/* Reset & Variables */
:root {
  --bg-main: #0b0f19;
  --bg-card: rgba(30, 41, 59, 0.75);
  --bg-card-hover: rgba(51, 65, 85, 0.85);
  --border-color: rgba(255, 255, 255, 0.1);
  --accent-primary: #6366f1;
  --accent-gradient: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
  --accent-success: #10b981;
  --accent-danger: #ef4444;
  --accent-warning: #f59e0b;
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --shadow-lg: 0 10px 25px -5px rgba(0, 0, 0, 0.5), 0 8px 10px -6px rgba(0, 0, 0, 0.3);
  --radius-lg: 16px;
  --radius-md: 12px;
  --radius-sm: 8px;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: var(--font-family);
  -webkit-tap-highlight-color: transparent;
}

body {
  background-color: var(--bg-main);
  color: var(--text-main);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  padding-bottom: 90px; /* Espaço para FAB e scroll no celular */
}

/* Header */
.app-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(11, 15, 25, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  padding: 12px 16px;
}

.header-container {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-icon {
  width: 42px;
  height: 42px;
  background: var(--accent-gradient);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  color: white;
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.4);
}

.brand h1 {
  font-size: 1.15rem;
  font-weight: 700;
  line-height: 1.2;
}

.badge-ia {
  font-size: 0.68rem;
  font-weight: 600;
  color: #a7f3d0;
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid rgba(16, 185, 129, 0.3);
  padding: 2px 8px;
  border-radius: 20px;
}

.btn-share {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 8px 14px;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.88rem;
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-share:active {
  transform: scale(0.95);
  background: rgba(255, 255, 255, 0.15);
}

/* Conteúdo Principal */
.main-content {
  max-width: 800px;
  margin: 0 auto;
  width: 100%;
  padding: 16px;
  flex: 1;
}

/* Busca & Stats */
.search-section {
  margin-bottom: 20px;
}

.search-box {
  position: relative;
  display: flex;
  align-items: center;
}

.search-icon {
  position: absolute;
  left: 14px;
  color: var(--text-muted);
  font-size: 1rem;
}

.search-box input {
  width: 100%;
  padding: 14px 40px 14px 44px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  color: var(--text-main);
  font-size: 0.95rem;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.search-box input:focus {
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.25);
}

.btn-clear-search {
  position: absolute;
  right: 12px;
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1rem;
  cursor: pointer;
  padding: 4px;
}

.stats-bar {
  margin-top: 10px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.82rem;
  color: var(--text-muted);
  padding: 0 4px;
}

/* Cards de Produtos */
.products-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

@media (min-width: 640px) {
  .products-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.product-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 14px;
  display: flex;
  gap: 14px;
  align-items: center;
  position: relative;
  transition: transform 0.2s ease, border-color 0.2s ease;
  box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}

.product-card:active {
  transform: scale(0.98);
}

.product-thumb {
  width: 72px;
  height: 72px;
  border-radius: var(--radius-md);
  object-fit: cover;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 24px;
}

.product-info {
  flex: 1;
  min-width: 0;
}

.product-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-main);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-bottom: 4px;
}

.product-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 6px;
}

.tag {
  font-size: 0.72rem;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-muted);
}

.tag-code {
  background: rgba(99, 102, 241, 0.15);
  color: #a5b4fc;
}

.tag-color {
  background: rgba(139, 92, 246, 0.15);
  color: #c4b5fd;
}

.product-qty {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--accent-success);
}

.card-actions {
  position: absolute;
  top: 10px;
  right: 10px;
  display: flex;
  gap: 6px;
}

.btn-edit-prod,
.btn-delete-prod {
  border: none;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 0.85rem;
  transition: all 0.2s ease;
}

.btn-edit-prod {
  background: rgba(99, 102, 241, 0.18);
  color: #a5b4fc;
}

.btn-edit-prod:active {
  background: var(--accent-primary);
  color: white;
}

.btn-delete-prod {
  background: rgba(239, 68, 68, 0.15);
  color: var(--accent-danger);
}

.btn-delete-prod:active {
  background: var(--accent-danger);
  color: white;
}

/* FAB - Floating Action Button */
.fab-btn {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--accent-gradient);
  color: white;
  border: none;
  font-size: 24px;
  box-shadow: 0 8px 20px rgba(99, 102, 241, 0.5);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 90;
  transition: transform 0.2s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.fab-btn:active {
  transform: scale(0.9);
}

/* FAB de Microfone Global - posicionado à esquerda do FAB + */
.fab-mic {
  right: 96px;
  background: linear-gradient(135deg, #10b981 0%, #059669 100%);
  box-shadow: 0 8px 20px rgba(16, 185, 129, 0.5);
}

