:root {
  --primary: #0d9488;
  --primary-hover: #0f766e;
  --primary-light: #f0fdfa;
  --primary-border: #99f6e4;
  
  --bg-page: #f8fafc;
  --bg-card: #ffffff;
  --text-main: #0f172a;
  --text-muted: #64748b;
  --border-color: #e2e8f0;

  --badge-available-bg: #ecfdf5;
  --badge-available-text: #047857;
  --badge-available-border: #a7f3d0;

  --badge-warning-bg: #fffbeb;
  --badge-warning-text: #b45309;
  --badge-warning-border: #fde68a;

  --badge-full-bg: #f1f5f9;
  --badge-full-text: #64748b;
  --badge-full-border: #cbd5e1;

  --badge-blocked-bg: #fef2f2;
  --badge-blocked-text: #b91c1c;
  --badge-blocked-border: #fecaca;

  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.08), 0 2px 4px -2px rgb(0 0 0 / 0.06);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --radius: 12px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background-color: var(--bg-page);
  color: var(--text-main);
  line-height: 1.5;
  padding-bottom: 60px;
}

.container {
  max-width: 580px;
  margin: 0 auto;
  padding: 16px;
}

/* Header */
.app-header {
  background: #ffffff;
  border-bottom: 1px solid var(--border-color);
  padding: 20px 16px 16px 16px;
  position: sticky;
  top: 0;
  z-index: 30;
}

.header-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
}

.badge-room {
  display: inline-block;
  background: #0f172a;
  color: #f8fafc;
  font-weight: 700;
  font-size: 0.8rem;
  padding: 4px 10px;
  border-radius: 9999px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.app-title {
  font-size: 1.55rem;
  font-weight: 800;
  color: #0f172a;
  letter-spacing: -0.02em;
  margin-top: 6px;
  line-height: 1.2;
}

.app-subtitle {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--primary);
  margin-top: 2px;
}

.instructions-card {
  background: var(--primary-light);
  border: 1px solid var(--primary-border);
  border-radius: var(--radius);
  padding: 12px 14px;
  margin-top: 14px;
  font-size: 0.88rem;
  color: #134e4a;
  line-height: 1.45;
}

/* Header Actions */
.header-actions {
  display: flex;
  gap: 8px;
  margin-top: 12px;
}

.btn-share {
  flex: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  background: #25d366;
  color: #ffffff;
  font-weight: 600;
  font-size: 0.88rem;
  padding: 8px 14px;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  transition: background 0.15s ease;
}

.btn-share:active {
  background: #1eb956;
}

.realtime-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  font-weight: 500;
  color: #059669;
  background: #ecfdf5;
  border: 1px solid #a7f3d0;
  padding: 6px 10px;
  border-radius: 8px;
}

.pulse-dot {
  width: 7px;
  height: 7px;
  background-color: #10b981;
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
  70% { transform: scale(1); box-shadow: 0 0 0 6px rgba(16, 185, 129, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

/* Day Selector */
.day-selector-wrapper {
  margin: 16px 0 20px 0;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}
.day-selector-wrapper::-webkit-scrollbar {
  display: none;
}

.day-tabs {
  display: flex;
  gap: 8px;
  padding-bottom: 2px;
}

.day-tab-btn {
  flex: 1;
  min-width: 105px;
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 10px 8px;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s ease;
}

.day-tab-btn.active {
  background: var(--primary);
  border-color: var(--primary);
  color: #ffffff;
  box-shadow: 0 4px 10px rgba(13, 148, 136, 0.25);
}

.day-tab-btn .day-label {
  display: block;
  font-size: 0.76rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  opacity: 0.85;
}

.day-tab-btn.active .day-label {
  opacity: 1;
}

.day-tab-btn .day-date {
  display: block;
  font-size: 1.05rem;
  font-weight: 800;
  margin-top: 2px;
}

.day-tab-btn .day-free-count {
  display: block;
  font-size: 0.7rem;
  margin-top: 2px;
  font-weight: 500;
  opacity: 0.85;
}

