/*
 * SPDX-FileCopyrightText: 2026 Joe Heffer
 * SPDX-License-Identifier: MIT
 *
 * Styles for the browser demo. Colours follow the documentation site's
 * deep orange and amber, with a dark scheme from prefers-color-scheme.
 */

:root {
  --bg: #fafafa;
  --panel: #ffffff;
  --text: #1f1f1f;
  --muted: #5f5f5f;
  --border: #dddddd;
  --accent: #e64a19;
  --accent-text: #ffffff;
  --focus: #ffab00;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1e2129;
    --panel: #272b35;
    --text: #e6e6e6;
    --muted: #a8adb8;
    --border: #3b4150;
    --accent: #ff7043;
    --accent-text: #1e2129;
    color-scheme: dark;
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 0 16px 32px;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

header,
main,
footer {
  max-width: 960px;
  margin: 0 auto;
}

h1 {
  margin: 24px 0 8px;
  font-size: 1.6rem;
}

h1 span {
  color: var(--accent);
  font-weight: 400;
}

h2 {
  margin: 0 0 12px;
  font-size: 1.1rem;
}

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

main {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
  margin-top: 16px;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px;
  min-width: 0;
}

.row {
  display: grid;
  grid-template-columns: 5.5em 1fr;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
}

.row[hidden] {
  display: none;
}

select,
input[type="file"] {
  width: 100%;
  min-width: 0;
  font: inherit;
  color: inherit;
}

select {
  padding: 4px 6px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 4px;
}

.hint {
  color: var(--muted);
  font-size: 0.9rem;
  margin: 0 0 12px;
}

.buttons {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  margin-top: 12px;
}

button {
  font: inherit;
  padding: 6px 18px;
  border-radius: 4px;
  border: 1px solid var(--accent);
  background: var(--accent);
  color: var(--accent-text);
  cursor: pointer;
}

button.secondary {
  background: transparent;
  color: var(--accent);
  margin-top: 8px;
}

button:disabled {
  opacity: 0.5;
  cursor: default;
}

button:focus-visible,
input:focus-visible,
select:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
}

.toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.status {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}

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

.control {
  margin-bottom: 12px;
}

.control label {
  display: flex;
  justify-content: space-between;
  gap: 8px;
}

.control output {
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}

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

.control.checkbox label {
  justify-content: flex-start;
}

.readouts {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 2px 12px;
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.readouts dd {
  margin: 0;
  font-variant-numeric: tabular-nums;
}

.meter-label {
  display: flex;
  justify-content: space-between;
}

meter {
  width: 100%;
  height: 16px;
}

footer {
  margin-top: 24px;
  color: var(--muted);
  font-size: 0.9rem;
}