:root {
  --bg: #0b0e14;
  --panel: #131822;
  --panel-border: #232a38;
  --text: #e7e9ee;
  --text-dim: #8b94a7;
  --dial-track: #1c2330;
  --dial-face: #0e1219;
  --accent: #4cc9f0;

  --red: #e5484d;
  --red-dim: #3a1f22;
  --green: #30a46c;
  --green-dim: #163226;
  --orange: #f5a524;
  --orange-dim: #3a2c14;
  --blue: #3b82f6;
  --blue-dim: #18233b;
  --neutral-dim: #232a38;

  --font-display: 'DM Mono', 'JetBrains Mono', 'SFMono-Regular', Consolas, monospace;
  --font-body: 'Inter', system-ui, -apple-system, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  height: 100%;
  overflow: hidden;
}

body[data-theme="light"] {
  --bg: #f2f4f7;
  --panel: #ffffff;
  --panel-border: #dde1e8;
  --text: #131822;
  --text-dim: #5b6474;
  --dial-track: #e3e7ee;
  --dial-face: #ffffff;
}

button {
  font-family: var(--font-body);
  cursor: pointer;
}

.tabular { font-variant-numeric: tabular-nums; font-feature-settings: "tnum"; }

/* ---- Badge tile (indicateur lumineux) ---- */
.badge-tile {
  border-radius: 10px;
  border: 1px solid var(--panel-border);
  background: var(--neutral-dim);
  color: var(--text-dim);
  padding: 10px 14px;
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  transition: background 0.25s, color 0.25s, box-shadow 0.25s, border-color 0.25s;
  display: flex;
  align-items: center;
  gap: 8px;
  line-height: 1.25;
}
.badge-tile .dot {
  width: 9px; height: 9px; border-radius: 50%;
  background: var(--text-dim); opacity: 0.5; flex: 0 0 auto;
}
.badge-tile.active.red { background: var(--red-dim); color: #ffb4b7; border-color: var(--red); box-shadow: 0 0 18px -6px var(--red); }
.badge-tile.active.red .dot { background: var(--red); opacity: 1; box-shadow: 0 0 8px var(--red); }
.badge-tile.active.green { background: var(--green-dim); color: #9fe8c4; border-color: var(--green); box-shadow: 0 0 18px -6px var(--green); }
.badge-tile.active.green .dot { background: var(--green); opacity: 1; box-shadow: 0 0 8px var(--green); }
.badge-tile.active.orange { background: var(--orange-dim); color: #ffd48a; border-color: var(--orange); box-shadow: 0 0 18px -6px var(--orange); }
.badge-tile.active.orange .dot { background: var(--orange); opacity: 1; box-shadow: 0 0 8px var(--orange); }
.badge-tile.active.blue { background: var(--blue-dim); color: #a9c7ff; border-color: var(--blue); box-shadow: 0 0 18px -6px var(--blue); }
.badge-tile.active.blue .dot { background: var(--blue); opacity: 1; box-shadow: 0 0 8px var(--blue); }

:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}

/* ---- App shell générique ---- */
.app-shell { max-width: 1080px; margin: 0 auto; padding: 20px; }
.app-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 18px; flex-wrap: wrap; gap: 10px; }
.app-header h1 { font-size: 1.3rem; margin: 0; }
.tabs { display: flex; gap: 6px; border-bottom: 1px solid var(--panel-border); margin-bottom: 18px; flex-wrap: wrap; }
.tab-btn {
  background: transparent; border: none; color: var(--text-dim); padding: 10px 14px; font-size: 0.9rem;
  font-weight: 600; border-bottom: 2px solid transparent; margin-bottom: -1px;
}
.tab-btn.active { color: var(--text); border-bottom-color: var(--accent); }
.tab-panel { display: none; }
.tab-panel.active { display: block; }

.panel {
  background: var(--panel); border: 1px solid var(--panel-border); border-radius: 14px;
  padding: 18px 20px; margin-bottom: 16px;
}
.panel h2 { font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-dim); margin: 0 0 14px; }
.panel h3 { font-size: 1rem; margin: 0 0 10px; }

.field { display: flex; flex-direction: column; gap: 5px; }
.field label { font-size: 0.8rem; color: var(--text-dim); }
.field input, .field select, .field textarea {
  background: var(--dial-face); border: 1px solid var(--panel-border); color: var(--text);
  border-radius: 8px; padding: 9px 10px; font-size: 0.95rem; font-family: var(--font-body);
}
.row { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 12px; }
.row > .field { flex: 1 1 180px; }

