/* Copyright COOLJAPAN OU (Team Kitasan). Licensed under Apache-2.0. */

/*
 * OxiScope demo — a dark, restrained colorist-tool aesthetic. No web fonts, no
 * external assets: a system font stack, CSS grid, and hand-tuned dark tones.
 */

:root {
  --bg: #0c0d10;
  --bg-panel: #14161b;
  --bg-panel-2: #1b1e25;
  --bg-inset: #0a0b0e;
  --line: #262a33;
  --line-soft: #1e2229;
  --fg: #e7ebf2;
  --fg-dim: #9aa3b2;
  --fg-faint: #6b7385;
  --accent: #4fd1c5;
  --accent-2: #7c9cff;
  --warn: #ffcf5c;
  --error: #ff6b6b;
  --ok: #5ad19a;
  --radius: 8px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica,
    Arial, "Noto Sans", sans-serif, "Apple Color Emoji";
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas,
    "Liberation Mono", monospace;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font);
  font-size: 14px;
  line-height: 1.45;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 12px 16px 0;
}

.offscreen {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
  left: -9999px;
}

/* ---- Top bar -------------------------------------------------------------- */

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 4px 2px;
  border-bottom: 1px solid var(--line-soft);
}

.brand {
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-weight: 600;
  letter-spacing: 0.2px;
}

.brand-mark {
  color: var(--accent);
  font-size: 20px;
  font-weight: 700;
}

.brand-rest {
  font-size: 20px;
  font-weight: 300;
  margin-left: -8px;
}

.brand-sub {
  color: var(--fg-faint);
  font-size: 12px;
  font-weight: 400;
  margin-left: 6px;
}

.badges {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.badge {
  background: var(--bg-panel);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 4px 12px;
  font-size: 12px;
  color: var(--fg-dim);
  font-variant-numeric: tabular-nums;
}

.badge strong {
  color: var(--fg);
  font-weight: 600;
}

.badge-upload {
  border-color: color-mix(in srgb, var(--ok) 40%, var(--line));
}

.badge-upload strong {
  color: var(--ok);
}

/* ---- Stage: preview + scopes --------------------------------------------- */

.stage {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
  gap: 14px;
  align-items: stretch;
}

.preview-pane {
  position: relative;
  background: var(--bg-inset);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  min-height: 360px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.preview-canvas {
  display: block;
  width: 100%;
  height: 100%;
  max-height: 62vh;
  object-fit: contain;
  background:
    repeating-conic-gradient(#101216 0% 25%, #0a0b0e 0% 50%) 50% / 22px 22px;
}

body:not(.has-source) .preview-canvas {
  visibility: hidden;
}

.dropzone {
  position: absolute;
  inset: 12px;
  border: 2px dashed var(--line);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  transition: border-color 0.15s, background 0.15s;
  background: rgba(10, 11, 14, 0.4);
}

.dropzone.dragging {
  border-color: var(--accent);
  background: rgba(79, 209, 197, 0.08);
}

body.has-source .dropzone {
  display: none;
}

.dropzone-inner {
  max-width: 420px;
  padding: 24px;
}

.dropzone-inner h1 {
  margin: 0 0 8px;
  font-size: 22px;
  font-weight: 500;
}

.dropzone-inner p {
  margin: 0 0 18px;
  color: var(--fg-dim);
}

.dropzone-actions {
  display: flex;
  gap: 10px;
  justify-content: center;
  flex-wrap: wrap;
}

.fallback-note {
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 12px;
  background: color-mix(in srgb, var(--warn) 14%, var(--bg-panel));
  border: 1px solid color-mix(in srgb, var(--warn) 45%, var(--line));
  color: var(--warn);
  border-radius: var(--radius);
  padding: 8px 12px;
  font-size: 12px;
}

.scopes-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr 1fr;
  gap: 10px;
  min-height: 0;
}

.scope {
  margin: 0;
  background: var(--bg-inset);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 8px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}

.scope canvas {
  display: block;
  width: 100%;
  height: auto;
  max-height: 26vh;
  object-fit: contain;
  background: #000;
  border-radius: 4px;
}

.scope figcaption {
  color: var(--fg-faint);
  font-size: 11px;
  letter-spacing: 0.3px;
  text-transform: uppercase;
  font-family: var(--mono);
}

/* ---- Controls ------------------------------------------------------------- */

