/* ============================================================
   Barbearia Digital — Booking Widget Styles
   Self-contained, dark barber-shop theme
   ============================================================ */

:root {
  --bw-bg: #101010;
  --bw-surface: #171717;
  --bw-surface-alt: #202020;
  --bw-ink: #f1eadb;
  --bw-text: #c8bfae;
  --bw-muted: #8f8678;
  --bw-line: #34302a;
  --bw-accent: #d2a44d;
  --bw-accent-2: #efc97b;
  --bw-accent-text: #171006;
  --bw-error: #e74c3c;
  --bw-success: #27ae60;
  --bw-radius: 6px;
  --bw-font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --bw-shadow: 0 4px 24px rgba(0,0,0,0.3);
}

/* Container */
.bw-widget {
  all: initial;
  display: block;
  font-family: var(--bw-font);
  color: var(--bw-text);
  background: var(--bw-bg);
  border: 1px solid var(--bw-line);
  border-radius: var(--bw-radius);
  box-shadow: var(--bw-shadow);
  max-width: 480px;
  width: 100%;
  margin: 0 auto;
  overflow: hidden;
  box-sizing: border-box;
}

.bw-widget *,
.bw-widget *::before,
.bw-widget *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

/* Header */
.bw-header {
  background: var(--bw-surface);
  padding: 20px 24px;
  border-bottom: 1px solid var(--bw-line);
  text-align: center;
}

.bw-header h2 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--bw-ink);
  letter-spacing: 0.02em;
}

.bw-header p {
  font-size: 0.82rem;
  color: var(--bw-muted);
  margin-top: 4px;
}

/* Body */
.bw-body {
  padding: 20px 24px;
  min-height: 280px;
}

/* Steps indicator */
.bw-steps {
  display: flex;
  justify-content: center;
  gap: 6px;
  padding: 12px 24px;
  background: var(--bw-surface);
  border-bottom: 1px solid var(--bw-line);
}

.bw-step {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--bw-line);
  transition: background 0.3s ease;
}

.bw-step.active {
  background: var(--bw-accent);
}

.bw-step.done {
  background: var(--bw-success);
}

/* Loading */
.bw-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 40px 0;
  color: var(--bw-muted);
  font-size: 0.9rem;
}

.bw-spinner {
  width: 36px;
  height: 36px;
  border: 3px solid var(--bw-line);
  border-top-color: var(--bw-accent);
  border-radius: 50%;
  animation: bw-spin 0.7s linear infinite;
}

@keyframes bw-spin {
  to { transform: rotate(360deg); }
}

/* Error */
.bw-error {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 32px 16px;
  text-align: center;
}

.bw-error-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(231, 76, 60, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  color: var(--bw-error);
}

.bw-error h3 {
  font-size: 1rem;
  color: var(--bw-ink);
  font-weight: 600;
}

.bw-error p {
  font-size: 0.85rem;
  color: var(--bw-muted);
  max-width: 300px;
}

/* Calendar */
.bw-calendar {
  width: 100%;
}

.bw-cal-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.bw-cal-nav button {
  background: var(--bw-surface-alt);
  border: 1px solid var(--bw-line);
  color: var(--bw-ink);
  width: 36px;
  height: 36px;
  border-radius: var(--bw-radius);
  cursor: pointer;
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s;
}

.bw-cal-nav button:hover {
  background: var(--bw-line);
}

.bw-cal-nav button:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

.bw-cal-month {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--bw-ink);
}

.bw-cal-weekdays {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 2px;
  margin-bottom: 4px;
}

.bw-cal-weekday {
  text-align: center;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--bw-muted);
  text-transform: uppercase;
  padding: 6px 0;
  letter-spacing: 0.04em;
}

.bw-cal-days {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 2px;
}

.bw-cal-day {
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--bw-radius);
  border: 1px solid transparent;
  background: transparent;
  color: var(--bw-text);
  font-size: 0.85rem;
  font-family: var(--bw-font);
  cursor: pointer;
  transition: all 0.2s ease;
}

