/*
 * NK Booking — Frontend Booking Form Styles
 * Premium wellness aesthetic. Clean, soft, modern.
 */

:root {
  --nkb-accent:        #8B7355;
  --nkb-accent-dark:   #6d5840;
  --nkb-accent-light:  #f0ebe3;
  --nkb-bg:            #faf8f5;
  --nkb-card:          #ffffff;
  --nkb-border:        #e8e1d9;
  --nkb-text:          #2c2622;
  --nkb-muted:         #7a6e66;
  --nkb-green:         #3daa6e;
  --nkb-red:           #d94f4f;
  --nkb-radius:        14px;
  --nkb-radius-sm:     8px;
  --nkb-shadow:        0 4px 20px rgba(0,0,0,0.08);
  --nkb-transition:    0.2s ease;
  --nkb-font:          inherit;
}

/* ── Container ──────────────────────────────────────────────────────────────── */
.nkb {
  font-family: var(--nkb-font);
  max-width: 680px;
  margin: 0 auto;
  background: var(--nkb-bg);
  border-radius: var(--nkb-radius);
  box-shadow: var(--nkb-shadow);
  overflow: hidden;
}

/* ── Progress bar ───────────────────────────────────────────────────────────── */
.nkb__progress {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 28px 0;
  background: var(--nkb-card);
  border-bottom: 1px solid var(--nkb-border);
  padding-bottom: 20px;
}
.nkb__progress-bar {
  position: absolute;
  bottom: -1px; left: 0; right: 0;
  height: 3px; background: var(--nkb-border);
}
.nkb__progress-fill {
  height: 100%;
  background: var(--nkb-accent);
  transition: width 0.4s ease;
  border-radius: 0 2px 2px 0;
}
.nkb__step-dot {
  display: flex; align-items: center; justify-content: center;
  width: 30px; height: 30px; border-radius: 50%;
  background: var(--nkb-border); color: var(--nkb-muted);
  font-size: 12px; font-weight: 600;
  transition: all var(--nkb-transition);
  position: relative; z-index: 1;
}
.nkb__step-dot.is-active {
  background: var(--nkb-accent); color: #fff;
  box-shadow: 0 0 0 4px rgba(139,115,85,0.15);
}
.nkb__step-dot.is-done {
  background: var(--nkb-green); color: #fff;
}
.nkb__step-dot.is-done .nkb__step-num::before { content: '✓'; }
.nkb__step-dot.is-done .nkb__step-num { font-size: 0; }
.nkb__step-dot.is-done .nkb__step-num::before { font-size: 13px; }

/* ── Step body ──────────────────────────────────────────────────────────────── */
.nkb__body { padding: 32px 28px; min-height: 280px; }
.nkb__step-title {
  font-size: 20px; font-weight: 600; color: var(--nkb-text);
  margin: 0 0 22px; line-height: 1.3;
}
.nkb__step-sub {
  font-size: 14px; color: var(--nkb-muted); margin: -16px 0 20px;
}

/* ── Category / Service / Staff grids ──────────────────────────────────────── */
.nkb__grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(175px, 1fr)); gap: 12px; }
.nkb__tile {
  display: flex; flex-direction: column; align-items: flex-start;
  padding: 18px 16px; background: var(--nkb-card);
  border: 2px solid var(--nkb-border);
  border-radius: var(--nkb-radius-sm);
  cursor: pointer; transition: all var(--nkb-transition);
  text-align: left;
}
.nkb__tile:hover {
  border-color: var(--nkb-accent);
  background: var(--nkb-accent-light);
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(139,115,85,.12);
}
.nkb__tile.is-selected {
  border-color: var(--nkb-accent);
  background: var(--nkb-accent);
  color: #fff;
}
.nkb__tile.is-selected .nkb__tile-desc { color: rgba(255,255,255,.75); }
.nkb__tile-name { font-size: 14.5px; font-weight: 600; line-height: 1.3; margin-bottom: 4px; }
.nkb__tile-desc { font-size: 12px; color: var(--nkb-muted); line-height: 1.4; }
.nkb__tile-meta { font-size: 12.5px; color: var(--nkb-muted); margin-top: 8px; display: flex; gap: 10px; flex-wrap: wrap; }
.nkb__tile-meta span { display: flex; align-items: center; gap: 3px; }