.fab-mic.recording {
  background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
  box-shadow: 0 8px 20px rgba(239, 68, 68, 0.5);
  animation: pulseFabMic 1.2s infinite;
}

@keyframes pulseFabMic {
  0%   { box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.5); }
  70%  { box-shadow: 0 0 0 16px rgba(239, 68, 68, 0); }
  100% { box-shadow: 0 0 0 0 rgba(239, 68, 68, 0); }
}

/* Header Actions — Agrupar botões do topo */
.header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* Botão de Logout */
.btn-logout {
  background: rgba(239, 68, 68, 0.12);
  border: 1px solid rgba(239, 68, 68, 0.25);
  color: #fca5a5;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 1rem;
  transition: all 0.2s ease;
}

.btn-logout:active {
  background: var(--accent-danger);
  color: white;
}

/* ==================== TELA DE AUTENTICAÇÃO ==================== */
.auth-screen {
  position: fixed;
  inset: 0;
  background: var(--bg-main);
  z-index: 500;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  animation: fadeIn 0.3s ease;
}

.auth-screen.hidden {
  display: none;
}

.auth-card {
  background: rgba(30, 41, 59, 0.9);
  border: 1px solid var(--border-color);
  border-radius: 24px;
  padding: 32px 28px;
  width: 100%;
  max-width: 400px;
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(12px);
}

.auth-logo {
  text-align: center;
  margin-bottom: 28px;
}

.auth-logo .brand-icon {
  width: 60px;
  height: 60px;
  font-size: 26px;
  margin: 0 auto 14px auto;
}

.auth-logo h1 {
  font-size: 1.5rem;
  font-weight: 800;
  margin-bottom: 4px;
}

.auth-logo p {
  color: var(--text-muted);
  font-size: 0.88rem;
}

.auth-tabs {
  display: flex;
  background: rgba(0, 0, 0, 0.2);
  border-radius: var(--radius-md);
  padding: 4px;
  margin-bottom: 24px;
}

.auth-tab {
  flex: 1;
  padding: 10px;
  border: none;
  background: transparent;
  color: var(--text-muted);
  font-weight: 600;
  font-size: 0.9rem;
  border-radius: 10px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.auth-tab.active {
  background: var(--accent-primary);
  color: white;
  box-shadow: 0 2px 8px rgba(99, 102, 241, 0.4);
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

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

.auth-form-group label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 6px;
}

.auth-form-group input {
  padding: 13px 14px;
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-main);
  font-size: 0.95rem;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.auth-form-group input:focus {
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

.btn-auth {
  padding: 14px;
  background: var(--accent-gradient);
  color: white;
  border: none;
  border-radius: var(--radius-md);
  font-weight: 700;
  font-size: 1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: opacity 0.2s, transform 0.1s;
  margin-top: 4px;
}

.btn-auth:active {
  transform: scale(0.97);
}

.btn-auth:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.auth-error {
  color: #fca5a5;
  font-size: 0.83rem;
  text-align: center;
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  padding: 8px 12px;
  border-radius: var(--radius-sm);
}

/* Modais */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 200;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  opacity: 1;
  transition: opacity 0.25s ease;
}

@media (min-width: 640px) {
  .modal-backdrop {
    align-items: center;
    padding: 20px;
  }
}

.modal-container {
  background: #151d30;
  border-top-left-radius: 24px;
  border-top-right-radius: 24px;
  width: 100%;
  max-width: 520px;
  max-height: 90vh;
  overflow-y: auto;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-lg);
  padding: 20px;
  animation: slideUp 0.3s ease;
}

@media (min-width: 640px) {
  .modal-container {
    border-radius: 24px;
  }
}

@keyframes slideUp {
  from { transform: translateY(100%); }
  to { transform: translateY(0); }
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.modal-header h2 {
  font-size: 1.15rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 8px;
}

.btn-close-modal {
  background: rgba(255, 255, 255, 0.1);
  border: none;
  color: var(--text-muted);
  width: 32px;
  height: 32px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Wizard Steps Bar */
.wizard-steps {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-bottom: 20px;
}

.step-dot {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-muted);
  font-weight: 700;
  font-size: 0.82rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
}

.step-dot.active {
  background: var(--accent-primary);
  color: white;
  box-shadow: 0 0 12px rgba(99, 102, 241, 0.6);
}

.step-line {
  height: 2px;
  width: 40px;
  background: rgba(255, 255, 255, 0.1);
}

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

/* Form Passos */
.step-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 16px;
  line-height: 1.4;
}

.image-picker-box {
  background: rgba(255, 255, 255, 0.03);
  border: 2px dashed var(--border-color);
  border-radius: var(--radius-lg);
  padding: 20px;
  text-align: center;
  margin-bottom: 20px;
}

