/* demo.css – styling for the Firebird WASM demo.
 *
 * Theme-aware: the palette is defined once in custom properties and swapped by
 * `prefers-color-scheme`, so there is no second copy of the rules to keep in
 * step.
 */

:root {
  color-scheme: light dark;

  --bg: #fbfaf9;
  --panel: #ffffff;
  --panel-2: #f4f2f0;
  --ink: #1c1917;
  --ink-soft: #57534e;
  --ink-faint: #8b8681;
  --line: #e3dfdb;
  --accent: #c2410c;
  --accent-ink: #ffffff;
  --ok: #15803d;
  --bad: #b91c1c;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas,
    "Liberation Mono", monospace;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #17150f;
    --panel: #211e17;
    --panel-2: #2b2720;
    --ink: #f5f0e8;
    --ink-soft: #c4bcae;
    --ink-faint: #8d8577;
    --line: #3a352c;
    --accent: #f97316;
    --accent-ink: #1a1710;
    --ok: #4ade80;
    --bad: #f87171;
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.55 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--accent);
}

/* ── Masthead ──────────────────────────────────────────────────────────── */

.masthead {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 2rem;
  align-items: flex-start;
  justify-content: space-between;
  padding: 2rem clamp(1rem, 4vw, 3rem) 1.5rem;
  border-bottom: 1px solid var(--line);
}

.masthead h1 {
  margin: 0 0 0.35rem;
  font-size: clamp(1.5rem, 3.5vw, 2.1rem);
  letter-spacing: -0.02em;
}

.masthead p {
  margin: 0;
  max-width: 60ch;
  color: var(--ink-soft);
}

.status {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.45rem 0.85rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--panel);
  font-size: 0.85rem;
  white-space: nowrap;
}

.status-dot {
  width: 0.6rem;
  height: 0.6rem;
  border-radius: 50%;
  background: var(--ink-faint);
  flex: none;
}

.status[data-state="booting"] .status-dot {
  background: var(--accent);
  animation: pulse 1.1s ease-in-out infinite;
}
.status[data-state="ready"] .status-dot {
  background: var(--ok);
}
.status[data-state="error"] .status-dot {
  background: var(--bad);
}
.status[data-state="busy"] .status-dot {
  background: var(--accent);
  animation: pulse 0.7s ease-in-out infinite;
}

@keyframes pulse {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.25;
  }
}

@media (prefers-reduced-motion: reduce) {
  .status-dot {
    animation: none !important;
  }
}

/* ── Layout ────────────────────────────────────────────────────────────── */

main {
  display: grid;
  grid-template-columns: minmax(240px, 21rem) minmax(0, 1fr);
  gap: clamp(1rem, 3vw, 2.5rem);
  padding: clamp(1rem, 3vw, 2rem) clamp(1rem, 4vw, 3rem) 3rem;
  align-items: start;
}

@media (max-width: 860px) {
  main {
    grid-template-columns: minmax(0, 1fr);
  }
}

/* ── Examples ──────────────────────────────────────────────────────────── */

.examples h2 {
  margin: 0 0 0.25rem;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-faint);
}

.examples-hint {
  margin: 0 0 1rem;
  font-size: 0.85rem;
  color: var(--ink-soft);
}

.examples ol {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.5rem;
}

.example {
  width: 100%;
  text-align: left;
  padding: 0.7rem 0.85rem;
  border: 1px solid var(--line);
  border-radius: 0.6rem;
  background: var(--panel);
  color: inherit;
  font: inherit;
  cursor: pointer;
  transition: border-color 0.12s ease, transform 0.12s ease;
}

.example:hover {
  border-color: var(--accent);
}

.example:active {
  transform: translateY(1px);
}

.example[aria-current="true"] {
  border-color: var(--accent);
  box-shadow: inset 3px 0 0 var(--accent);
}

.example strong {
  display: block;
  font-size: 0.95rem;
  font-weight: 600;
}

.example span {
  display: block;
  margin-top: 0.15rem;
  font-size: 0.82rem;
  color: var(--ink-soft);
}

.persistence {
  margin-top: 1.75rem;
  padding: 0.9rem 1rem;
  border: 1px dashed var(--line);
  border-radius: 0.6rem;
  background: var(--panel-2);
}

.persistence h3 {
  margin: 0 0 0.35rem;
  font-size: 0.9rem;
}

.persistence p {
  margin: 0 0 0.7rem;
  font-size: 0.85rem;
  color: var(--ink-soft);
}

