/* ============================================================
   Rokudan — Widget de réservation de rendez-vous
   Bouton flottant bas-droite + modal multi-étapes
   ============================================================ */

/* —— Bouton flottant —— */
.rkb-fab {
  position: fixed;
  right: 24px;
  bottom: 24px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 22px;
  background: var(--violet, #7747FF);
  color: #fff;
  border: 0;
  border-radius: 999px;
  font: inherit;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: -0.01em;
  cursor: pointer;
  box-shadow: 0 10px 30px rgba(119, 71, 255, 0.4), 0 4px 12px rgba(0,0,0,0.12);
  z-index: 90;
  transition: transform .2s ease, box-shadow .2s ease;
}
.rkb-fab:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 36px rgba(119, 71, 255, 0.5), 0 6px 16px rgba(0,0,0,0.18);
}
.rkb-fab svg { flex-shrink: 0; }
.rkb-fab-label { white-space: nowrap; }
@media (max-width: 540px) {
  .rkb-fab { right: 16px; bottom: 16px; padding: 12px 16px; }
  .rkb-fab-label { display: none; }
  .rkb-fab.is-expanded .rkb-fab-label { display: inline; }
}

/* —— Overlay & modal —— */
.rkb-overlay {
  position: fixed;
  inset: 0;
  background: rgba(10, 10, 10, 0.6);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  z-index: 100;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
  animation: rkbFade .2s ease both;
}
.rkb-overlay.is-open { display: flex; }
@keyframes rkbFade { from { opacity: 0; } to { opacity: 1; } }

.rkb-modal {
  background: #fff;
  width: 100%;
  max-width: 560px;
  max-height: 92vh;
  border-radius: 24px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: 0 30px 80px rgba(0,0,0,0.3);
  animation: rkbSlide .3s cubic-bezier(.2,.85,.25,1) both;
}
@keyframes rkbSlide { from { transform: translateY(20px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }

.rkb-head {
  padding: 24px 28px 18px;
  border-bottom: 1px solid var(--line, rgba(10,10,10,0.07));
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  flex-shrink: 0;
}
.rkb-head-content { flex: 1; min-width: 0; }
.rkb-eyebrow {
  font-family: var(--font-mono, monospace);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--mute, #6B7280);
  margin: 0 0 6px;
}
.rkb-title {
  font-family: var(--font-display, var(--font-sans, sans-serif));
  font-size: 22px;
  letter-spacing: -0.025em;
  line-height: 1.2;
  color: var(--ink, #0A0A0A);
  margin: 0;
}
.rkb-title em { color: var(--violet, #7747FF); font-style: italic; font-weight: 400; }
.rkb-close {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: var(--surface-2, #FBFAF5);
  border: 0;
  color: var(--ink, #0A0A0A);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background .15s;
  flex-shrink: 0;
}
.rkb-close:hover { background: var(--line, rgba(10,10,10,0.08)); }

.rkb-steps {
  display: flex;
  gap: 6px;
  padding: 0 28px 16px;
  flex-shrink: 0;
}
.rkb-step-dot {
  flex: 1;
  height: 3px;
  border-radius: 999px;
  background: var(--line, rgba(10,10,10,0.08));
  transition: background .25s;
}
.rkb-step-dot.is-active { background: var(--violet, #7747FF); }
.rkb-step-dot.is-done { background: #2D8C5C; }

.rkb-body {
  flex: 1;
  overflow-y: auto;
  padding: 8px 28px 24px;
}
.rkb-foot {
  padding: 16px 28px;
  border-top: 1px solid var(--line, rgba(10,10,10,0.07));
  display: flex;
  gap: 10px;
  justify-content: space-between;
  align-items: center;
  flex-shrink: 0;
  background: #fff;
}
.rkb-foot-note {
  font-size: 12px;
  color: var(--mute, #6B7280);
  flex: 1;
}
.rkb-foot-actions { display: flex; gap: 8px; }

