:root {
  --ink: #1B1B2F;
  --paper: #FAFAFA;
  --red: #D7263D;
  --gold: #E8A33D;
  --grey: #6B6B76;
  --border: #E4E4EA;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, "Calibri", Segoe UI, Roboto, sans-serif;
  background: var(--paper);
  color: var(--ink);
  -webkit-user-select: none;
  user-select: none; /* limite le copier-coller trivial, pas une vraie protection */
}

.screen {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  padding: 16px;
}
.hidden { display: none !important; }

.card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 20px;
  width: 100%;
  max-width: 480px;
  margin-top: 24px;
}

h1 {
  font-size: 22px;
  margin: 0 0 4px 0;
  color: var(--ink);
}
.subtitle {
  color: var(--grey);
  font-size: 14px;
  margin: 0 0 16px 0;
}

.rules {
  background: #F5F5F0;
  border-radius: 10px;
  padding: 12px 14px;
  font-size: 13px;
  margin-bottom: 18px;
}
.rules ul { margin: 6px 0 0 0; padding-left: 18px; }
.rules li { margin-bottom: 4px; }

label { font-size: 13px; font-weight: bold; display: block; margin-bottom: 6px; }
input[type="text"] {
  width: 100%;
  padding: 12px;
  font-size: 16px; /* évite le zoom auto iOS */
  border: 1px solid var(--border);
  border-radius: 8px;
  margin-bottom: 16px;
}

.btn-primary {
  width: 100%;
  padding: 14px;
  font-size: 16px;
  font-weight: bold;
  color: #fff;
  background: var(--red);
  border: none;
  border-radius: 10px;
  cursor: pointer;
}
.btn-primary:active { opacity: 0.85; }

.btn-secondary {
  flex: 1;
  padding: 12px;
  font-size: 15px;
  font-weight: bold;
  color: var(--ink);
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 10px;
  cursor: pointer;
}

.error { color: var(--red); font-size: 13px; margin-top: 8px; }

/* --- Écran quiz --- */
.topbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--ink);
  color: #fff;
  padding: 12px 16px;
  font-size: 14px;
  z-index: 10;
}
.timer { font-weight: bold; font-variant-numeric: tabular-nums; color: var(--gold); }
.progress { color: #C9C9D6; }

#screen-quiz .card { margin-top: 64px; }

.violation-banner {
  position: fixed;
  top: 48px; left: 0; right: 0;
  background: var(--red);
  color: #fff;
  padding: 10px 16px;
  font-size: 13px;
  text-align: center;
  z-index: 11;
}

.question-text {
  font-size: 16px;
  font-weight: bold;
  margin: 0 0 16px 0;
  line-height: 1.4;
}

.options { display: flex; flex-direction: column; gap: 10px; }

.option-btn {
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: #fff;
  text-align: left;
  font-size: 14px;
  cursor: pointer;
}
.option-btn.selected {
  border-color: var(--red);
  background: #FDEBEC;
  font-weight: bold;
}

.text-answer {
  width: 100%;
  padding: 12px;
  font-size: 16px;
  border: 1px solid var(--border);
  border-radius: 8px;
}

.nav-buttons {
  display: flex;
  gap: 10px;
  width: 100%;
  max-width: 480px;
  margin-top: 12px;
}

#btn-submit {
  max-width: 480px;
  margin-top: 16px;
}