.controls {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  background: var(--bg-panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 12px 14px;
}

.control-group {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  padding-right: 12px;
  border-right: 1px solid var(--line-soft);
}

.control-group:last-child {
  border-right: none;
  padding-right: 0;
}

.group-label {
  color: var(--fg-faint);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  font-family: var(--mono);
}

.grade-group,
.tonemap-group {
  flex: 1 1 320px;
}

.ctl {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--fg-dim);
}

.ctl > span {
  min-width: 62px;
}

.ctl-inline > span {
  min-width: auto;
}

.ctl output {
  font-family: var(--mono);
  color: var(--fg);
  min-width: 60px;
  text-align: right;
  font-variant-numeric: tabular-nums;
}

.tonemap-group .hint {
  flex-basis: 100%;
  margin: 2px 0 0;
  color: var(--fg-faint);
  font-size: 11px;
}

input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 130px;
  height: 4px;
  border-radius: 2px;
  background: var(--line);
  outline: none;
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--accent);
  cursor: pointer;
  border: none;
}

input[type="range"]::-moz-range-thumb {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--accent);
  cursor: pointer;
  border: none;
}

.select {
  background: var(--bg-panel-2);
  color: var(--fg);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 5px 8px;
  font-size: 12px;
  font-family: var(--font);
  cursor: pointer;
}

.btn {
  background: var(--bg-panel-2);
  color: var(--fg);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 7px 14px;
  font-size: 13px;
  font-family: var(--font);
  cursor: pointer;
  transition: border-color 0.12s, background 0.12s;
}

.btn:hover {
  border-color: var(--fg-faint);
  background: #23262e;
}

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

.btn-primary {
  background: color-mix(in srgb, var(--accent) 22%, var(--bg-panel-2));
  border-color: color-mix(in srgb, var(--accent) 55%, var(--line));
  color: #dffbf7;
}

.btn-primary:hover {
  background: color-mix(in srgb, var(--accent) 32%, var(--bg-panel-2));
}

.btn-ghost {
  background: transparent;
  color: var(--fg-dim);
}

/* ---- Status + diagnostics + footer --------------------------------------- */

.statusbar {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  padding: 2px 4px;
  font-family: var(--mono);
  font-size: 12px;
}

.stats {
  color: var(--accent-2);
  font-variant-numeric: tabular-nums;
}

.status {
  color: var(--fg-dim);
}

.status-error {
  color: var(--error);
}

.diagnostics {
  padding: 0 4px;
}

.diagnostics summary {
  cursor: pointer;
  color: var(--fg-faint);
  font-size: 12px;
  font-family: var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.cap-list {
  list-style: none;
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  padding: 8px 0 0;
  margin: 0;
  font-family: var(--mono);
  font-size: 12px;
}

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

.cap-no {
  color: var(--fg-faint);
}

.error-panel {
  background: color-mix(in srgb, var(--error) 12%, var(--bg-panel));
  border: 1px solid color-mix(in srgb, var(--error) 50%, var(--line));
  border-radius: var(--radius);
  padding: 16px 18px;
  margin: 0 4px;
}

.error-panel h2 {
  margin: 0 0 6px;
  color: var(--error);
  font-size: 16px;
}

.error-panel p {
  margin: 0;
  color: var(--fg-dim);
  font-family: var(--mono);
  font-size: 12px;
  white-space: pre-wrap;
}

.footer {
  margin-top: auto;
  padding: 12px 4px 16px;
  border-top: 1px solid var(--line-soft);
  color: var(--fg-faint);
  font-size: 12px;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: center;
}

.footer-sep {
  color: var(--line);
}

.footer-link {
  color: var(--accent-2);
  text-decoration: none;
}

.footer-link:hover {
  text-decoration: underline;
}

/* ---- Responsive ----------------------------------------------------------- */

@media (max-width: 1024px) {
  .stage {
    grid-template-columns: 1fr;
  }

  .preview-canvas {
    max-height: 46vh;
  }

  .scope canvas {
    max-height: none;
  }

  .control-group {
    border-right: none;
    padding-right: 0;
  }
}

@media (max-width: 620px) {
  body {
    padding: 10px 10px 0;
  }

  .scopes-grid {
    grid-template-columns: 1fr;
    grid-template-rows: none;
  }

  .brand-sub {
    display: none;
  }
}