/* ── Tokens (matching porte-ouverte) ── */
:root {
  --background: oklch(10.07% 0.012 248.5);
  --foreground: oklch(96.32% 0.006 248.1);
  --surface: oklch(14.5% 0.01 230);
  --surface-secondary: oklch(20% 0.008 230);
  --accent: oklch(88.5% 0.165 93);
  --accent-foreground: oklch(10% 0.03 93);
  --danger: oklch(64.12% 0.238 26.23);
  --success: oklch(60.28% 0.163 144.56);
  --muted: oklch(48.14% 0.007 248.7);
  --border: oklch(28% 0.008 230);
}

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

body {
  margin: 0;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  background: var(--background);
  color: var(--foreground);
  font-family: 'Noto Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

.pu-backdrop {
  position: fixed;
  inset: 0;
  background-image: radial-gradient(rgba(255,255,255,0.08) 1px, transparent 1px);
  background-size: 20px 20px;
  mask-image: radial-gradient(ellipse 50% 45% at 50% 50%, transparent 20%, black 70%);
  -webkit-mask-image: radial-gradient(ellipse 50% 45% at 50% 50%, transparent 20%, black 70%);
  pointer-events: none;
  z-index: 0;
}

.pu-page {
  position: relative;
  z-index: 1;
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 48px 16px 64px;
}

.pu-page-center { justify-content: center; }

.pu-header-row {
  width: 100%;
  max-width: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  margin-bottom: 32px;
}

.pu-wordmark { font-size: 22px; font-weight: 700; color: var(--accent); letter-spacing: -0.5px; }
.pu-wordmark-sub { font-size: 13px; color: var(--muted); text-align: center; margin-top: 2px; }

.pu-lang-toggle {
  position: absolute; right: 0; top: 50%; transform: translateY(-50%);
  display: flex; gap: 4px;
}

.pu-lang-btn {
  background: transparent; border: 1px solid var(--border); border-radius: 4px;
  color: var(--muted); font-size: 11px; font-weight: 600; font-family: inherit;
  padding: 3px 8px; cursor: pointer; transition: all 0.15s;
}

.pu-lang-btn:hover { color: var(--foreground); border-color: var(--foreground); }
.pu-lang-active { background: rgba(248,214,47,0.12); border-color: var(--accent); color: var(--accent); }

.pu-card { width: 100%; max-width: 600px; }

.pu-loading { display: flex; align-items: center; justify-content: center; min-height: 200px; }

.pu-alert-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 12px; padding: 32px;
}

.pu-alert-content {
  font-size: 13px; line-height: 1.8; color: var(--muted); white-space: pre-line;
}

/* Section title (above questions) */
.pu-section-title {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  margin: 24px 0 12px;
}

/* Fields */
.pu-field { margin-bottom: 16px; }

.pu-optional {
  font-weight: 400; font-size: 12px; color: var(--muted); font-style: italic;
}

.pu-label {
  display: block; font-size: 14px; font-weight: 500;
  color: var(--foreground); margin-bottom: 6px;
}

.pu-label-req::after { content: ' *'; color: var(--danger); }

.pu-input, .pu-textarea {
  width: 100%; background: var(--surface); border: 1px solid var(--border);
  border-radius: 8px; color: var(--foreground); font-size: 14px;
  font-family: inherit; padding: 10px 12px; outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
}

.pu-input:focus, .pu-textarea:focus {
  border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent);
}

.pu-input::placeholder, .pu-textarea::placeholder { color: var(--muted); }

.pu-textarea { min-height: 120px; resize: vertical; }

.pu-error { border-color: var(--danger) !important; box-shadow: 0 0 0 1px var(--danger) !important; }

.pu-error-msg { font-size: 12px; color: var(--danger); margin-top: 6px; display: none; }
.pu-general-error { text-align: center; margin-top: 12px; }

/* Identity Toggle */
.pu-toggle {
  display: flex; gap: 0; border: 1px solid var(--border);
  border-radius: 8px; overflow: hidden;
}

.pu-toggle-btn {
  flex: 1; background: transparent; border: none; color: var(--muted);
  font-size: 13px; font-weight: 500; font-family: inherit;
  padding: 10px 12px; cursor: pointer; transition: all 0.15s;
}

.pu-toggle-btn:first-child { border-right: 1px solid var(--border); }
.pu-toggle-btn:hover { color: var(--foreground); }
.pu-toggle-active { background: rgba(248,214,47,0.1); color: var(--accent); }

.pu-identity-fields {
  max-height: 0; overflow: hidden; opacity: 0;
  transition: max-height 0.3s ease, opacity 0.3s ease, margin 0.3s ease;
  margin-top: 0;
}

.pu-identity-on { max-height: 320px; opacity: 1; margin-top: 16px; }

/* Question card */
.pu-question {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px;
  margin-bottom: 12px;
}

.pu-question.pu-error { border-color: var(--danger); }

.pu-question-text {
  font-size: 14px;
  font-weight: 500;
  color: var(--foreground);
  margin: 0 0 12px;
  line-height: 1.45;
}

.pu-rating-row {
  display: flex;
  gap: 6px;
  margin-bottom: 10px;
}

.pu-rating-btn {
  flex: 1;
  min-width: 40px;
  padding: 10px 0;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: all 0.12s;
}

.pu-rating-btn:hover { color: var(--foreground); border-color: var(--foreground); }
.pu-rating-btn.pu-rating-active {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-foreground);
}

.pu-rating-legend {
  display: flex;
  justify-content: space-between;
  font-size: 11px;
  color: var(--muted);
  margin-top: 4px;
  padding: 0 2px;
}

.pu-question-comment {
  width: 100%;
  background: var(--background);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--foreground);
  font-size: 13px;
  font-family: inherit;
  padding: 8px 10px;
  outline: none;
  margin-top: 10px;
  resize: vertical;
  min-height: 56px;
  transition: border-color 0.15s;
}

.pu-question-comment::placeholder { color: var(--muted); }
.pu-question-comment:focus { border-color: var(--accent); }

/* Submit button */
.pu-btn {
  width: 100%;
  padding: 12px;
  background: var(--accent);
  color: var(--accent-foreground);
  font-size: 14px;
  font-weight: 600;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  font-family: inherit;
  transition: opacity 0.15s;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 16px;
}

.pu-btn:hover { opacity: 0.9; }
.pu-btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* Spinner */
.pu-spinner {
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid rgba(0,0,0,0.2);
  border-top-color: var(--accent-foreground);
  border-radius: 50%;
  animation: pu-spin 0.6s linear infinite;
}

.pu-spinner-lg {
  width: 36px;
  height: 36px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
}

@keyframes pu-spin { to { transform: rotate(360deg); } }

/* Confirmation / status pages */
.pu-confirm { text-align: center; padding: 40px 20px; }

.pu-confirm-icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: rgba(34,197,94,0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
}

.pu-confirm-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--foreground);
  margin: 0 0 12px 0;
}

.pu-confirm-msg {
  font-size: 13px;
  color: var(--muted);
  margin: 0 auto;
  max-width: 380px;
  line-height: 1.6;
}

/* Responsive */
@media (max-width: 480px) {
  .pu-page { padding: 24px 16px; }
  .pu-header-row { margin-bottom: 24px; }
  .pu-toggle-btn { font-size: 12px; padding: 9px 8px; }
  .pu-rating-btn { padding: 12px 0; min-width: 36px; }
  .pu-question { padding: 14px; }
}