/* ── Console ───────────────────────────────────────────────────────────── */

.console {
  display: grid;
  gap: 1.25rem;
  min-width: 0;
}

.editor-wrap {
  border: 1px solid var(--line);
  border-radius: 0.7rem;
  background: var(--panel);
  padding: 0.9rem 1rem 1rem;
}

.field-label {
  display: block;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--ink-faint);
  margin-bottom: 0.35rem;
}

.field-hint {
  text-transform: none;
  letter-spacing: 0;
  color: var(--ink-faint);
  font-weight: 400;
}

textarea#sql {
  width: 100%;
  min-height: 11rem;
  resize: vertical;
  padding: 0.75rem 0.85rem;
  border: 1px solid var(--line);
  border-radius: 0.5rem;
  background: var(--bg);
  color: var(--ink);
  font: 13.5px/1.6 var(--mono);
  tab-size: 2;
}

input#params {
  width: 100%;
  padding: 0.5rem 0.7rem;
  border: 1px solid var(--line);
  border-radius: 0.5rem;
  background: var(--bg);
  color: var(--ink);
  font: 13px/1.5 var(--mono);
}

textarea#sql:focus,
input#params:focus {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

.params-row {
  margin-top: 0.85rem;
}

.actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-top: 0.95rem;
}

button.primary {
  padding: 0.55rem 1.1rem;
  border: 0;
  border-radius: 0.5rem;
  background: var(--accent);
  color: var(--accent-ink);
  font: 600 0.95rem/1.2 inherit;
  cursor: pointer;
}

button.primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

button.ghost {
  padding: 0.4rem 0.75rem;
  border: 1px solid var(--line);
  border-radius: 0.45rem;
  background: transparent;
  color: var(--ink-soft);
  font: 0.85rem/1.2 inherit;
  cursor: pointer;
}

button.ghost:hover {
  border-color: var(--bad);
  color: var(--bad);
}

kbd {
  font: 0.75rem var(--mono);
  opacity: 0.75;
  padding: 0 0.15rem;
}

.timing {
  font: 0.85rem var(--mono);
  color: var(--ink-faint);
}

/* ── Results ───────────────────────────────────────────────────────────── */

.result {
  border: 1px solid var(--line);
  border-radius: 0.7rem;
  background: var(--panel);
  min-height: 8rem;
  overflow: hidden;
}

.placeholder,
.message {
  margin: 0;
  padding: 1.1rem 1.15rem;
  color: var(--ink-soft);
  font-size: 0.92rem;
}

.message.error {
  color: var(--bad);
  font-family: var(--mono);
  font-size: 0.85rem;
  white-space: pre-wrap;
  word-break: break-word;
}

.message.ok {
  color: var(--ok);
}

/* Wide result sets scroll inside the panel; the page itself never does. */
.table-scroll {
  overflow-x: auto;
  max-height: 26rem;
  overflow-y: auto;
}

table {
  border-collapse: collapse;
  width: 100%;
  font: 13px/1.5 var(--mono);
}

thead th {
  position: sticky;
  top: 0;
  background: var(--panel-2);
  text-align: left;
  padding: 0.5rem 0.75rem;
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
  font-weight: 600;
}

thead th .coltype {
  display: block;
  font-size: 0.72rem;
  font-weight: 400;
  color: var(--ink-faint);
  letter-spacing: 0.03em;
}

tbody td {
  padding: 0.4rem 0.75rem;
  border-bottom: 1px solid var(--line);
  white-space: pre;
  vertical-align: top;
}

tbody tr:nth-child(even) {
  background: color-mix(in srgb, var(--panel-2) 45%, transparent);
}

td.null {
  color: var(--ink-faint);
  font-style: italic;
}

.result-meta {
  padding: 0.55rem 1.15rem;
  border-top: 1px solid var(--line);
  font-size: 0.82rem;
  color: var(--ink-faint);
  background: var(--panel-2);
}

/* ── Footer ────────────────────────────────────────────────────────────── */

footer {
  border-top: 1px solid var(--line);
  padding: 1.25rem clamp(1rem, 4vw, 3rem) 2.5rem;
  color: var(--ink-faint);
  font-size: 0.85rem;
}

footer p {
  margin: 0.2rem 0;
}

.footnote {
  font-size: 0.8rem;
}