/* Slicedeck - demo styling.
   Dark instrument-panel look: the deck is the hero, everything else is chrome. */

:root {
  --bg: #0a0c12;
  --bg-raised: #12151e;
  --bg-sunken: #070910;
  --line: #232839;
  --text: #e7ebf4;
  --text-dim: #8b93a8;
  --accent: #5ce1c8;
  --accent-dim: #2b7f70;
  --warn: #ffb454;
  --deck-body: #1a1d26;
  --deck-well: #05060a;
  --radius: 14px;
  --font: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background:
    radial-gradient(1200px 700px at 50% -10%, #16203a 0%, transparent 60%),
    var(--bg);
  color: var(--text);
  font-family: var(--font);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 { line-height: 1.2; margin: 0; }

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

.masthead {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
  padding: 1.6rem clamp(1rem, 4vw, 3rem);
  border-bottom: 1px solid var(--line);
}

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

.masthead__mark {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: var(--deck-body);
  border: 1px solid var(--line);
  display: grid;
  grid-template: repeat(2, 1fr) / repeat(2, 1fr);
  gap: 3px;
  padding: 6px;
}
.masthead__mark::before,
.masthead__mark::after {
  content: '';
  border-radius: 3px;
  background: var(--accent);
  box-shadow: 0 0 10px rgba(92, 225, 200, 0.35);
}
.masthead__mark::after { background: var(--accent-dim); }

.masthead h1 { font-size: 1.15rem; letter-spacing: -0.01em; }
.masthead p { margin: 0.15rem 0 0; color: var(--text-dim); font-size: 0.9rem; }

.masthead__links { display: flex; gap: 1.25rem; font-size: 0.9rem; }
.masthead__links a { color: var(--text-dim); text-decoration: none; }
.masthead__links a:hover { color: var(--accent); }

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

main {
  max-width: 1220px;
  margin: 0 auto;
  padding: clamp(1.5rem, 4vw, 3rem) clamp(1rem, 4vw, 3rem) 4rem;
}

.stage {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 288px;
  gap: 1.75rem;
  align-items: start;
}

.controls {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.25rem;
  margin-top: 1.75rem;
}
.panel {
  background: var(--bg-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.1rem 1.2rem 1.25rem;
}
/* Scoped to the stacked side column: in the .controls grid every panel is a
   sibling of another, and a blanket margin knocked the second and third out of
   line with the first. */
.stage__side .panel + .panel { margin-top: 1.25rem; }

.panel h2 {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-dim);
  margin-bottom: 0.85rem;
}
.panel__head {
  display: flex;
  align-items: baseline;
  gap: 0.9rem;
  margin-bottom: 0.85rem;
}
.panel__head h2 { margin-bottom: 0; }
/* The chain takes the slack, so the heading and the Clear button stay pinned to
   the two ends of the row whatever the chain says. */
.panel__head .chain {
  flex: 1;
  min-width: 0;
  margin: 0;
  font-size: 0.8rem;
  color: var(--text-dim);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* --- the deck ----------------------------------------------------------- */

/* The column is a query container so the deck can be sized from whichever
   runs out first: the width beside the telemetry panels, or the viewport
   height. Height matters because the filter bar below has to stay on screen -
   toggling a filter is pointless if it scrolls the keys out of view. */
.stage__deck { container-type: inline-size; }

.deck {
  display: flex;
  gap: 1rem;
  align-items: stretch;
  justify-content: center;
  position: relative;
}

.deck__body {
  /* Sized by the grid inside it rather than filling the column, so the body
     never draws a strip of bezel beside a height-capped grid. */
  flex: 0 1 auto;
  background: linear-gradient(180deg, #212533 0%, var(--deck-body) 55%, #14161f 100%);
  border: 1px solid #2c3243;
  border-radius: 18px;
  padding: 1.1rem;
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.06) inset,
    0 26px 60px -22px rgba(0, 0, 0, 0.9);
}

