:root,
:root[data-theme="light"] {
  --bg: #f6f7f9;
  --panel: #ffffff;
  --editor-bg: #ffffff;
  --border: #e2e5ea;
  --text: #1f2328;
  --muted: #6b7280;
  --hover: #eef0f3;
  --accent: #2563eb;
  --accent-fg: #ffffff;
  --ok: #16a34a;
  --warn: #d97706;
  --err: #dc2626;
  color-scheme: light;
}

/* Sombre : calé sur le thème One Dark de l'éditeur. */
:root[data-theme="dark"] {
  --bg: #21252b;
  --panel: #21252b;
  --editor-bg: #282c34;
  --border: #3a3f4b;
  --text: #d7dae0;
  --muted: #8b93a3;
  --hover: #2c313a;
  --accent: #61afef;
  --accent-fg: #1b1f24;
  --ok: #98c379;
  --warn: #e5c07b;
  --err: #e06c75;
  color-scheme: dark;
}

* { box-sizing: border-box; }

html, body { height: 100%; margin: 0; }

body {
  background: var(--bg);
  color: var(--text);
  font: 14px/1.4 system-ui, -apple-system, "Segoe UI", sans-serif;
  display: flex;
  flex-direction: column;
}

svg {
  width: 16px;
  height: 16px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  flex: none;
}

/* ---------- barre ---------- */

.bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px 16px;
  flex-wrap: wrap;
  padding: 8px 16px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
}

.group { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; min-width: 0; }

.brand {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--text);
  font-weight: 700;
  text-decoration: none;
  margin-right: 4px;
}
.brand svg { color: var(--accent); width: 20px; height: 20px; }

.chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 32px;
  padding: 0 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg);
  color: var(--text);
  font: 600 15px ui-monospace, Consolas, monospace;
  letter-spacing: 1px;
  cursor: pointer;
}
.chip svg { color: var(--muted); }
.chip:hover { border-color: var(--accent); }
.chip:hover svg { color: var(--accent); }

.presence { display: inline-flex; align-items: center; gap: 6px; color: var(--muted); font-size: 12px; white-space: nowrap; }
.peers:not(:empty)::before { content: "·"; margin-right: 6px; }
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--muted); }
.dot.ok { background: var(--ok); }
.dot.warn { background: var(--warn); }
.dot.err { background: var(--err); }

/* ---------- contrôles ---------- */

.btn, .select, .join input {
  height: 32px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--panel);
  color: var(--text);
  font: inherit;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 0 12px;
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
  transition: background-color .12s, border-color .12s;
}
.btn:hover { background: var(--hover); }
.btn.icon { width: 32px; padding: 0; justify-content: center; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-fg); font-weight: 600; }
.btn.primary:hover { filter: brightness(1.08); }

.btn.busy { pointer-events: none; opacity: .6; }

.btn:focus-visible, .chip:focus-visible, .select:focus-visible, .join input:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

.select { padding: 0 8px; cursor: pointer; max-width: 160px; }

.join { display: flex; }
.join input {
  width: 6.5em;
  padding: 0 8px;
  border-radius: 8px 0 0 8px;
  border-right: 0;
  font-family: ui-monospace, Consolas, monospace;
  letter-spacing: 1px;
}
.join .btn { border-radius: 0 8px 8px 0; }

:root[data-theme="dark"] .sun,
:root[data-theme="light"] .moon { display: none; }

/* ---------- fichiers ---------- */

.files {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 8px 16px;
  list-style: none;
  overflow-x: auto;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
}
.files[hidden] { display: none; }

.file {
  display: inline-flex;
  align-items: center;
  flex: none;
  max-width: 280px;
  height: 30px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg);
}
.file a, .file button {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 100%;
  border: 0;
  background: none;
  color: var(--text);
  font: inherit;
  text-decoration: none;
  cursor: pointer;
}
.file a { min-width: 0; padding: 0 4px 0 10px; border-radius: 8px 0 0 8px; }
.file a:hover { color: var(--accent); }
.file .name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.file .size { color: var(--muted); font-size: 12px; white-space: nowrap; }
.file button { padding: 0 8px; color: var(--muted); border-radius: 0 8px 8px 0; }
.file button:hover { color: var(--err); }
.file button svg { width: 14px; height: 14px; }
.file a:focus-visible, .file button:focus-visible { outline: 2px solid var(--accent); outline-offset: -2px; }
.file.pending { opacity: .6; }

.drop {
  position: fixed;
  inset: 12px;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px dashed var(--accent);
  border-radius: 12px;
  background: color-mix(in srgb, var(--bg) 85%, transparent);
  color: var(--accent);
  font-size: 18px;
  font-weight: 600;
  pointer-events: none;
}
.drop[hidden] { display: none; }

/* ---------- éditeur ---------- */

main { flex: 1; min-height: 0; background: var(--editor-bg); }
main .cm-editor { height: 100%; }

footer {
  padding: 5px 16px;
  color: var(--muted);
  font-size: 12px;
  border-top: 1px solid var(--border);
  background: var(--panel);
}

@media (max-width: 720px) {
  .btn .label { display: none; }
  .btn:not(.icon) { width: 32px; padding: 0; justify-content: center; }
  footer { display: none; }
}