/* TryLine Studio - control room styling.
   Deliberately close to the graphics themselves: condensed display type,
   dark field, one live accent. */

:root {
  --bg: #0a0e16;
  --bg-raised: #121826;
  --bg-sunken: #070a11;
  --line: #202b41;
  --ink: #f2f6fc;
  --ink-muted: #8b9cba;
  --ink-faint: #5a6b8a;
  --accent: #25d07a;
  --accent-ink: #04180d;
  --danger: #ff6b7d;

  --radius: 12px;
  --radius-lg: 18px;
  --pad: 20px;

  --display: "Barlow Condensed", "Arial Narrow", sans-serif;
  --body: "Inter", system-ui, -apple-system, sans-serif;
}

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

/* Flex display on .field would otherwise beat the hidden attribute. */
[hidden] { display: none !important; }

body {
  margin: 0;
  background:
    radial-gradient(1200px 600px at 20% -10%, rgba(37, 208, 122, 0.09), transparent 60%),
    var(--bg);
  color: var(--ink);
  font-family: var(--body);
  font-size: 14px;
  line-height: 1.5;
  min-height: 100vh;
}

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

.masthead {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  padding: 22px clamp(16px, 3vw, 40px) 14px;
  border-bottom: 1px solid var(--line);
}

.wordmark { display: flex; align-items: center; gap: 12px; }

.wordmark__mark {
  width: 8px;
  height: 34px;
  border-radius: 99px;
  background: linear-gradient(180deg, var(--accent), #0f8a4d);
}

.masthead h1 {
  margin: 0;
  font-family: var(--display);
  font-size: 30px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.masthead h1 em { font-style: normal; color: var(--ink-muted); font-weight: 500; }

.masthead__tag {
  margin: 0;
  color: var(--ink-faint);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

/* ---------- shell ---------- */

.shell {
  display: grid;
  grid-template-columns: minmax(300px, 380px) minmax(0, 1fr);
  gap: clamp(16px, 2vw, 32px);
  padding: clamp(16px, 2.4vw, 32px) clamp(16px, 3vw, 40px) 40px;
  align-items: start;
}

@media (max-width: 900px) {
  .shell { grid-template-columns: 1fr; }
}

.rail { display: flex; flex-direction: column; gap: 16px; }

.panel {
  background: linear-gradient(180deg, var(--bg-raised), rgba(18, 24, 38, 0.6));
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: var(--pad);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.panel__title {
  margin: 0 0 2px;
  font-family: var(--display);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

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

.segmented {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px;
  padding: 4px;
  background: var(--bg-sunken);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.segmented__button {
  appearance: none;
  border: 0;
  background: transparent;
  color: var(--ink-muted);
  font: inherit;
  font-weight: 600;
  padding: 9px 10px;
  border-radius: 9px;
  cursor: pointer;
  transition: background 140ms ease, color 140ms ease;
}

.segmented__button:hover { color: var(--ink); background: rgba(255, 255, 255, 0.04); }

.segmented__button.is-active {
  background: var(--accent);
  color: var(--accent-ink);
}

.field { display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.field--narrow { max-width: 92px; }
.field-row { display: flex; gap: 10px; align-items: flex-end; }
.field-row > .field { flex: 1; }

.field__label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.field__label em {
  font-style: normal;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: none;
  color: var(--ink-faint);
  opacity: 0.75;
}

.field--check {
  flex-direction: row;
  align-items: center;
  gap: 8px;
  padding-bottom: 9px;
  color: var(--ink-muted);
  font-size: 12px;
  white-space: nowrap;
}

input, select, textarea {
  font: inherit;
  color: var(--ink);
  background: var(--bg-sunken);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 9px 11px;
  width: 100%;
  min-width: 0;
  transition: border-color 140ms ease, box-shadow 140ms ease;
}

textarea { resize: vertical; font-size: 13px; line-height: 1.45; }

input:focus-visible, select:focus-visible, textarea:focus-visible, button:focus-visible {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(37, 208, 122, 0.22);
}

input[type="color"] { padding: 4px; height: 38px; cursor: pointer; }
input[type="color"]:disabled { opacity: 0.4; cursor: not-allowed; }