/* Slot Card */
.slots-container {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.slot-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 14px 16px;
  box-shadow: var(--shadow-sm);
  transition: transform 0.1s ease, border-color 0.2s ease;
}

.slot-card.lotado {
  background: #fafafa;
  border-color: #e5e7eb;
}

/* Slots Passados: Roxo (preenchido) e Vermelho (vazio) */
.slot-card.passou-preenchido {
  background: #fbf8ff;
  border: 1.5px solid #d8b4fe;
}

.slot-card.passou-vazio {
  background: #fff5f5;
  border: 1.5px solid #fecaca;
}

.slot-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}

.slot-time {
  font-size: 1.15rem;
  font-weight: 800;
  color: #1e293b;
  letter-spacing: -0.01em;
}

/* Badges */
.status-badge {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.4px;
  padding: 4px 8px;
  border-radius: 6px;
  text-transform: uppercase;
}

.status-badge.disponivel {
  background: var(--badge-available-bg);
  color: var(--badge-available-text);
  border: 1px solid var(--badge-available-border);
}

.status-badge.ultima_vaga {
  background: var(--badge-warning-bg);
  color: var(--badge-warning-text);
  border: 1px solid var(--badge-warning-border);
}

.status-badge.lotado {
  background: var(--badge-full-bg);
  color: var(--badge-full-text);
  border: 1px solid var(--badge-full-border);
}

.status-badge.bloqueado {
  background: var(--badge-blocked-bg);
  color: var(--badge-blocked-text);
  border: 1px solid var(--badge-blocked-border);
}

.status-badge.passou_preenchido {
  background: #f3e8ff;
  color: #6b21a8;
  border: 1px solid #c084fc;
}

.status-badge.passou_vazio {
  background: #fee2e2;
  color: #991b1b;
  border: 1px solid #fca5a5;
}

/* Names list */
.visitors-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 12px;
}

.visitor-pill {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  padding: 6px 10px;
  border-radius: 6px;
  font-size: 0.88rem;
  font-weight: 600;
  color: #334155;
}

.visitor-pill-left {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.visitor-pill .check-icon {
  color: #059669;
  font-weight: 800;
}

.btn-cancel-pill {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: #fef2f2;
  color: #b91c1c;
  border: 1px solid #fca5a5;
  border-radius: 6px;
  padding: 5px 10px;
  font-size: 0.78rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.15s ease;
  white-space: nowrap;
}

.btn-cancel-pill:hover,
.btn-cancel-pill:active {
  background: #fee2e2;
  border-color: #ef4444;
  transform: scale(0.97);
}

.btn-danger-confirm {
  flex: 2;
  background: #ef4444;
  color: #ffffff;
  border: none;
  border-radius: 10px;
  padding: 14px;
  font-size: 1rem;
  font-weight: 800;
  cursor: pointer;
  transition: all 0.15s ease;
}

.btn-danger-confirm:hover {
  background: #dc2626;
}

.btn-danger-confirm:disabled {
  background: #fca5a5;
  cursor: not-allowed;
}

.visitor-empty-pill {
  display: flex;
  align-items: center;
  gap: 8px;
  background: #f8fafc;
  border: 1px dashed #cbd5e1;
  padding: 6px 10px;
  border-radius: 6px;
  font-size: 0.82rem;
  color: #94a3b8;
  font-style: italic;
}

/* Actions */
.btn-reserve {
  width: 100%;
  background: var(--primary);
  color: #ffffff;
  border: none;
  border-radius: 8px;
  padding: 12px 16px;
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  transition: all 0.15s ease;
}

.btn-reserve:hover {
  background: var(--primary-hover);
}

.btn-reserve:active {
  transform: scale(0.98);
}

.btn-reserve.disabled,
.btn-reserve:disabled {
  background: #e2e8f0;
  color: #94a3b8;
  cursor: not-allowed;
  transform: none;
}

.btn-reserve.btn-passou-preenchido {
  background: #f3e8ff !important;
  color: #7e22ce !important;
  border: 1px solid #d8b4fe !important;
  cursor: not-allowed;
}