/* Staff tile specific */
.nkb__staff-tile {
  align-items: center; text-align: center; padding: 20px 12px;
}
.nkb__staff-avatar {
  width: 56px; height: 56px; border-radius: 50%; margin: 0 auto 10px;
  object-fit: cover; border: 2px solid var(--nkb-border);
}
.nkb__staff-avatar-placeholder {
  width: 56px; height: 56px; border-radius: 50%; background: var(--nkb-accent-light);
  color: var(--nkb-accent); font-size: 22px; font-weight: 600;
  display: flex; align-items: center; justify-content: center; margin: 0 auto 10px;
}
.nkb__staff-position { font-size: 12px; color: var(--nkb-muted); margin-top: 2px; }
.nkb__tile.is-selected .nkb__staff-avatar-placeholder { background: rgba(255,255,255,.2); color: #fff; }

/* ── Date picker ────────────────────────────────────────────────────────────── */
.nkb__date-picker-wrap { text-align: center; }
.nkb__date-input { display: none; } /* Hidden — flatpickr renders inline */
#nkb-calendar-inline .flatpickr-calendar {
  box-shadow: none !important;
  border: 1.5px solid var(--nkb-border) !important;
  border-radius: var(--nkb-radius-sm) !important;
  background: var(--nkb-card) !important;
  display: block !important;
  margin: 0 auto;
  font-family: var(--nkb-font);
}
.flatpickr-day.selected,
.flatpickr-day.selected:hover {
  background: var(--nkb-accent) !important;
  border-color: var(--nkb-accent) !important;
}
.flatpickr-day:hover { background: var(--nkb-accent-light) !important; }
.flatpickr-months { padding: 8px 0; }

/* ── Time slots ─────────────────────────────────────────────────────────────── */
.nkb__slots {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(90px, 1fr));
  gap: 10px;
}
.nkb__slot {
  padding: 12px 8px; text-align: center;
  background: var(--nkb-card); border: 2px solid var(--nkb-border);
  border-radius: var(--nkb-radius-sm); font-size: 14px; font-weight: 600;
  cursor: pointer; transition: all var(--nkb-transition);
  color: var(--nkb-text);
}
.nkb__slot:hover:not(.nkb__slot--taken) {
  border-color: var(--nkb-accent); background: var(--nkb-accent-light);
  color: var(--nkb-accent);
}
.nkb__slot.is-selected {
  background: var(--nkb-accent); border-color: var(--nkb-accent); color: #fff;
}
.nkb__slot--taken {
  opacity: .4; cursor: not-allowed; text-decoration: line-through;
  pointer-events: none;
}
.nkb__no-slots {
  text-align: center; padding: 32px 20px;
  color: var(--nkb-muted); font-size: 14px;
}

/* ── Client details form ────────────────────────────────────────────────────── */
.nkb__form { display: flex; flex-direction: column; gap: 18px; }
.nkb__field { display: flex; flex-direction: column; gap: 6px; }
.nkb__label { font-size: 13.5px; font-weight: 600; color: var(--nkb-text); }
.nkb__required { color: var(--nkb-red); }
.nkb__input, .nkb__textarea {
  padding: 11px 14px;
  border: 1.5px solid var(--nkb-border);
  border-radius: var(--nkb-radius-sm);
  font-size: 14px; font-family: inherit; color: var(--nkb-text);
  background: var(--nkb-card); transition: border-color var(--nkb-transition);
}
.nkb__input:focus, .nkb__textarea:focus {
  outline: none; border-color: var(--nkb-accent);
  box-shadow: 0 0 0 3px rgba(139,115,85,0.12);
}
.nkb__input.has-error { border-color: var(--nkb-red); }
.nkb__textarea { resize: vertical; }
.nkb__field--consent { flex-direction: row; align-items: flex-start; }
.nkb__checkbox-label { display: flex; align-items: flex-start; gap: 10px; cursor: pointer; font-size: 13.5px; color: var(--nkb-muted); line-height: 1.5; }
.nkb__checkbox-label a { color: var(--nkb-accent); }
.nkb__checkbox { width: 18px; height: 18px; flex-shrink: 0; accent-color: var(--nkb-accent); margin-top: 2px; cursor: pointer; }
.nkb__checkbox-box {
  width: 18px; height: 18px; flex-shrink: 0;
  border: 2px solid var(--nkb-border); border-radius: 4px;
  margin-top: 2px;
}
.nkb__checkbox:checked + .nkb__checkbox-box {
  background: var(--nkb-accent); border-color: var(--nkb-accent);
}

/* ── Booking summary bar ────────────────────────────────────────────────────── */
.nkb__booking-summary {
  display: flex; flex-wrap: wrap; gap: 14px;
  background: var(--nkb-accent-light); border-radius: var(--nkb-radius-sm);
  padding: 14px 16px; margin-bottom: 24px;
  font-size: 13.5px; color: var(--nkb-accent-dark);
}
.nkb__summary-item { display: flex; flex-direction: column; gap: 2px; }
.nkb__summary-label { font-size: 11px; text-transform: uppercase; letter-spacing: .04em; opacity: .7; }
.nkb__summary-value { font-weight: 600; }

