/* ── Light mode defaults ── */
:root {
  --bg: #f9f9f9;
  --surface: #ffffff;
  --text: #1a1a1a;
  --muted: #666666;
  --border: #d4d4d4;
  --accent: #0055cc;
  --accent-hover: #0044aa;
  --accent-text: #ffffff;
}

/* ── Dark mode via OS preference ── */
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111111;
    --surface: #1e1e1e;
    --text: #e8e8e8;
    --muted: #999999;
    --border: #333333;
    --accent: #4d9fff;
    --accent-hover: #6ab2ff;
    --accent-text: #000000;
  }
}

/* ── Manual overrides ── */
html.light {
  --bg: #f9f9f9;
  --surface: #ffffff;
  --text: #1a1a1a;
  --muted: #666666;
  --border: #d4d4d4;
  --accent: #0055cc;
  --accent-hover: #0044aa;
  --accent-text: #ffffff;
}

html.dark {
  --bg: #111111;
  --surface: #1e1e1e;
  --text: #e8e8e8;
  --muted: #999999;
  --border: #333333;
  --accent: #4d9fff;
  --accent-hover: #6ab2ff;
  --accent-text: #000000;
}

/* ── Reset & base ── */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
}

body {
  background-color: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, sans-serif;
  line-height: 1.6;
  min-height: 100vh;
  transition: background-color 0.2s, color 0.2s;
}

/* ── Footer ── */
footer {
  text-align: center;
  padding: 1.5rem;
  border-top: 1px solid var(--border);
  font-size: 0.85rem;
  color: var(--muted);
}

footer a {
  color: var(--accent);
  text-decoration: none;
}

footer a:hover {
  text-decoration: underline;
}

/* ── Header ── */
header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1.5rem;
  background-color: var(--surface);
  border-bottom: 1px solid var(--border);
}

.site-title {
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

#theme-toggle {
  padding: 0.35rem 0.85rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  background-color: var(--bg);
  color: var(--text);
  font-size: 0.875rem;
  cursor: pointer;
  transition: background-color 0.15s, border-color 0.15s;
}

#theme-toggle:hover {
  background-color: var(--surface);
  border-color: var(--muted);
}

/* ── Main layout ── */
main {
  max-width: 860px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

/* ── URL form ── */
.url-form {
  display: flex;
  gap: 0.5rem;
}

#video-url {
  flex: 1;
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  background-color: var(--surface);
  color: var(--text);
  font-size: 0.9rem;
  outline: none;
  transition: border-color 0.15s;
}

#video-url::placeholder {
  color: var(--muted);
}

#video-url:focus {
  border-color: var(--accent);
}

#load-btn {
  padding: 0.5rem 1.1rem;
  border: none;
  border-radius: 6px;
  background-color: var(--accent);
  color: var(--accent-text);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.15s;
  white-space: nowrap;
}

#load-btn:hover {
  background-color: var(--accent-hover);
}

#copy-btn {
  padding: 0.5rem 1.1rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  background-color: var(--surface);
  color: var(--text);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.15s, opacity 0.15s;
  white-space: nowrap;
}

#copy-btn:hover:not(:disabled) {
  background-color: var(--bg);
}

#copy-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* ── Player ── */
.player-wrapper {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  border-radius: 8px;
  overflow: hidden;
  background-color: #000;
  max-height: 80vh;
}

/* 16:9 ratio applied only once a video is active */
.player-wrapper.playing {
  padding-bottom: 56.25%;
  height: 0;
}

.player-wrapper iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

#placeholder {
  max-width: 100%;
  max-height: 80vh;
  width: auto;
  height: auto;
  object-fit: contain;
}

/* ── Lorem ipsum block ── */
.lorem-block {
  background-color: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.75;
}

.lorem-lang-bar {
  display: flex;
  justify-content: flex-end;
}

#lang-toggle {
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  border-radius: 4px;
  line-height: 0;
  transition: opacity 0.15s;
}

#lang-toggle img {
  width: 32px;
  height: 32px;
  display: block;
}

#lang-toggle:hover {
  opacity: 0.75;
}

#text-en:not([hidden]),
#text-fr:not([hidden]) {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}