.deck__brandline {
  display: flex;
  gap: 6px;
  justify-content: flex-end;
  margin-bottom: 0.7rem;
  opacity: 0.5;
}
.deck__brandline span {
  width: 22px;
  height: 3px;
  border-radius: 2px;
  background: #3b4257;
}
.deck__brandline span:last-child { width: 8px; }

.deck__grid {
  display: grid;
  grid-template-columns: repeat(var(--cols, 8), 1fr);
  grid-template-rows: repeat(var(--rows, 4), 1fr);
  gap: clamp(5px, 0.9vw, 11px);
  aspect-ratio: var(--cols, 8) / var(--rows, 4);
  /* Whichever runs out first, with a floor so a very short window still shows a
     usable deck. 92px side keys + 1rem deck gap + 2.2rem body padding is what
     the grid does not get from the column width; 490px is everything stacked
     above and below it that also has to fit - masthead, bezel, caption row and
     the filter bar. */
  height: max(
    160px,
    min(
      calc(100vh - 490px),
      calc((100cqw - 92px - 3.2rem) * var(--rows, 4) / var(--cols, 8))
    )
  );
  width: auto;
}

.deck__overlay {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
  border-radius: 18px;
}

.deck__zoomer {
  position: absolute;
  border-radius: 10px;
  box-shadow: 0 0 0 1px rgba(92, 225, 200, 0.6), 0 20px 50px -12px rgba(0, 0, 0, 0.8);
  will-change: transform, opacity;
}
.deck__zoomer--out {
  background: rgba(92, 225, 200, 0.1);
  border: 1px solid rgba(92, 225, 200, 0.5);
}

/* --- keys --------------------------------------------------------------- */

.key {
  position: relative;
  padding: 0;
  border: 0;
  border-radius: 10px;
  background: var(--deck-well);
  cursor: pointer;
  overflow: hidden;
  box-shadow:
    0 0 0 1px rgba(0, 0, 0, 0.7),
    0 2px 5px rgba(0, 0, 0, 0.55) inset,
    0 1px 0 rgba(255, 255, 255, 0.05);
  transition: box-shadow 140ms ease;
  will-change: transform;
}

.key__screen {
  display: block;
  width: 100%;
  height: 100%;
  border-radius: 9px;
  /* The key's own LCD look: a faint sheen across the top of the glass. */
  filter: saturate(1.05);
}

.key::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 10px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.13) 0%, transparent 42%);
  pointer-events: none;
}

.key:hover { box-shadow: 0 0 0 1px rgba(92, 225, 200, 0.55), 0 0 18px -4px rgba(92, 225, 200, 0.5); }
.key:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.key__flash {
  position: absolute;
  inset: 0;
  border-radius: 10px;
  background: #fff;
  opacity: 0;
  pointer-events: none;
}

/* --- side keys ---------------------------------------------------------- */

.deck__side {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  width: 92px;
  padding: 1.1rem 0;
}

.sidekey {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.15rem;
  padding: 0.7rem 0.4rem;
  border-radius: 11px;
  border: 1px solid #2c3243;
  background: linear-gradient(180deg, #242938 0%, #171a24 100%);
  color: var(--text);
  font: inherit;
  font-size: 0.72rem;
  cursor: pointer;
  transition: transform 90ms ease, border-color 140ms ease, opacity 140ms ease;
}
.sidekey__icon { font-size: 1.1rem; line-height: 1; color: var(--accent); }
.sidekey__label { letter-spacing: 0.05em; text-transform: uppercase; color: var(--text-dim); }
.sidekey:hover:not(:disabled) { border-color: var(--accent-dim); }
.sidekey:active:not(:disabled) { transform: translateY(2px) scale(0.96); }
.sidekey:disabled { opacity: 0.32; cursor: default; }