/* ── Confirm card ───────────────────────────────────────────────────────────── */
.nkb__confirm-card {
  background: var(--nkb-card); border: 1.5px solid var(--nkb-border);
  border-radius: var(--nkb-radius-sm); padding: 24px;
}
.nkb__confirm-row {
  display: flex; justify-content: space-between; align-items: baseline;
  padding: 9px 0; border-bottom: 1px solid var(--nkb-border);
  font-size: 14px;
}
.nkb__confirm-row:last-child { border-bottom: 0; }
.nkb__confirm-key   { color: var(--nkb-muted); }
.nkb__confirm-value { font-weight: 500; color: var(--nkb-text); text-align: right; }

/* ── Error message ──────────────────────────────────────────────────────────── */
.nkb__error {
  background: #fdf0f0; border-left: 4px solid var(--nkb-red);
  border-radius: 0 4px 4px 0; padding: 12px 16px;
  color: #8b2424; font-size: 14px; margin-top: 16px;
}

/* ── Navigation footer ──────────────────────────────────────────────────────── */
.nkb__footer {
  display: flex; justify-content: space-between; align-items: center;
  padding: 20px 28px; background: var(--nkb-card);
  border-top: 1px solid var(--nkb-border);
}
.nkb__btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 12px 22px; border-radius: var(--nkb-radius-sm);
  font-size: 14.5px; font-weight: 600; cursor: pointer;
  border: 2px solid transparent; transition: all var(--nkb-transition);
  font-family: inherit;
}
.nkb__btn--primary {
  background: var(--nkb-accent); color: #fff; border-color: var(--nkb-accent);
}
.nkb__btn--primary:hover { background: var(--nkb-accent-dark); border-color: var(--nkb-accent-dark); }
.nkb__btn--primary:disabled { opacity: .6; cursor: not-allowed; }
.nkb__btn--secondary {
  background: transparent; color: var(--nkb-muted);
  border-color: var(--nkb-border);
}
.nkb__btn--secondary:hover { background: var(--nkb-bg); color: var(--nkb-text); }
.nkb__btn--confirm {
  background: var(--nkb-green); border-color: var(--nkb-green); color: #fff;
  padding: 13px 28px; font-size: 15px;
}
.nkb__btn--confirm:hover { background: #329960; border-color: #329960; }

/* ── Success state ──────────────────────────────────────────────────────────── */
.nkb__step--success { text-align: center; padding: 20px 0; }
.nkb__success-icon {
  display: flex; align-items: center; justify-content: center;
  width: 72px; height: 72px; border-radius: 50%;
  background: var(--nkb-green); color: #fff; font-size: 32px;
  margin: 0 auto 20px;
  animation: nkbBounceIn .5s ease;
}
.nkb__booking-ref-box {
  display: inline-block; background: var(--nkb-accent-light);
  border: 1.5px solid var(--nkb-accent); border-radius: var(--nkb-radius-sm);
  padding: 10px 24px; font-size: 18px; font-weight: 700;
  color: var(--nkb-accent); letter-spacing: .06em;
  margin: 16px auto; font-family: monospace;
}
@keyframes nkbBounceIn {
  0%   { transform: scale(.4); opacity: 0; }
  70%  { transform: scale(1.1); }
  100% { transform: scale(1); opacity: 1; }
}

/* ── Loading state ──────────────────────────────────────────────────────────── */
.nkb__loading {
  text-align: center; padding: 32px; color: var(--nkb-muted);
  font-size: 14px;
}
.nkb__loading::after { content: ''; display: inline-block; width: 18px; height: 18px; border: 2px solid var(--nkb-border); border-top-color: var(--nkb-accent); border-radius: 50%; margin-left: 8px; animation: nkbSpin .7s linear infinite; vertical-align: middle; }
@keyframes nkbSpin { to { transform: rotate(360deg); } }

/* ── Responsive ─────────────────────────────────────────────────────────────── */
@media (max-width: 580px) {
  .nkb__body     { padding: 24px 18px; }
  .nkb__footer   { padding: 16px 18px; }
  .nkb__progress { padding: 18px 18px 14px; }
  .nkb__step-dot { width: 24px; height: 24px; font-size: 10px; }
  .nkb__grid     { grid-template-columns: 1fr 1fr; }
  .nkb__slots    { grid-template-columns: repeat(3, 1fr); }
  .nkb__step-title { font-size: 17px; }
}
@media (max-width: 380px) {
  .nkb__grid  { grid-template-columns: 1fr; }
  .nkb__slots { grid-template-columns: repeat(3, 1fr); }
}