.svr-switch__track::after {
  content: ""; position: absolute; top: 2px; left: 2px;
  width: 16px; height: 16px; border-radius: 50%;
  background: var(--svr-ink-dim); transition: transform .15s, background .15s;
}
.svr-switch input:checked + .svr-switch__track { background: var(--svr-accent); border-color: transparent; }
.svr-switch input:checked + .svr-switch__track::after { transform: translateX(16px); background: var(--svr-accent-ink); }
.svr-switch input:focus-visible + .svr-switch__track { outline: 2px solid var(--svr-accent); outline-offset: 2px; }

/* ---------- table ---------- */
.svr-table { width: 100%; border-collapse: collapse; font-family: var(--svr-mono); font-size: 13px; }
.svr-table th {
  text-align: left; font-size: 11px; font-weight: 500; letter-spacing: .09em;
  text-transform: uppercase; color: var(--svr-ink-faint);
  padding: 0 var(--svr-s3) var(--svr-s2); border-bottom: 1px solid var(--svr-line);
}
.svr-table td { padding: var(--svr-s3); border-bottom: 1px solid var(--svr-line); font-variant-numeric: tabular-nums; }
.svr-table tr:last-child td { border-bottom: 0; }
.svr-table tbody tr:hover { background: var(--svr-surface-2); }