.sidekey__hint {
  margin-top: auto;
  font-size: 0.68rem;
  color: var(--text-dim);
  text-align: center;
  line-height: 1.7;
}
kbd {
  font-family: var(--mono);
  font-size: 0.68rem;
  background: #1b1f2b;
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 1px 4px;
}

/* Caption left, status right, on one baseline - two stacked lines here cost
   vertical space the filter bar needs. */
.deck__meta {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 0.9rem;
  min-height: 1.5rem;
}

.deck__caption {
  margin: 0;
  font-size: 0.82rem;
  color: var(--text-dim);
  font-family: var(--mono);
}

.status { margin: 0; font-size: 0.85rem; text-align: right; }
.status[data-tone='ok'] { color: var(--accent); }
.status[data-tone='warn'] { color: var(--warn); }

/* --- side panels -------------------------------------------------------- */

#minimap {
  width: 100%;
  height: auto;
  border-radius: 8px;
  background: var(--bg-sunken);
  border: 1px solid var(--line);
  display: block;
}

.viewport__meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 0.7rem;
  font-size: 0.82rem;
  color: var(--text-dim);
}
.badge {
  font-family: var(--mono);
  color: var(--accent);
  background: rgba(92, 225, 200, 0.1);
  border: 1px solid rgba(92, 225, 200, 0.25);
  border-radius: 999px;
  padding: 0.1rem 0.55rem;
  font-size: 0.75rem;
}

.viewport__right { display: flex; align-items: center; gap: 0.5rem; }
.viewport__right em { font-style: normal; font-size: 0.72rem; color: var(--text-dim); }

/* Interpolated zoom gets a warmer badge, so magnification past 1:1 reads as a
   different kind of number rather than more of the same. */
.badge--soft {
  color: var(--warn);
  background: rgba(255, 180, 84, 0.1);
  border-color: rgba(255, 180, 84, 0.3);
}

.hud { display: grid; gap: 0.55rem; margin: 0; }
.hud > div { display: flex; align-items: baseline; justify-content: space-between; gap: 0.75rem; }
.hud dt { color: var(--text-dim); font-size: 0.82rem; }
.hud dd { margin: 0; font-family: var(--mono); font-size: 0.9rem; color: var(--text); }

.hint { color: var(--text-dim); font-size: 0.8rem; margin: 0.7rem 0 0; }
code { font-family: var(--mono); font-size: 0.85em; color: var(--accent); }

/* --- form controls ------------------------------------------------------ */

.radios { display: grid; gap: 0.45rem; }
.radios label,
.switch {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  font-size: 0.88rem;
  cursor: pointer;
}
input[type='radio'], input[type='checkbox'] { accent-color: var(--accent); width: 15px; height: 15px; }

.text-input {
  width: 100%;
  margin-top: 0.7rem;
  padding: 0.45rem 0.6rem;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: var(--bg-sunken);
  color: var(--text);
  font-family: var(--mono);
  font-size: 0.8rem;
}
.text-input:focus { outline: none; border-color: var(--accent-dim); }

/* One slot for whichever source's options are showing. The floor keeps the
   three control panels the same height as the visitor switches between them. */
.source-extra { margin-top: 0.9rem; min-height: 5.5rem; }
.source-extra__pane[hidden] { display: none; }
.source-extra__pane .hint { margin-top: 0.55rem; }

.select-input,
.file-input {
  width: 100%;
  padding: 0.45rem 0.6rem;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: var(--bg-sunken);
  color: var(--text);
  font: inherit;
  font-size: 0.82rem;
}
.select-input:focus,
.file-input:focus { outline: none; border-color: var(--accent-dim); }
.file-input::file-selector-button {
  margin-right: 0.6rem;
  padding: 0.2rem 0.6rem;
  border-radius: 6px;
  border: 1px solid var(--line);
  background: var(--bg-raised);
  color: var(--text-dim);
  font: inherit;
  font-size: 0.75rem;
  cursor: pointer;
}

