/* PolyQL playground.
 *
 * Palette: cyan-biased neutrals under a single instrument-cyan accent, with the
 * three fidelity states — full, partial, unsupported — as a separate semantic
 * set. The accent never carries a verdict and a verdict color is never used for
 * chrome, so a colored thing on this page means exactly one of the two.
 */

:root {
  color-scheme: light;

  --ground: #f2f6f7;
  --surface: #ffffff;
  --surface-sunk: #eaf0f2;
  --ink: #0e171c;
  --ink-muted: #5a6d76;
  --line: #d8e2e6;
  --line-strong: #b9c9cf;

  --accent: #0f7d9b;
  --accent-soft: #e2f1f5;

  --full: #1c7a4c;
  --partial: #96620f;
  --unsupported: #ac382c;
  --full-soft: #e3f2e9;
  --partial-soft: #f8eedb;
  --unsupported-soft: #fae7e4;

  --radius: 6px;
  --pad: 1.25rem;

  --sans: "IBM Plex Sans", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;

    --ground: #0c1317;
    --surface: #121c21;
    --surface-sunk: #0e171b;
    --ink: #e4edf0;
    --ink-muted: #8ba0a9;
    --line: #21313a;
    --line-strong: #33474f;

    --accent: #46b4d1;
    --accent-soft: #102b34;

    --full: #55b988;
    --partial: #d69c46;
    --unsupported: #e0776a;
    --full-soft: #10261c;
    --partial-soft: #2a2010;
    --unsupported-soft: #2e1815;
  }
}

:root[data-theme="dark"] {
  color-scheme: dark;

  --ground: #0c1317;
  --surface: #121c21;
  --surface-sunk: #0e171b;
  --ink: #e4edf0;
  --ink-muted: #8ba0a9;
  --line: #21313a;
  --line-strong: #33474f;

  --accent: #46b4d1;
  --accent-soft: #102b34;

  --full: #55b988;
  --partial: #d69c46;
  --unsupported: #e0776a;
  --full-soft: #10261c;
  --partial-soft: #2a2010;
  --unsupported-soft: #2e1815;
}

*, *::before, *::after { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--ground);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* --- masthead ---------------------------------------------------------- */

.masthead {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.5rem var(--pad) 1.1rem;
  border-bottom: 1px solid var(--line);
  background: var(--surface);
}

.masthead-identity { display: flex; align-items: baseline; gap: 0.85rem; flex-wrap: wrap; }

.masthead h1 {
  margin: 0;
  font-size: 1.3rem;
  font-weight: 600;
  letter-spacing: -0.015em;
}

.tagline { margin: 0; color: var(--ink-muted); font-size: 0.9rem; }

.masthead-meta { display: flex; align-items: center; gap: 1rem; }

.status {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-family: var(--mono);
  font-size: 0.74rem;
  color: var(--ink-muted);
}

.status-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--line-strong);
}

.status[data-state="loading"] .status-dot { animation: pulse 1.4s ease-in-out infinite; }
.status[data-state="ready"] .status-dot { background: var(--accent); }
.status[data-state="error"] .status-dot { background: var(--unsupported); }

@keyframes pulse { 0%, 100% { opacity: 0.3; } 50% { opacity: 1; } }

@media (prefers-reduced-motion: reduce) {
  .status[data-state="loading"] .status-dot { animation: none; opacity: 0.6; }
}

.repo-link {
  font-family: var(--mono);
  font-size: 0.74rem;
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}
.repo-link:hover { border-bottom-color: var(--accent); }

/* --- layout ------------------------------------------------------------ */

main {
  max-width: 1180px;
  margin: 0 auto;
  padding: var(--pad);
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}

.rail-label {
  font-family: var(--mono);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: var(--ink-muted);
}

/* --- examples ---------------------------------------------------------- */

.examples { display: flex; align-items: center; gap: 0.75rem; flex-wrap: wrap; }
.chips { display: flex; flex-wrap: wrap; gap: 0.4rem; }

.chip {
  font: inherit;
  font-size: 0.82rem;
  padding: 0.25rem 0.7rem;
  border: 1px solid var(--line);
  border-radius: 100px;
  background: var(--surface);
  color: var(--ink-muted);
  cursor: pointer;
}
.chip:hover { border-color: var(--line-strong); color: var(--ink); }
.chip[aria-pressed="true"] {
  border-color: var(--accent);
  background: var(--accent-soft);
  color: var(--accent);
}

/* --- advisory ----------------------------------------------------------- */

/* Shown when the source language cannot parse what is in the editor. It is
 * advice, not an error — the query is fine, the picker disagrees with it — so it
 * takes the accent rather than the unsupported color, which is reserved for a
 * verdict about a translation. */
.advisory {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem 0.9rem;
  padding: 0.65rem 0.85rem;
  border: 1px solid var(--accent);
  border-left-width: 3px;
  border-radius: var(--radius);
  background: var(--accent-soft);
}

