:root {
  --bg-main: #0a0e17;
  --bg-surface: #131c2e;
  --bg-card: #1e293b;
  --bg-card-hover: #27354f;
  --border-color: #334155;
  --border-focus: #38bdf8;
  
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  
  /* Cores de Status */
  --status-pending: #38bdf8;    /* Azul: processando */
  --status-matched: #10b981;    /* Verde: identificada */
  --status-review: #f59e0b;     /* Amarelo: revisar */
  --status-error: #ef4444;      /* Vermelho: erro / failed */
  --status-uploading: #94a3b8;  /* Cinza: enviando */

  --primary: #10b981;
  --primary-hover: #059669;
  --primary-active: #047857;
  
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 9999px;
  
  --safe-top: env(safe-area-inset-top, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
  --safe-left: env(safe-area-inset-left, 0px);
  --safe-right: env(safe-area-inset-right, 0px);
}

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

html, body {
  width: 100%;
  height: 100%;
  background-color: var(--bg-main);
  color: var(--text-primary);
  font-family: var(--font-family);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  user-select: none;
  -webkit-user-select: none;
}

input, button, select, textarea {
  font-family: inherit;
  font-size: 1rem;
  color: inherit;
  user-select: auto;
  -webkit-user-select: auto;
}

button {
  cursor: pointer;
  border: none;
  background: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-weight: 600;
  touch-action: manipulation;
  transition: transform 0.08s ease, background-color 0.15s ease, opacity 0.15s ease;
}

button:active {
  transform: scale(0.97);
}

button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

a {
  color: var(--status-pending);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

/* Faixas de Alerta Globais */
.mock-indicator-banner {
  background-color: #b91c1c;
  color: #fff;
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-align: center;
  padding: 0.35rem 1rem;
  position: sticky;
  top: 0;
  z-index: 9999;
  box-shadow: 0 2px 8px rgba(0,0,0,0.4);
}

.vision-banner {
  font-size: 0.85rem;
  font-weight: 700;
  text-align: center;
  padding: calc(var(--safe-top) + 0.35rem) 1rem 0.45rem;
  position: relative;
  width: 100%;
  z-index: 9000;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  box-shadow: 0 2px 8px rgba(0,0,0,0.3);
}

.vision-banner.warning {
  background-color: #f59e0b;
  color: #1e1b18;
}

.vision-banner.neutral {
  background-color: #334155;
  color: #e2e8f0;
}

/* Faixa de Sessão Expirada (C2) */
.session-expired-banner {
  background-color: #d97706;
  color: #fff;
  font-size: 0.9rem;
  font-weight: 700;
  text-align: center;
  padding: 0.5rem 1rem;
  position: absolute;
  top: calc(var(--safe-top) + 60px);
  left: 1rem;
  right: 1rem;
  z-index: 50;
  border-radius: var(--radius-md);
  box-shadow: 0 4px 12px rgba(0,0,0,0.5);
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
}

/* Banner de Atualização do Service Worker [ALTO N1] */
.sw-update-banner {
  position: fixed;
  /* No topo: embaixo cobriria o botão de disparo da câmera */
  top: calc(var(--safe-top, 0px) + 0.5rem);
  left: 50%;
  transform: translateX(-50%);
  background-color: #1e293b;
  color: #f8fafc;
  border: 1px solid #3b82f6;
  border-radius: var(--radius-md, 8px);
  padding: 0.65rem 1.25rem;
  font-size: 0.875rem;
  font-weight: 600;
  text-align: center;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.4);
  z-index: 9999;
  cursor: pointer;
  user-select: none;
  -webkit-user-select: none;
  max-width: calc(100% - 2rem);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Utilitários */
.is-hidden { display: none !important; }
.is-visible { display: block !important; }
.is-flex { display: flex !important; }
.text-center { text-align: center; }
.text-muted { color: var(--text-muted); }
.text-danger { color: var(--status-error); }
.text-success { color: var(--status-matched); }
.text-warning { color: var(--status-review); }
.text-pending { color: var(--status-pending); }

