/* --------- Variables & base --------- */

:root {
  --bg: #f7f8fb;
  --card-bg: #ffffff;
  --text-main: #222222;
  --text-muted: #777777;

  --accent-left: #3c9b6a;
  --accent-right: #7a4baf;
  --accent-neutral: #a0a5b5;

  --radius-card: 18px;
  --shadow-soft: 0 16px 40px rgba(15, 23, 42, 0.08);
  --transition-fast: 0.2s ease;
  --border-subtle: 1px solid rgba(148, 163, 184, 0.3);
  --font-main: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  font-family: var(--font-main);
  background: radial-gradient(circle at top left, #eef5ff, #f7f8fb);
  color: var(--text-main);
}

/* --------- Layout --------- */

.page {
  max-width: 960px;
  margin: 40px auto;
  padding: 0 16px 32px;
}

.page-header {
  text-align: center;
  margin-bottom: 32px;
}

.page-header h1 {
  font-weight: 650;
  font-size: 2.1rem;
  margin-bottom: 8px;
}

.page-header p {
  margin: 0;
  color: var(--text-muted);
}

/* --------- Question blocks --------- */

.question-block {
  background: var(--card-bg);
  border-radius: var(--radius-card);
  padding: 20px 22px;
  margin-bottom: 18px;
  box-shadow: var(--shadow-soft);
}

.question-title {
  margin: 0 0 12px;
  font-size: 1.05rem;
}

/* --------- Base Likert styles --------- */

.likert {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.likert-label {
  font-size: 0.82rem;
  color: var(--text-muted);
}

.likert-label.left {
  align-self: flex-start;
}

.likert-label.right {
  align-self: flex-end;
}

.likert-options {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* Masquer les radios natifs */
.likert input[type="radio"] {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

/* --------- AXE 1 - Cercles colorés --------- */

/* Mise en ligne : labels aux extrémités alignés au centre vertical des cercles */
.likert-circles {
  flex-direction: row;
  align-items: center;          /* alignement vertical commun */
  justify-content: space-between;
  gap: 16px;
}

.likert-circles .likert-label.extremity {
  font-size: 0.82rem;
  color: var(--text-muted);
  max-width: 130px;
}

.likert-circles .likert-label.left {
  text-align: left;
}

.likert-circles .likert-label.right {
  text-align: right;
}

.likert-circles .likert-options {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 24px;
}

/* Style général des cercles */
.likert-circles .circle {
  border-radius: 50%;
  border: 3px solid var(--accent-neutral);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition:
    border-color var(--transition-fast),
    transform var(--transition-fast),
    box-shadow var(--transition-fast),
    background-color var(--transition-fast);
  background-color: transparent;
}

/* Taille par défaut (cercles "moyens" : positions 2 et 4) */
.likert-circles .likert-option .circle {
  width: 40px;
  height: 40px;
}

/* Cercles aux extrémités : plus gros et de même taille */
.likert-circles .likert-option:nth-child(1) .circle,
.likert-circles .likert-option:nth-child(5) .circle {
  width: 52px;
  height: 52px;
}

/* Cercle central : plus petit */
.likert-circles .likert-option:nth-child(3) .circle {
  width: 30px;
  height: 30px;
}

/* Couleurs des contours (tu peux garder ou supprimer ces nuances) */
.likert-circles .likert-option:nth-child(1) .circle {
  border-color: var(--accent-left);
}
.likert-circles .likert-option:nth-child(2) .circle {
  border-color: #55b083;
}
.likert-circles .likert-option:nth-child(3) .circle {
  border-color: #6dc49b;
}
.likert-circles .likert-option:nth-child(4) .circle {
  border-color: #9d83ca;
}
.likert-circles .likert-option:nth-child(5) .circle {
  border-color: var(--accent-right);
}

/* Hover */
.likert-circles label:hover .circle {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(148, 163, 184, 0.35);
}

/* Clic : intérieur rempli en violet */
.likert-circles input[type="radio"]:checked + .circle {
  background-color: var(--accent-right);          /* violet plein */
  border-color: var(--accent-right);
  box-shadow: 0 0 0 4px rgba(122, 75, 175, 0.35);
}


/* --------- AXE 2 - Barre segmentée --------- */

.likert-pill .likert-options {
  border-radius: 999px;
  border: var(--border-subtle);
  overflow: hidden;
}

.likert-pill .segment {
  flex: 1;
  position: relative;
  text-align: center;
}

.likert-pill .segment span {
  display: block;
  padding: 10px 0;
  font-size: 0.85rem;
  cursor: pointer;
  transition: background-color var(--transition-fast), color var(--transition-fast);
  user-select: none;
}