.credit {
  margin: 0.9rem 0 0;
  min-height: 1.1rem;
  font-size: 0.72rem;
  color: var(--text-dim);
}

.slider-row {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 0.4rem 0.75rem;
  margin-top: 0.9rem;
  font-size: 0.85rem;
}
.slider-row span { color: var(--text-dim); }
.slider-row input { grid-column: 1 / -1; }
.slider-row output { font-family: var(--mono); font-size: 0.8rem; color: var(--accent); }

input[type='range'] { width: 100%; accent-color: var(--accent); }

.ghost {
  background: none;
  border: 1px solid var(--line);
  color: var(--text-dim);
  border-radius: 7px;
  padding: 0.2rem 0.6rem;
  font: inherit;
  font-size: 0.75rem;
  cursor: pointer;
}
.ghost:hover { color: var(--accent); border-color: var(--accent-dim); }

/* --- filters ------------------------------------------------------------ */

.panel--filters { margin-top: 1rem; }

.filters {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(112px, 1fr));
  gap: 0.55rem;
}
/* Fixed rows: a filter with no argument still reserves the slider's line, so
   the toggles line up across the grid instead of drifting row by row. */
.filter {
  display: grid;
  grid-template-rows: 34px 18px;
  gap: 0.3rem;
  align-content: start;
}
.filter__spacer { display: block; }

.filter__toggle {
  padding: 0 0.6rem;
  border-radius: 9px;
  border: 1px solid var(--line);
  background: var(--bg-sunken);
  color: var(--text-dim);
  font: inherit;
  font-size: 0.82rem;
  cursor: pointer;
  transition: all 140ms ease;
}
.filter__toggle:hover { border-color: var(--accent-dim); color: var(--text); }
.filter__toggle.is-on {
  background: rgba(92, 225, 200, 0.14);
  border-color: var(--accent);
  color: var(--accent);
}
.filter__slider { width: 100%; height: 18px; margin: 0; }
.filter__slider:disabled { opacity: 0.25; }

/* --- prose -------------------------------------------------------------- */

.prose { margin-top: 3.5rem; }
.prose > h2 {
  font-size: 1.35rem;
  margin-bottom: 1.2rem;
  padding-bottom: 0.6rem;
  border-bottom: 1px solid var(--line);
}
.prose > h2:not(:first-child) { margin-top: 2.75rem; }

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.1rem;
}
.cards article {
  background: var(--bg-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.1rem 1.2rem;
}
.cards h3 { font-size: 0.95rem; color: var(--accent); margin-bottom: 0.5rem; }
.cards p { margin: 0; font-size: 0.88rem; color: #b9c1d4; }

pre {
  background: var(--bg-sunken);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 1rem 1.1rem;
  overflow-x: auto;
}
pre code { color: #cbd3e6; font-size: 0.83rem; line-height: 1.7; }

footer {
  border-top: 1px solid var(--line);
  padding: 1.5rem clamp(1rem, 4vw, 3rem);
  color: var(--text-dim);
  font-size: 0.8rem;
  text-align: center;
}

/* --- responsive --------------------------------------------------------- */

@media (max-width: 940px) {
  .stage { grid-template-columns: minmax(0, 1fr); }
  .stage__side { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 1.25rem; }
  .stage__side .panel + .panel { margin-top: 0; }
}

@media (max-width: 620px) {
  .deck { flex-direction: column; }
  /* Stacked layout: no side-key column to subtract, and height is no longer the
     scarce axis. */
  .deck__grid { height: auto; width: 100%; }
  .deck__body { flex: 1; }
  .deck__meta { flex-direction: column; align-items: flex-start; gap: 0.25rem; }
  .status { text-align: left; }
  .deck__side { flex-direction: row; width: auto; padding: 0; align-items: stretch; }
  .sidekey { flex: 1; flex-direction: row; gap: 0.5rem; }
  .sidekey__hint { margin: 0; align-self: center; text-align: right; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}