.btn-primary {
  background-color: var(--primary);
  color: #042f1a;
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-md);
  font-size: 1rem;
  font-weight: 700;
  box-shadow: 0 4px 14px rgba(16, 185, 129, 0.4);
}

.btn-primary:active {
  background-color: var(--primary-active);
  color: #fff;
}

.btn-secondary {
  background-color: var(--bg-card);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-md);
  font-size: 1rem;
}

.btn-secondary:active {
  background-color: var(--bg-card-hover);
}

.btn-danger {
  background-color: #7f1d1d;
  color: #fecaca;
  border: 1px solid var(--status-error);
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-md);
}

.btn-danger:active {
  background-color: var(--status-error);
  color: #fff;
}

/* Badges de Status */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
}

.badge.enviando, .badge.status-uploading, .badge.status-queued {
  background-color: rgba(148, 163, 184, 0.15);
  color: var(--status-uploading);
  border: 1px solid rgba(148, 163, 184, 0.3);
}
.badge.enviando .badge-dot, .badge.status-uploading .badge-dot, .badge.status-queued .badge-dot {
  background-color: var(--status-uploading);
}

.badge.processando, .badge.status-processing, .badge.status-pending {
  background-color: rgba(56, 189, 248, 0.15);
  color: var(--status-pending);
  border: 1px solid rgba(56, 189, 248, 0.3);
}
.badge.processando .badge-dot, .badge.status-processing .badge-dot, .badge.status-pending .badge-dot {
  background-color: var(--status-pending);
  animation: pulse-dot 1.5s infinite;
}

.badge.identificada, .badge.status-matched, .badge.status-enviado {
  background-color: rgba(16, 185, 129, 0.15);
  color: var(--status-matched);
  border: 1px solid rgba(16, 185, 129, 0.3);
}
.badge.identificada .badge-dot, .badge.status-matched .badge-dot, .badge.status-enviado .badge-dot {
  background-color: var(--status-matched);
}

.badge.revisar, .badge.status-needs_review, .badge.status-not_found, .badge.status-unreadable, .badge.status-pendente {
  background-color: rgba(245, 158, 11, 0.15);
  color: var(--status-review);
  border: 1px solid rgba(245, 158, 11, 0.3);
}
.badge.revisar .badge-dot, .badge.status-needs_review .badge-dot, .badge.status-not_found .badge-dot, .badge.status-unreadable .badge-dot, .badge.status-pendente .badge-dot {
  background-color: var(--status-review);
}

.badge.erro, .badge.status-error, .badge.status-failed {
  background-color: rgba(239, 68, 68, 0.15);
  color: var(--status-error);
  border: 1px solid rgba(239, 68, 68, 0.3);
}
.badge.erro .badge-dot, .badge.status-error .badge-dot, .badge.status-failed .badge-dot {
  background-color: var(--status-error);
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.85); }
}

/* Modais e Bottom Sheets */
.modal-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(4px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}

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

.modal-content {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  max-width: 540px;
  width: 100%;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6);
}

.modal-header {
  padding: 1rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-color);
}

.modal-body {
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.modal-footer {
  padding: 0.85rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.75rem;
  border-top: 1px solid var(--border-color);
}

/* Toast Notificações */
.toast-container {
  position: fixed;
  top: calc(var(--safe-top) + 1rem);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  z-index: 9000;
  pointer-events: none;
  width: 90%;
  max-width: 400px;
}

.toast {
  background-color: #1e293b;
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 0.75rem 1.1rem;
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  font-weight: 600;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
  text-align: center;
  animation: toast-in 0.25s ease-out;
}

.toast.toast-error {
  background-color: #7f1d1d;
  border-color: var(--status-error);
  color: #fecaca;
}

.toast.toast-success {
  background-color: #064e3b;
  border-color: var(--status-matched);
  color: #a7f3d0;
}

@keyframes toast-in {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: translateY(0); }
}