.likert-pill .segment + .segment span {
  border-left: 1px solid rgba(148, 163, 184, 0.35);
}

.likert-pill .segment span {
  background: #f9fafb;
  color: var(--text-muted);
}

.likert-pill .segment:hover span {
  background: #e5edff;
  color: #4338ca;
}

.likert-pill input[type="radio"]:checked + span {
  background: linear-gradient(90deg, var(--accent-left), var(--accent-right));
  color: white;
  font-weight: 500;
}

/* --------- AXE 3 - Slider discret --------- */

.likert-slider .slider-track {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: 8px 0 4px;
  padding: 0 6px;
}

.likert-slider .slider-track::before {
  content: "";
  position: absolute;
  left: 6px;
  right: 6px;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-left), var(--accent-right));
  opacity: 0.6;
}

.slider-point {
  position: relative;
  z-index: 1;
}

.slider-point span {
  width: 18px;
  height: 18px;
  border-radius: 999px;
  border: 2px solid #cbd5e1;
  background: #ffffff;
  display: block;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast),
    border-color var(--transition-fast), background-color var(--transition-fast);
  cursor: pointer;
}

.slider-point:hover span {
  transform: scale(1.05);
  box-shadow: 0 0 0 4px rgba(148, 163, 184, 0.35);
}

.likert-slider input[type="radio"]:checked + span {
  border-color: transparent;
  background: radial-gradient(circle at 30% 30%, #ffffff, #6366f1);
  box-shadow: 0 0 0 5px rgba(129, 140, 248, 0.4);
}

.likert-scale-labels {
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--text-muted);
  padding: 0 4px;
}

/* --------- AXE 4 - Boutons étiquettes --------- */

.likert-tags .tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.likert-tags .tag {
  position: relative;
}

.likert-tags .tag span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 6px 12px;
  border-radius: 999px;
  border: var(--border-subtle);
  font-size: 0.82rem;
  color: var(--text-muted);
  cursor: pointer;
  background: #f9fafb;
  transition: background-color var(--transition-fast), color var(--transition-fast),
    box-shadow var(--transition-fast), transform var(--transition-fast), border-color var(--transition-fast);
}

.likert-tags .tag:hover span {
  background: #e0f2fe;
  color: #1e3a8a;
  transform: translateY(-1px);
  box-shadow: 0 8px 20px rgba(148, 163, 184, 0.3);
}

.likert-tags input[type="radio"]:checked + span {
  background: linear-gradient(135deg, var(--accent-left), var(--accent-right));
  color: #ffffff;
  border-color: transparent;
  box-shadow: 0 10px 25px rgba(79, 70, 229, 0.45);
}

/* --------- AXE 5 - Points remplis --------- */

.likert-dots .dots-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: relative;
  margin: 6px 0 8px;
}

.likert-dots .dots-row::before {
  content: "";
  position: absolute;
  left: 10%;
  right: 10%;
  height: 1px;
  background: #e2e8f0;
  z-index: 0;
}

.dot-item {
  position: relative;
  z-index: 1;
}

.dot {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 2px solid #cbd5e1;
  background: #ffffff;
  display: block;
  transition: transform var(--transition-fast), background-color var(--transition-fast),
    border-color var(--transition-fast), box-shadow var(--transition-fast);
  cursor: pointer;
}

.dot-item:hover .dot {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(148, 163, 184, 0.45);
}

.likert-dots input[type="radio"]:checked + .dot {
  background: var(--accent-right);
  border-color: var(--accent-right);
  box-shadow: 0 0 0 4px rgba(148, 163, 184, 0.4);
}

.dots-labels {
  display: flex;
  justify-content: space-between;
  font-size: 0.74rem;
  color: var(--text-muted);
  gap: 4px;
}

/* --------- Actions --------- */

.actions {
  text-align: center;
  margin-top: 26px;
}

.btn-primary {
  border: none;
  padding: 10px 20px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent-left), var(--accent-right));
  color: #ffffff;
  font-size: 0.95rem;
  cursor: pointer;
  box-shadow: 0 14px 30px rgba(79, 70, 229, 0.4);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast),
    filter var(--transition-fast);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 18px 40px rgba(79, 70, 229, 0.45);
  filter: brightness(1.03);
}

.btn-primary:active {
  transform: translateY(0);
  box-shadow: 0 10px 20px rgba(79, 70, 229, 0.35);
}

/* --------- Responsive --------- */

@media (max-width: 640px) {
  .question-block {
    padding: 16px;
  }

  .likert-circles .circle {
    width: 36px;
    height: 36px;
    border-width: 2px;
  }

  .likert-pill .segment span {
    padding: 8px 0;
    font-size: 0.78rem;
  }

  .dots-labels span {
    text-align: center;
  }
}