/* —— Form (étape 1) —— */
.rkb-form { display: grid; gap: 14px; }
.rkb-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.rkb-field { display: flex; flex-direction: column; gap: 6px; }
.rkb-field.full { grid-column: 1 / -1; }
.rkb-label {
  font-size: 12px;
  font-weight: 500;
  color: var(--mute, #6B7280);
  letter-spacing: -0.005em;
}
.rkb-label .req { color: #C9362D; }
.rkb-input, .rkb-select, .rkb-textarea {
  width: 100%;
  padding: 11px 14px;
  border-radius: 10px;
  border: 1px solid var(--line, rgba(10,10,10,0.12));
  background: #fff;
  font: inherit;
  font-size: 14px;
  color: var(--ink, #0A0A0A);
  transition: border-color .15s, box-shadow .15s;
}
.rkb-textarea { resize: vertical; min-height: 80px; }
.rkb-input:focus, .rkb-select:focus, .rkb-textarea:focus {
  outline: none;
  border-color: var(--violet, #7747FF);
  box-shadow: 0 0 0 3px rgba(119,71,255,0.12);
}
.rkb-input.is-error { border-color: #C9362D; }
.rkb-consent {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 14px;
  background: var(--surface-2, #FBFAF5);
  border-radius: 10px;
  font-size: 12px;
  line-height: 1.5;
  color: var(--mute, #6B7280);
}
.rkb-consent input { margin-top: 2px; accent-color: var(--violet, #7747FF); }
.rkb-consent a { color: var(--violet, #7747FF); }
@media (max-width: 540px) {
  .rkb-row { grid-template-columns: 1fr; }
  .rkb-head { padding: 20px 20px 14px; }
  .rkb-body { padding: 8px 20px 20px; }
  .rkb-foot { padding: 14px 20px; flex-direction: column; align-items: stretch; }
  .rkb-foot-actions { width: 100%; }
  .rkb-foot-actions .rkb-btn { flex: 1; }
}

/* —— Calendar (étape 2) —— */
.rkb-cal-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}
.rkb-cal-title {
  font-family: var(--font-display, var(--font-sans, sans-serif));
  font-size: 16px;
  font-weight: 600;
  letter-spacing: -0.015em;
  color: var(--ink, #0A0A0A);
}
.rkb-cal-nav {
  display: flex;
  gap: 6px;
}
.rkb-cal-nav button {
  width: 32px; height: 32px;
  border-radius: 8px;
  background: var(--surface-2, #FBFAF5);
  border: 0;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--ink, #0A0A0A);
  transition: background .15s;
}
.rkb-cal-nav button:hover:not(:disabled) { background: var(--line, rgba(10,10,10,0.08)); }
.rkb-cal-nav button:disabled { opacity: 0.4; cursor: not-allowed; }

.rkb-cal-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 4px;
  margin-bottom: 16px;
}
.rkb-dow {
  font-family: var(--font-mono, monospace);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--mute, #6B7280);
  text-align: center;
  padding: 6px 0;
}
.rkb-day {
  aspect-ratio: 1/1;
  border: 0;
  background: transparent;
  border-radius: 10px;
  font: inherit;
  font-size: 13px;
  font-weight: 500;
  color: var(--ink, #0A0A0A);
  cursor: pointer;
  transition: background .15s, color .15s;
  position: relative;
}
.rkb-day:hover:not(:disabled) { background: var(--surface-2, #FBFAF5); }
.rkb-day.is-other-month { color: rgba(10,10,10,0.25); }
.rkb-day.is-past, .rkb-day:disabled { color: rgba(10,10,10,0.18); cursor: not-allowed; }
.rkb-day.is-available::after {
  content: "";
  position: absolute;
  bottom: 6px;
  left: 50%;
  transform: translateX(-50%);
  width: 4px; height: 4px;
  border-radius: 50%;
  background: var(--violet, #7747FF);
}
.rkb-day.is-selected {
  background: var(--violet, #7747FF);
  color: #fff;
}
.rkb-day.is-selected::after { background: #fff; }
.rkb-day.is-today {
  box-shadow: inset 0 0 0 1px var(--violet, #7747FF);
}

