:root {
  --bg: #120c10;
  --bg-raised: #1c141a;
  --line: rgba(255, 255, 255, 0.10);
  --line-soft: rgba(255, 255, 255, 0.06);
  --text: #f6f1f4;
  --text-dim: #a89aa4;
  --accent: #ffb6d9;
  --on-accent: #2a1420;
  --radius-md: 14px;
  --radius-sm: 9px;
  --font-display: 'Space Grotesk', ui-sans-serif, system-ui, sans-serif;
  --font-body: 'Inter', -apple-system, "Segoe UI", Roboto, sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.5;
}

h1, h2 { font-family: var(--font-display); margin: 0; }

a { color: inherit; }

.demo-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 24px;
  background: var(--bg-raised);
  border-bottom: 1px solid var(--line);
  font-size: 0.82rem;
  color: var(--text-dim);
}

.demo-banner a {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--text);
  text-decoration: none;
}

.bk {
  max-width: 620px;
  margin: 0 auto;
  padding: 48px 20px 80px;
}

.bk-hero {
  text-align: center;
  margin-bottom: 36px;
}

.bk-hero__badge {
  display: inline-block;
  font-size: 0.78rem;
  letter-spacing: 0.02em;
  color: var(--accent);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 6px 14px;
  margin-bottom: 18px;
}

.bk-hero h1 {
  font-size: clamp(1.6rem, 5vw, 2.3rem);
  line-height: 1.2;
  margin-bottom: 14px;
}

.bk-hero p {
  color: var(--text-dim);
  max-width: 440px;
  margin: 0 auto;
}

.bk-card {
  background: var(--bg-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 32px;
}

.bk-step {
  display: flex;
  gap: 16px;
  padding-bottom: 28px;
  margin-bottom: 28px;
  border-bottom: 1px solid var(--line-soft);
}

.bk-step:last-of-type { border-bottom: none; margin-bottom: 0; padding-bottom: 0; }

.bk-step__num {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--on-accent);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.bk-step__body { flex: 1; min-width: 0; }

.bk-step__body h2 {
  font-size: 0.98rem;
  margin-bottom: 14px;
}

.bk-services {
  display: grid;
  gap: 10px;
}

.bk-service {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: border-color 0.15s ease, background 0.15s ease;
}

.bk-service:hover { border-color: var(--text-dim); }

.bk-service input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.bk-service:has(input:checked) {
  border-color: var(--accent);
  background: rgba(255, 182, 217, 0.08);
}

.bk-service__name { font-size: 0.92rem; }
.bk-service__price { font-family: var(--font-display); font-size: 0.88rem; color: var(--accent); white-space: nowrap; }

.bk-days, .bk-times {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.bk-chip {
  padding: 9px 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: transparent;
  color: var(--text);
  font-family: inherit;
  font-size: 0.86rem;
  cursor: pointer;
  transition: border-color 0.15s ease, background 0.15s ease, color 0.15s ease;
}

.bk-chip:hover:not(:disabled) { border-color: var(--text-dim); }

.bk-chip.is-selected {
  border-color: var(--accent);
  background: var(--accent);
  color: var(--on-accent);
  font-weight: 600;
}

.bk-chip:disabled {
  opacity: 0.35;
  text-decoration: line-through;
  cursor: not-allowed;
}

.bk-fields {
  display: grid;
  gap: 10px;
}

.bk-fields input {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  color: var(--text);
  font-family: inherit;
  font-size: 0.95rem;
}

.bk-fields input:focus { outline: none; border-color: var(--accent); }

.bk-submit {
  width: 100%;
  margin-top: 28px;
  padding: 15px;
  border: none;
  border-radius: var(--radius-sm);
  background: var(--accent);
  color: var(--on-accent);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  cursor: pointer;
  transition: background 0.15s ease, transform 0.15s ease;
}

.bk-submit:hover { background: #ffc9e2; transform: translateY(-1px); }
.bk-submit:disabled { opacity: 0.6; cursor: not-allowed; transform: none; }

.bk-status {
  margin: 12px 0 0;
  font-size: 0.85rem;
  text-align: center;
  min-height: 1.2em;
  color: #ff6b6b;
}

.bk-success {
  text-align: center;
  padding: 20px 0;
}

.bk-success__icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 18px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--on-accent);
  font-size: 1.6rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.bk-success h2 { font-size: 1.3rem; margin-bottom: 10px; }
.bk-success p { color: var(--text-dim); margin: 0; }

.bk-link-btn {
  display: inline-block;
  margin-top: 18px;
  padding: 11px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  color: var(--text);
  text-decoration: none;
  font-size: 0.88rem;
  transition: border-color 0.15s ease, background 0.15s ease;
}

.bk-link-btn:hover { border-color: var(--accent); background: rgba(255, 182, 217, 0.08); }

.bk-footnote {
  margin-top: 28px;
  font-size: 0.82rem;
  color: var(--text-dim);
  text-align: center;
  line-height: 1.6;
}

.bk-footnote a { color: var(--accent); text-decoration: underline; }

.bk-loading, .bk-empty {
  color: var(--text-dim);
  font-size: 0.92rem;
  text-align: center;
  padding: 20px 0;
  margin: 0;
}

.bk-empty a { color: var(--accent); text-decoration: underline; }

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

.bk-booking {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  flex-wrap: wrap;
}

.bk-booking__main { display: flex; flex-direction: column; gap: 4px; min-width: 0; }
.bk-booking__service { font-size: 0.95rem; font-weight: 600; }
.bk-booking__meta { font-size: 0.84rem; color: var(--text-dim); }

.bk-booking__side {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.bk-badge {
  font-size: 0.74rem;
  padding: 5px 10px;
  border-radius: 999px;
  background: rgba(255, 182, 217, 0.14);
  color: var(--accent);
  white-space: nowrap;
}

.bk-booking__time { font-size: 0.78rem; color: var(--text-dim); white-space: nowrap; }

@media (max-width: 480px) {
  .bk-card { padding: 22px; }
  .bk-step { gap: 12px; }
}