.bw-cal-day:hover:not(.disabled) {
  background: var(--bw-surface-alt);
  border-color: var(--bw-line);
}

.bw-cal-day.selected {
  background: var(--bw-accent);
  color: var(--bw-accent-text);
  font-weight: 700;
  border-color: var(--bw-accent);
}

.bw-cal-day.today {
  border-color: var(--bw-accent);
  color: var(--bw-accent);
}

.bw-cal-day.today.selected {
  color: var(--bw-accent-text);
}

.bw-cal-day.disabled {
  opacity: 0.25;
  cursor: not-allowed;
}

.bw-cal-day.other-month {
  opacity: 0.2;
}

/* Selection lists (services, professionals) */
.bw-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.bw-list-title {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--bw-ink);
  margin-bottom: 4px;
}

.bw-list-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: var(--bw-surface);
  border: 1px solid var(--bw-line);
  border-radius: var(--bw-radius);
  cursor: pointer;
  transition: all 0.2s ease;
  text-align: left;
  font-family: var(--bw-font);
  color: var(--bw-text);
  width: 100%;
}

.bw-list-item:hover {
  background: var(--bw-surface-alt);
  border-color: var(--bw-accent);
}

.bw-list-item.selected {
  border-color: var(--bw-accent);
  background: rgba(210, 164, 77, 0.08);
}

.bw-list-item-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--bw-radius);
  background: var(--bw-surface-alt);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.bw-list-item-info {
  flex: 1;
  min-width: 0;
}

.bw-list-item-name {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--bw-ink);
}

.bw-list-item-desc {
  font-size: 0.78rem;
  color: var(--bw-muted);
  margin-top: 2px;
}

.bw-list-item-price {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--bw-accent);
  white-space: nowrap;
}

.bw-list-item-spec {
  font-size: 0.78rem;
  color: var(--bw-muted);
}

/* Time slots */
.bw-slots {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.bw-slot {
  padding: 10px 8px;
  text-align: center;
  background: var(--bw-surface);
  border: 1px solid var(--bw-line);
  border-radius: var(--bw-radius);
  cursor: pointer;
  font-family: var(--bw-font);
  font-size: 0.85rem;
  color: var(--bw-text);
  transition: all 0.2s ease;
}

.bw-slot:hover:not(.unavailable) {
  background: var(--bw-surface-alt);
  border-color: var(--bw-accent);
}

.bw-slot.selected {
  background: var(--bw-accent);
  color: var(--bw-accent-text);
  font-weight: 700;
  border-color: var(--bw-accent);
}

.bw-slot.unavailable {
  opacity: 0.3;
  cursor: not-allowed;
  text-decoration: line-through;
}

.bw-slots-empty {
  grid-column: 1 / -1;
  text-align: center;
  padding: 24px;
  color: var(--bw-muted);
  font-size: 0.85rem;
}

/* Contact form */
.bw-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.bw-form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.bw-form-label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--bw-ink);
}

.bw-form-input {
  padding: 10px 14px;
  background: var(--bw-surface);
  border: 1px solid var(--bw-line);
  border-radius: var(--bw-radius);
  color: var(--bw-ink);
  font-family: var(--bw-font);
  font-size: 0.9rem;
  transition: all 0.2s ease;
  outline: none;
}

.bw-form-input:focus {
  border-color: var(--bw-accent);
  box-shadow: 0 0 0 2px rgba(210, 164, 77, 0.2);
}

.bw-form-input.bw-input-error {
  border-color: var(--bw-error);
}

.bw-form-input.bw-input-error:focus {
  box-shadow: 0 0 0 2px rgba(231, 76, 60, 0.2);
}

.bw-form-input::placeholder {
  color: var(--bw-muted);
}

.bw-form-error {
  font-size: 0.78rem;
  color: var(--bw-error);
}

.bw-form-summary {
  background: var(--bw-surface);
  border: 1px solid var(--bw-line);
  border-radius: var(--bw-radius);
  padding: 12px 16px;
  font-size: 0.82rem;
}