input[type="file"] {
  padding: 7px 9px;
  font-size: 12px;
  cursor: pointer;
  color: var(--ink-muted);
}

input[type="file"]::file-selector-button {
  font: inherit;
  font-weight: 600;
  margin-right: 10px;
  padding: 4px 10px;
  border-radius: 7px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.05);
  color: var(--ink);
  cursor: pointer;
}

input[type="file"]::file-selector-button:hover { background: rgba(255, 255, 255, 0.1); }
input[type="checkbox"] { width: auto; accent-color: var(--accent); }
select:disabled { opacity: 0.45; cursor: not-allowed; }

.button {
  appearance: none;
  font: inherit;
  font-weight: 700;
  letter-spacing: 0.04em;
  padding: 11px 14px;
  border-radius: 10px;
  cursor: pointer;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
  color: var(--ink);
  transition: transform 120ms ease, background 140ms ease, border-color 140ms ease;
}

.button:hover { background: rgba(255, 255, 255, 0.07); border-color: #2d3d5c; }
.button:active { transform: translateY(1px); }

.button--primary {
  background: var(--accent);
  border-color: transparent;
  color: var(--accent-ink);
}

.button--primary:hover { background: #34e089; }
.button:disabled { opacity: 0.45; cursor: not-allowed; transform: none; }

.button-row { display: flex; gap: 8px; }
.button-row .button { flex: 1; }

.chips { display: flex; flex-wrap: wrap; gap: 6px; }

.chip {
  appearance: none;
  font: inherit;
  font-size: 12px;
  font-weight: 600;
  padding: 7px 12px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--bg-sunken);
  color: var(--ink-muted);
  cursor: pointer;
  transition: background 140ms ease, color 140ms ease, border-color 140ms ease;
}

.chip:hover { color: var(--ink); border-color: #2d3d5c; }

.chip.is-unavailable {
  opacity: 0.42;
  border-style: dashed;
}

.chip.is-unavailable:hover { opacity: 0.7; }

.chip.is-active {
  background: rgba(37, 208, 122, 0.16);
  border-color: var(--accent);
  color: var(--accent);
}

.hint { margin: 2px 0 0; color: var(--ink-faint); font-size: 12px; }

/* ---------- stage ---------- */

.stage {
  position: sticky;
  top: 20px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.status {
  margin: 0;
  padding: 10px 14px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--bg-raised);
  color: var(--ink-muted);
  font-size: 13px;
}

.status[data-tone="error"] { color: var(--danger); border-color: rgba(255, 107, 125, 0.4); }
.status[data-tone="ok"] { color: var(--accent); border-color: rgba(37, 208, 122, 0.35); }

.previews {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  flex-wrap: wrap;
}

.preview { margin: 0; display: flex; flex-direction: column; gap: 8px; }

.preview canvas {
  width: min(clamp(320px, 34vw, 640px), 72vh);
  height: auto;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: #000;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
  display: block;
}

.preview--story canvas { width: min(clamp(200px, 21vw, 400px), 40vh); }

.preview figcaption {
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.colophon {
  padding: 0 clamp(16px, 3vw, 40px) 36px;
  color: var(--ink-faint);
  font-size: 12px;
  max-width: 78ch;
}

.colophon p { margin: 0; }

/* Phone sizing lives here, after the base rules it overrides - equal
   specificity means source order decides. Side by side at phone width left the
   feed preview at 172px, too small to judge a graphic by.

   The .stage override MUST stay below `.stage { position: sticky }` for the
   same reason. It was written above it, lost the tie, and left a preview
   taller than the viewport pinned over the whole control rail - every chip,
   select and button unclickable on any phone or portrait tablet. */
@media (max-width: 900px) {
  /* The preview must come first. Below the controls it sits a full screen
     down, so you would be adjusting a graphic you cannot see. */
  .stage {
    position: static;
    order: -1;
  }

  .previews {
    flex-direction: column;
    align-items: center;
  }

  .preview canvas { width: min(420px, 86vw); }
  .preview--story canvas { width: min(300px, 58vw); }
}