.rkb-slots-title {
  font-family: var(--font-mono, monospace);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--mute, #6B7280);
  margin: 18px 0 10px;
}
.rkb-slots {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(85px, 1fr));
  gap: 8px;
}
.rkb-slot {
  padding: 10px 8px;
  border-radius: 10px;
  border: 1px solid var(--line, rgba(10,10,10,0.12));
  background: #fff;
  font: inherit;
  font-size: 13px;
  font-weight: 500;
  color: var(--ink, #0A0A0A);
  cursor: pointer;
  transition: all .15s;
}
.rkb-slot:hover { border-color: var(--violet, #7747FF); color: var(--violet, #7747FF); }
.rkb-slot.is-selected {
  background: var(--violet, #7747FF);
  color: #fff;
  border-color: var(--violet, #7747FF);
}
.rkb-slots-empty {
  padding: 24px;
  text-align: center;
  color: var(--mute, #6B7280);
  font-size: 13px;
  background: var(--surface-2, #FBFAF5);
  border-radius: 12px;
}

/* —— Confirmation (étape 3) —— */
.rkb-confirm {
  text-align: center;
  padding: 12px 0 8px;
}
.rkb-confirm-icon {
  width: 64px; height: 64px;
  margin: 0 auto 16px;
  border-radius: 50%;
  background: rgba(45,140,92,0.12);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #2D8C5C;
}
.rkb-confirm h3 {
  font-family: var(--font-display, var(--font-sans, sans-serif));
  font-size: 22px;
  letter-spacing: -0.025em;
  margin: 0 0 8px;
  color: var(--ink, #0A0A0A);
}
.rkb-confirm p { color: var(--mute, #6B7280); font-size: 14px; margin: 0 0 18px; line-height: 1.55; }
.rkb-confirm-card {
  text-align: left;
  border: 1px solid var(--line, rgba(10,10,10,0.07));
  border-radius: 14px;
  padding: 18px 20px;
  margin: 0 0 18px;
}
.rkb-confirm-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 0;
  border-bottom: 1px solid var(--line, rgba(10,10,10,0.07));
  font-size: 13px;
}
.rkb-confirm-row:last-child { border-bottom: 0; }
.rkb-confirm-row .k { color: var(--mute, #6B7280); font-family: var(--font-mono, monospace); font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; }
.rkb-confirm-row .v { color: var(--ink, #0A0A0A); font-weight: 500; }
.rkb-confirm-actions {
  display: flex;
  gap: 8px;
  justify-content: center;
  flex-wrap: wrap;
}

/* —— Boutons —— */
.rkb-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 11px 20px;
  border-radius: 10px;
  border: 0;
  font: inherit;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: background .15s, transform .12s, opacity .15s;
}
.rkb-btn-primary { background: var(--violet, #7747FF); color: #fff; }
.rkb-btn-primary:hover:not(:disabled) { background: #6534F0; }
.rkb-btn-primary:disabled { opacity: 0.55; cursor: not-allowed; }
.rkb-btn-ghost { background: transparent; color: var(--ink, #0A0A0A); }
.rkb-btn-ghost:hover { background: var(--surface-2, #FBFAF5); }
.rkb-btn-secondary {
  background: #fff;
  color: var(--ink, #0A0A0A);
  border: 1px solid var(--line, rgba(10,10,10,0.12));
}
.rkb-btn-secondary:hover { background: var(--surface-2, #FBFAF5); }

/* —— Erreur globale —— */
.rkb-error {
  margin-bottom: 12px;
  padding: 10px 14px;
  background: rgba(201,54,45,0.08);
  border: 1px solid rgba(201,54,45,0.2);
  border-radius: 10px;
  color: #C9362D;
  font-size: 13px;
  line-height: 1.5;
  display: none;
}
.rkb-error.is-visible { display: block; }

.rkb-loading {
  text-align: center;
  padding: 40px 20px;
  color: var(--mute, #6B7280);
  font-size: 14px;
}

/* —— Cache le fab dans certains contextes —— */
body.app .rkb-fab, body.admin .rkb-fab, body.designer .rkb-fab,
body.legal .rkb-fab { display: none; }
@media print { .rkb-fab, .rkb-overlay { display: none !important; } }