.advisory[hidden] { display: none; }

.advisory-text { margin: 0; font-size: 0.85rem; color: var(--ink); }

.advisory-actions { display: flex; flex-wrap: wrap; gap: 0.4rem; }

.advisory-button {
  font-family: var(--mono);
  font-size: 0.75rem;
  padding: 0.2rem 0.6rem;
  color: var(--accent);
  background: var(--surface);
  border: 1px solid var(--accent);
  border-radius: 100px;
  cursor: pointer;
}
.advisory-button:hover { color: var(--surface); background: var(--accent); }

/* --- workbench --------------------------------------------------------- */

.workbench {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: stretch;
  gap: 0.75rem;
}

.pane {
  display: flex;
  flex-direction: column;
  min-width: 0;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.pane-head {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.55rem 0.8rem;
  border-bottom: 1px solid var(--line);
  background: var(--surface-sunk);
}

.dsl {
  font-family: var(--mono);
  font-size: 0.82rem;
  max-width: 100%;
  color: var(--ink);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 0.15rem 0.4rem;
}

.copy {
  margin-left: auto;
  font-family: var(--mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--ink-muted);
  background: none;
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 0.15rem 0.5rem;
  cursor: pointer;
}
.copy:hover { color: var(--accent); border-color: var(--accent); }

.editor, .output {
  margin: 0;
  padding: 0.9rem;
  min-height: 8.5rem;
  font-family: var(--mono);
  font-size: 0.85rem;
  line-height: 1.6;
  color: var(--ink);
  background: var(--surface);
  border: 0;
  resize: vertical;
  white-space: pre-wrap;
  word-break: break-word;
  overflow-x: auto;
}
.editor:focus { outline: none; box-shadow: inset 0 0 0 2px var(--accent-soft); }

.output[data-empty="true"] { color: var(--ink-muted); font-style: italic; }
.output[data-error="true"] { color: var(--unsupported); }

.pane-foot {
  margin: 0;
  padding: 0.55rem 0.8rem;
  border-top: 1px solid var(--line);
  background: var(--surface-sunk);
  color: var(--ink-muted);
  font-size: 0.8rem;
  min-height: 2.4rem;
}

.notes {
  list-style: none;
  margin: 0;
  padding: 0.55rem 0.8rem;
  border-top: 1px solid var(--line);
  background: var(--surface-sunk);
  min-height: 2.4rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.notes li {
  font-size: 0.8rem;
  color: var(--ink-muted);
  padding-left: 0.9rem;
  position: relative;
}
.notes li::before {
  content: "#";
  position: absolute;
  left: 0;
  font-family: var(--mono);
  color: var(--line-strong);
}

.swap {
  align-self: center;
  width: 2rem; height: 2rem;
  display: grid;
  place-items: center;
  font-size: 1rem;
  color: var(--ink-muted);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 50%;
  cursor: pointer;
}
.swap:hover { color: var(--accent); border-color: var(--accent); }

/* --- verdict ----------------------------------------------------------- */

.verdict {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0.9rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.verdict-head { display: flex; align-items: center; gap: 1.1rem; }

.score { display: flex; flex-direction: column; align-items: flex-start; line-height: 1.1; }

.score-value {
  font-family: var(--mono);
  font-size: 1.9rem;
  font-weight: 500;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
}

.meter-block { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 0.4rem; }

.meter {
  display: flex;
  height: 8px;
  border-radius: 100px;
  overflow: hidden;
  background: var(--surface-sunk);
}
.meter span { display: block; height: 100%; }
.meter .seg-full { background: var(--full); }
.meter .seg-partial { background: var(--partial); }
.meter .seg-unsupported { background: var(--unsupported); }

.summary {
  margin: 0;
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--ink-muted);
  font-variant-numeric: tabular-nums;
}

.findings { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 0.4rem; }

.finding {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.6rem;
  align-items: start;
  padding: 0.5rem 0.65rem;
  border-radius: 4px;
  background: var(--surface-sunk);
  font-size: 0.83rem;
}

.flag {
  font-family: var(--mono);
  font-size: 0.65rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  padding: 0.1rem 0.4rem;
  border-radius: 3px;
  white-space: nowrap;
}
.flag[data-flag="PARTIAL"] { color: var(--partial); background: var(--partial-soft); }
.flag[data-flag="UNSUPPORTED"] { color: var(--unsupported); background: var(--unsupported-soft); }
.flag[data-flag="FULL"] { color: var(--full); background: var(--full-soft); }

.finding-body { min-width: 0; }
.finding-path {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--ink-muted);
  overflow-wrap: anywhere;
}
.finding-reason { color: var(--ink); }

.mismatch {
  font-size: 0.83rem;
  color: var(--ink-muted);
  padding: 0.5rem 0.65rem;
  border-left: 2px solid var(--line-strong);
}

/* --- colophon ---------------------------------------------------------- */

.colophon {
  color: var(--ink-muted);
  font-size: 0.8rem;
  border-top: 1px solid var(--line);
  padding-top: 0.9rem;
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}
.colophon p { margin: 0; max-width: 62ch; }
.colophon em { font-family: var(--mono); font-style: normal; color: var(--ink); }
.build { font-family: var(--mono); font-size: 0.7rem; }

@media (max-width: 860px) {
  .workbench { grid-template-columns: 1fr; }
  .swap { transform: rotate(90deg); justify-self: center; }
  .verdict-head { flex-direction: column; align-items: stretch; gap: 0.6rem; }
}