.btn-reserve.btn-passou-vazio {
  background: #fee2e2 !important;
  color: #991b1b !important;
  border: 1px solid #fca5a5 !important;
  cursor: not-allowed;
}

.visitor-empty-pill.text-vazio {
  background: #fff1f2;
  border: 1px dashed #fca5a5;
  color: #b91c1c;
}

/* Modal / Bottom Sheet */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(2px);
  z-index: 100;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

.modal-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

.modal-card {
  background: #ffffff;
  width: 100%;
  max-width: 540px;
  border-radius: 20px 20px 0 0;
  padding: 24px 20px 32px 20px;
  box-shadow: var(--shadow-lg);
  transform: translateY(100%);
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-overlay.open .modal-card {
  transform: translateY(0);
}

.modal-drag-bar {
  width: 40px;
  height: 4px;
  background: #cbd5e1;
  border-radius: 9999px;
  margin: 0 auto 16px auto;
}

.modal-header {
  margin-bottom: 16px;
}

.modal-title {
  font-size: 1.3rem;
  font-weight: 800;
  color: #0f172a;
}

.modal-slot-info {
  font-size: 0.95rem;
  color: var(--primary);
  font-weight: 700;
  margin-top: 2px;
}

.form-group {
  margin-bottom: 18px;
}

.form-label {
  display: block;
  font-size: 0.88rem;
  font-weight: 700;
  color: #334155;
  margin-bottom: 6px;
}

.form-input {
  width: 100%;
  padding: 13px 14px;
  font-size: 1.05rem;
  border: 2px solid var(--border-color);
  border-radius: 10px;
  outline: none;
  transition: border-color 0.15s ease;
}

.form-input:focus {
  border-color: var(--primary);
}

.form-help {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: 5px;
}

.modal-actions {
  display: flex;
  gap: 10px;
}

.btn-confirm {
  flex: 2;
  background: var(--primary);
  color: #ffffff;
  border: none;
  border-radius: 10px;
  padding: 14px;
  font-size: 1.05rem;
  font-weight: 800;
  cursor: pointer;
  transition: all 0.15s ease;
}

.btn-confirm:active {
  transform: scale(0.98);
}

.btn-confirm:disabled {
  background: #94a3b8;
  cursor: not-allowed;
}

.btn-cancel {
  flex: 1;
  background: #f1f5f9;
  color: #475569;
  border: none;
  border-radius: 10px;
  padding: 14px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
}

/* Confirmation Success Screen */
.success-card {
  text-align: center;
  padding: 20px 8px;
}

.success-icon {
  width: 64px;
  height: 64px;
  background: #dcfce7;
  color: #15803d;
  font-size: 2rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  margin: 0 auto 16px auto;
}

.success-title {
  font-size: 1.4rem;
  font-weight: 800;
  color: #15803d;
  margin-bottom: 4px;
}

.success-details {
  background: #f8fafc;
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 16px;
  margin: 18px 0;
  text-align: left;
}

.detail-row {
  display: flex;
  justify-content: space-between;
  padding: 6px 0;
  font-size: 0.92rem;
  border-bottom: 1px dashed #e2e8f0;
}
.detail-row:last-child {
  border-bottom: none;
}

.detail-label {
  color: var(--text-muted);
  font-weight: 500;
}
.detail-value {
  font-weight: 700;
  color: #0f172a;
}

/* Toast */
.toast-container {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 200;
  width: 90%;
  max-width: 420px;
  pointer-events: none;
}

.toast {
  background: #1e293b;
  color: #ffffff;
  padding: 12px 18px;
  border-radius: 10px;
  font-size: 0.9rem;
  font-weight: 600;
  box-shadow: var(--shadow-lg);
  margin-top: 8px;
  animation: slideUp 0.25s ease forwards;
}

.toast.error {
  background: #b91c1c;
}
.toast.success {
  background: #047857;
}

@keyframes slideUp {
  from { transform: translateY(20px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}