.image-preview-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

.image-preview-container img {
  max-width: 100%;
  max-height: 200px;
  border-radius: var(--radius-md);
  object-fit: contain;
  border: 1px solid var(--border-color);
}

.btn-remove-img {
  background: rgba(239, 68, 68, 0.2);
  color: #fca5a5;
  border: 1px solid rgba(239, 68, 68, 0.3);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 0.8rem;
  font-weight: 600;
}

.upload-buttons-group {
  display: flex;
  gap: 12px;
  justify-content: center;
}

.btn-action {
  padding: 12px 18px;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  border: none;
  transition: all 0.2s ease;
}

.btn-camera {
  background: var(--accent-gradient);
  color: white;
}

.btn-gallery {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-main);
  border: 1px solid var(--border-color);
}

.input-hidden {
  display: none;
}

/* Áudio & Voz */
.voice-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
}

.btn-record-audio {
  width: 100%;
  padding: 18px;
  border-radius: var(--radius-lg);
  background: rgba(99, 102, 241, 0.15);
  border: 1px solid rgba(99, 102, 241, 0.4);
  color: var(--text-main);
  font-weight: 700;
  font-size: 1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  transition: all 0.2s ease;
}

.btn-record-audio.recording {
  background: rgba(239, 68, 68, 0.2);
  border-color: var(--accent-danger);
  color: #fca5a5;
  animation: pulseMic 1.2s infinite;
}

@keyframes pulseMic {
  0% { box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.5); }
  70% { box-shadow: 0 0 0 15px rgba(239, 68, 68, 0); }
  100% { box-shadow: 0 0 0 0 rgba(239, 68, 68, 0); }
}

.transcript-box {
  width: 100%;
  text-align: left;
}

.transcript-box label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
  display: block;
  margin-bottom: 6px;
}

.transcript-box textarea {
  width: 100%;
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 10px;
  color: var(--text-main);
  font-size: 0.9rem;
  resize: vertical;
}

.btn-ai {
  background: linear-gradient(135deg, #10b981 0%, #059669 100%);
  color: white;
  width: 100%;
  justify-content: center;
}

/* Formulário de Confirmação */
.form-group {
  margin-bottom: 14px;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.form-group input {
  width: 100%;
  padding: 12px 14px;
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-main);
  font-size: 0.95rem;
  outline: none;
}

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

.form-row {
  display: flex;
  gap: 12px;
}

.form-row .col {
  flex: 1;
}

.step-actions {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-top: 20px;
}

.btn-primary {
  background: var(--accent-gradient);
  color: white;
  border: none;
  padding: 12px 20px;
  border-radius: var(--radius-md);
  font-weight: 700;
  font-size: 0.9rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 1;
  justify-content: center;
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 12px 16px;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
}

/* Export Cards */
.export-options {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 16px;
}

.export-card {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 14px 16px;
  display: flex;
  align-items: center;
  gap: 14px;
  cursor: pointer;
  text-align: left;
  transition: all 0.2s ease;
  width: 100%;
}

.export-card:active {
  transform: scale(0.98);
  background: rgba(255, 255, 255, 0.08);
}

.export-icon {
  width: 46px;
  height: 46px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  color: white;
  flex-shrink: 0;
}

.icon-db { background: linear-gradient(135deg, #3b82f6, #1d4ed8); }
.icon-excel { background: linear-gradient(135deg, #10b981, #047857); }
.icon-csv { background: linear-gradient(135deg, #f59e0b, #b45309); }

.export-info h3 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-main);
}

.export-info p {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.download-arrow {
  margin-left: auto;
  color: var(--text-muted);
  font-size: 1.1rem;
}

/* Utilities & Empty State */
.empty-state {
  text-align: center;
  padding: 40px 20px;
  color: var(--text-muted);
}

.empty-icon {
  font-size: 48px;
  margin-bottom: 12px;
  opacity: 0.5;
}

.loading-spinner {
  text-align: center;
  padding: 40px 20px;
  color: var(--text-muted);
}

.spinner {
  width: 36px;
  height: 36px;
  border: 3px solid rgba(255, 255, 255, 0.1);
  border-top-color: var(--accent-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: 0 auto 12px auto;
}

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

.hidden {
  display: none !important;
}

/* Toast */
.toast {
  position: fixed;
  bottom: 90px;
  left: 50%;
  transform: translateX(-50%);
  background: #1e293b;
  border: 1px solid var(--accent-primary);
  color: white;
  padding: 12px 20px;
  border-radius: 30px;
  font-size: 0.9rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 10px;
  box-shadow: var(--shadow-lg);
  z-index: 300;
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translate(-50%, 10px); }
  to { opacity: 1; transform: translate(-50%, 0); }
}