:root {
  --color-bg: oklch(97% 0.02 340);
  --color-surface: oklch(99% 0.005 340);
  --color-ink: oklch(20% 0.03 340);
  --color-ink-soft: oklch(42% 0.02 340);
  --color-accent: oklch(45% 0.14 350);
  --color-accent-soft: oklch(92% 0.05 350);
  --color-line: oklch(89% 0.02 340);
  --color-success: oklch(55% 0.13 145);
  --color-danger: oklch(55% 0.18 25);

  --font-display: "Fraunces", "Iowan Old Style", serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
  --radius-card: 16px;
  --duration-normal: 220ms;
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-ink);
  font-family: var(--font-body);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

.app-shell {
  max-width: 560px;
  margin-inline: auto;
  min-height: 100vh;
  background: var(--color-surface);
  box-shadow: 0 0 0 1px var(--color-line);
}

.app-header {
  padding: 1.5rem 1.5rem 1.1rem;
  border-bottom: 1px solid var(--color-line);
  position: sticky;
  top: 0;
  background: var(--color-surface);
  z-index: 5;
}

.app-header .biz-name {
  font-family: var(--font-display);
  font-size: 1.5rem;
  margin: 0 0 0.2rem;
}

.app-header .biz-sub {
  color: var(--color-ink-soft);
  font-size: 0.9rem;
  margin: 0;
}

.stepper {
  display: flex;
  gap: 0.4rem;
  margin-top: 1rem;
}

.stepper .dot {
  flex: 1;
  height: 4px;
  border-radius: 999px;
  background: var(--color-line);
  transition: background var(--duration-normal) var(--ease-out-expo);
}

.stepper .dot.active,
.stepper .dot.done {
  background: var(--color-accent);
}

.step-panel {
  padding: 1.5rem;
  display: none;
  animation: fadeUp var(--duration-normal) var(--ease-out-expo);
}

.step-panel.active {
  display: block;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

.step-title {
  font-family: var(--font-display);
  font-size: 1.3rem;
  margin: 0 0 1.1rem;
}

.service-list {
  display: grid;
  gap: 0.75rem;
}

.service-option {
  border: 1px solid var(--color-line);
  border-radius: var(--radius-card);
  padding: 1rem 1.1rem;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
  background: var(--color-bg);
  transition: border-color var(--duration-normal) var(--ease-out-expo),
    background var(--duration-normal) var(--ease-out-expo),
    transform var(--duration-normal) var(--ease-out-expo);
  text-align: left;
}

.service-option:hover {
  transform: translateY(-2px);
}

.service-option.selected {
  border-color: var(--color-accent);
  background: var(--color-accent-soft);
}

.service-option .meta h4 {
  margin: 0 0 0.2rem;
  font-size: 1rem;
}

.service-option .meta p {
  margin: 0;
  color: var(--color-ink-soft);
  font-size: 0.85rem;
}

.service-option .price {
  font-family: var(--font-display);
  font-size: 1.15rem;
  color: var(--color-accent);
  white-space: nowrap;
}

.field {
  margin-bottom: 1.1rem;
}

.field label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
  color: var(--color-ink-soft);
}

.field input,
.field textarea {
  width: 100%;
  padding: 0.75rem 0.9rem;
  border-radius: 10px;
  border: 1px solid var(--color-line);
  font-family: inherit;
  font-size: 0.95rem;
  background: var(--color-bg);
  color: var(--color-ink);
}

.field input:focus,
.field textarea:focus {
  outline: 2px solid var(--color-accent);
  outline-offset: 1px;
}

.field textarea {
  resize: vertical;
  min-height: 4.5rem;
}

.slot-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.6rem;
  margin-top: 0.75rem;
}

.slot-btn {
  padding: 0.65rem 0.4rem;
  border-radius: 10px;
  border: 1px solid var(--color-line);
  background: var(--color-bg);
  font-size: 0.88rem;
  cursor: pointer;
  transition: all var(--duration-normal) var(--ease-out-expo);
}

.slot-btn:hover {
  border-color: var(--color-accent);
}

.slot-btn.selected {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-surface);
  font-weight: 600;
}

.empty-note {
  color: var(--color-ink-soft);
  font-size: 0.9rem;
  padding: 1rem;
  text-align: center;
  border: 1px dashed var(--color-line);
  border-radius: var(--radius-card);
}

.summary-card {
  border: 1px solid var(--color-line);
  border-radius: var(--radius-card);
  padding: 1.1rem;
  background: var(--color-bg);
  margin-bottom: 1.1rem;
}

.summary-card dl {
  margin: 0;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.4rem 1rem;
  font-size: 0.92rem;
}

.summary-card dt {
  color: var(--color-ink-soft);
}

.summary-card dd {
  margin: 0;
  font-weight: 600;
  text-align: right;
}

.actions-row {
  display: flex;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.btn {
  flex: 1;
  padding: 0.85rem 1rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all var(--duration-normal) var(--ease-out-expo);
}

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

.btn-primary {
  background: var(--color-accent);
  color: var(--color-surface);
}

.btn-primary:not(:disabled):hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 20px -10px color-mix(in oklch, var(--color-accent) 60%, transparent);
}

.btn-secondary {
  background: transparent;
  border-color: var(--color-line);
  color: var(--color-ink);
  flex: 0 0 auto;
}

.btn-secondary:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.confirm-icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--color-accent-soft);
  color: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin: 0 auto 1.25rem;
}

.confirm-panel {
  text-align: center;
}

.error-note {
  color: var(--color-danger);
  font-size: 0.88rem;
  margin-top: 0.6rem;
  min-height: 1.2em;
}

.date-input {
  margin-bottom: 0.5rem;
}

.footer-link {
  text-align: center;
  padding: 1.5rem;
  font-size: 0.85rem;
  color: var(--color-ink-soft);
}

.footer-link a {
  color: var(--color-accent);
  text-decoration: none;
  font-weight: 600;
}