.bw-form-summary-row {
  display: flex;
  justify-content: space-between;
  padding: 4px 0;
}

.bw-form-summary-label {
  color: var(--bw-muted);
}

.bw-form-summary-value {
  color: var(--bw-ink);
  font-weight: 600;
  text-align: right;
}

/* Buttons */
.bw-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border: 1px solid transparent;
  border-radius: var(--bw-radius);
  font-family: var(--bw-font);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  min-height: 44px;
}

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

.bw-btn-primary {
  background: linear-gradient(135deg, var(--bw-accent), var(--bw-accent-2));
  color: var(--bw-accent-text);
  width: 100%;
}

.bw-btn-primary:hover:not(:disabled) {
  opacity: 0.9;
  transform: translateY(-1px);
}

.bw-btn-secondary {
  background: var(--bw-surface);
  border-color: var(--bw-line);
  color: var(--bw-ink);
}

.bw-btn-secondary:hover:not(:disabled) {
  background: var(--bw-surface-alt);
}

.bw-btn-back {
  background: transparent;
  border: none;
  color: var(--bw-muted);
  font-size: 0.82rem;
  cursor: pointer;
  padding: 8px 0;
  font-family: var(--bw-font);
}

.bw-btn-back:hover {
  color: var(--bw-ink);
}

/* Confirmation */
.bw-confirmation {
  text-align: center;
  padding: 16px 0;
}

.bw-confirmation-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: rgba(39, 174, 96, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  color: var(--bw-success);
  margin: 0 auto 16px;
}

.bw-confirmation h3 {
  font-size: 1.1rem;
  color: var(--bw-ink);
  font-weight: 700;
  margin-bottom: 8px;
}

.bw-confirmation p {
  font-size: 0.85rem;
  color: var(--bw-muted);
  margin-bottom: 4px;
}

.bw-confirmation-details {
  background: var(--bw-surface);
  border: 1px solid var(--bw-line);
  border-radius: var(--bw-radius);
  padding: 16px;
  margin: 16px 0;
  text-align: left;
}

.bw-confirmation-detail {
  display: flex;
  justify-content: space-between;
  padding: 6px 0;
  font-size: 0.85rem;
}

.bw-confirmation-detail + .bw-confirmation-detail {
  border-top: 1px solid var(--bw-line);
}

.bw-confirmation-label {
  color: var(--bw-muted);
}

.bw-confirmation-value {
  color: var(--bw-ink);
  font-weight: 600;
  text-align: right;
}

.bw-confirmation-cancel {
  display: inline-block;
  margin-top: 12px;
  font-size: 0.78rem;
  color: var(--bw-muted);
  cursor: pointer;
  text-decoration: underline;
  background: none;
  border: none;
  font-family: var(--bw-font);
}

.bw-confirmation-cancel:hover {
  color: var(--bw-error);
}

/* WhatsApp input helper */
.bw-whatsapp-hint {
  font-size: 0.75rem;
  color: var(--bw-muted);
  margin-top: 2px;
}

/* Acessibilidade: Contorno de foco visível */
.bw-btn:focus-visible,
.bw-list-item:focus-visible,
.bw-slot:focus-visible,
.bw-cal-day:focus-visible,
.bw-cal-nav button:focus-visible {
  outline: 2px solid var(--bw-accent) !important;
  outline-offset: 2px !important;
}

/* Micro-interações: Estado ativo para botões */
.bw-btn:active:not(:disabled) {
  transform: scale(0.98) translateY(0);
}

.bw-cal-day.disabled,
.bw-slot.unavailable {
  opacity: 0.45 !important;
  pointer-events: none !important;
}

/* Responsive */
@media (max-width: 520px) {
  .bw-body {
    padding: 16px;
  }

  .bw-header {
    padding: 16px;
  }

  .bw-slots {
    grid-template-columns: repeat(2, 1fr);
  }

  .bw-steps {
    padding: 10px 16px;
  }
}