:root {
  --vv-sb-bg: #f4f7fb;
  --vv-sb-card: #ffffff;
  --vv-sb-text: #102035;
  --vv-sb-muted: #5e6d80;
  --vv-sb-accent: #0f766e;
  --vv-sb-accent-soft: #ccfbf1;
  --vv-sb-border: #d9e2ec;
  --vv-sb-danger: #b91c1c;
}

.vv-sb-page {
  background: linear-gradient(135deg, var(--vv-sb-bg) 0%, #ffffff 55%);
  border: 1px solid var(--vv-sb-border);
  border-radius: 16px;
  padding: 24px;
  color: var(--vv-sb-text);
}

.vv-sb-hero h1 {
  margin: 0;
  font-size: 2rem;
}

.vv-sb-hero p {
  margin-top: 8px;
  color: var(--vv-sb-muted);
}

.vv-sb-grid {
  margin: 18px 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.vv-sb-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.vv-sb-field label {
  font-weight: 700;
}

.vv-sb-field input,
.vv-sb-field select {
  border: 1px solid var(--vv-sb-border);
  border-radius: 10px;
  padding: 10px;
  min-height: 42px;
}

.vv-sb-price-summary {
  margin: 8px 0 16px;
  padding: 10px 14px;
  border: 1px solid var(--vv-sb-border);
  border-radius: 10px;
  background: #fff;
}

.vv-sb-selected-price-lines {
  margin-top: 8px;
  display: grid;
  gap: 4px;
}

.vv-sb-price-old {
  color: var(--vv-sb-muted);
  text-decoration: line-through;
  margin-right: 6px;
}

.vv-sb-calendar-wrap {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 16px;
  margin-bottom: 20px;
}

.vv-sb-calendar-card,
.vv-sb-slots-card {
  background: var(--vv-sb-card);
  border: 1px solid var(--vv-sb-border);
  border-radius: 12px;
  padding: 14px;
}

.vv-sb-calendar-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}

.vv-sb-weekdays,
.vv-sb-calendar {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 6px;
}

.vv-sb-weekdays span {
  text-align: center;
  color: var(--vv-sb-muted);
  font-size: 0.85rem;
}

.vv-sb-day {
  border: 1px solid var(--vv-sb-border);
  border-radius: 10px;
  min-height: 42px;
  background: #fff;
}

.vv-sb-day button {
  width: 100%;
  height: 100%;
  border: none;
  background: transparent;
  cursor: pointer;
  font-weight: 600;
}

.vv-sb-day.is-muted {
  opacity: 0.35;
}

.vv-sb-day.is-selected {
  background: var(--vv-sb-accent-soft);
  border-color: var(--vv-sb-accent);
}

.vv-sb-slots {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.vv-sb-slot {
  border: 1px solid var(--vv-sb-border);
  border-radius: 20px;
  background: #fff;
  padding: 6px 12px;
  cursor: pointer;
}

.vv-sb-slot.is-busy {
  background: #f1f5f9;
  color: #94a3b8;
  text-decoration: line-through;
  cursor: not-allowed;
}

.vv-sb-slot.is-selected {
  background: var(--vv-sb-accent);
  color: #fff;
  border-color: var(--vv-sb-accent);
}

.vv-sb-result {
  margin-top: 12px;
  font-weight: 700;
}

.vv-sb-result.is-error {
  color: var(--vv-sb-danger);
}

.vv-sb-result.is-success {
  color: #166534;
}

@media (max-width: 991px) {
  .vv-sb-grid,
  .vv-sb-calendar-wrap {
    grid-template-columns: 1fr;
  }
}