.btn {
  border: 1px solid var(--panel-border); background: var(--neutral-dim); color: var(--text);
  border-radius: 9px; padding: 9px 15px; font-size: 0.88rem; font-weight: 600;
}
.btn:hover { border-color: var(--accent); }
.btn.primary { background: var(--accent); color: #06222c; border-color: var(--accent); }
.btn.danger { background: var(--red-dim); color: #ffb4b7; border-color: var(--red); }
.btn.small { padding: 5px 10px; font-size: 0.78rem; }
.btn:disabled { opacity: 0.45; cursor: not-allowed; }

table.data-table { width: 100%; border-collapse: collapse; font-size: 0.88rem; }
table.data-table th { text-align: left; color: var(--text-dim); font-weight: 600; padding: 8px 10px; border-bottom: 1px solid var(--panel-border); font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.04em; }
table.data-table td { padding: 8px 10px; border-bottom: 1px solid var(--panel-border); vertical-align: middle; }
table.data-table tr:last-child td { border-bottom: none; }

.pill { display: inline-flex; align-items: center; gap: 4px; padding: 3px 9px; border-radius: 999px; font-size: 0.75rem; font-weight: 700; }
.pill.green { background: var(--green-dim); color: #9fe8c4; }
.pill.red { background: var(--red-dim); color: #ffb4b7; }
.pill.orange { background: var(--orange-dim); color: #ffd48a; }
.pill.blue { background: var(--blue-dim); color: #a9c7ff; }
.pill.neutral { background: var(--neutral-dim); color: var(--text-dim); }

.progress-bar { width: 100px; height: 8px; border-radius: 5px; background: var(--dial-track); overflow: hidden; display: inline-block; vertical-align: middle; }
.progress-bar > span { display: block; height: 100%; background: var(--accent); }

/* ---- Login ---- */
.login-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; }
.login-card { width: 340px; }
.login-card h1 { font-size: 1.2rem; margin-bottom: 4px; }
.login-card p.hint { color: var(--text-dim); font-size: 0.85rem; margin: 0 0 18px; }
.error-msg { color: #ffb4b7; font-size: 0.85rem; margin-top: 8px; min-height: 1.2em; }

/* ---- Badges éditeur (enseignant) ---- */
.badge-category-block { margin-bottom: 18px; }
.badge-category-block h3 { font-size: 0.85rem; color: var(--text-dim); text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 8px; }
.badge-row {
  display: flex; align-items: center; gap: 10px; border: 1px solid var(--panel-border); border-radius: 10px;
  padding: 8px 12px; margin-bottom: 6px; background: var(--neutral-dim);
}
.badge-row .icon { font-size: 1.3rem; width: 28px; text-align: center; flex: 0 0 auto; }
.badge-row .label { flex: 1 1 auto; font-weight: 600; font-size: 0.9rem; }
.badge-row .controls-inline { display: flex; gap: 6px; align-items: center; }
.badge-row .opt-btn {
  border: 1px solid var(--panel-border); background: var(--dial-face); color: var(--text-dim);
  border-radius: 7px; padding: 5px 9px; font-size: 0.75rem; font-weight: 600;
}
.badge-row .opt-btn.sel.red { background: var(--red-dim); color: #ffb4b7; border-color: var(--red); }
.badge-row .opt-btn.sel.green { background: var(--green-dim); color: #9fe8c4; border-color: var(--green); }
.badge-row .opt-btn.sel.orange { background: var(--orange-dim); color: #ffd48a; border-color: var(--orange); }
.badge-row .opt-btn.sel.blue { background: var(--blue-dim); color: #a9c7ff; border-color: var(--blue); }
.badge-row .icon-btn { background: transparent; border: none; color: var(--text-dim); font-size: 1rem; padding: 4px 6px; }
.badge-row .icon-btn:hover { color: var(--text); }

/* ---- Vue étudiant ---- */
.student-wrap { max-width: 560px; margin: 0 auto; padding: 20px; }
.task-item {
  display: flex; align-items: center; gap: 12px; padding: 12px 14px; border: 1px solid var(--panel-border);
  border-radius: 12px; margin-bottom: 8px; background: var(--panel);
}
.task-item.done { opacity: 0.6; }
.task-item .check {
  width: 26px; height: 26px; border-radius: 50%; border: 2px solid var(--panel-border); flex: 0 0 auto;
  display: flex; align-items: center; justify-content: center; font-size: 0.9rem;
}
.task-item.done .check { background: var(--green); border-color: var(--green); color: #06231a; }
.action-row { display: flex; gap: 10px; margin-top: 16px; flex-wrap: wrap; }
.action-toggle { flex: 1 1 140px; }
.action-toggle.active.blocked { background: var(--red-dim); border-color: var(--red); color: #ffb4b7; }
.action-toggle.active.hand { background: var(--orange-dim); border-color: var(--orange); color: #ffd48a; }
.action-toggle.active.finished { background: var(--green-dim); border-color: var(--green); color: #9fe8c4; }

.qr-box { text-align: center; }
.qr-box img { border-radius: 12px; background: #fff; padding: 8px; }
.code-display { font-family: var(--font-display); font-size: 1.6rem; letter-spacing: 0.12em; text-align: center; margin: 8px 0; }