:root {
  --bg-main: #0b0f19;
  --bg-card: #111827;
  --bg-card-hover: #1f2937;
  --bg-input: #1e293b;
  --border-color: #334155;
  --border-focus: #6366f1;

  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;

  --color-primary: #6366f1;
  --color-primary-hover: #4f46e5;
  --color-success: #10b981;
  --color-success-bg: rgba(16, 185, 129, 0.15);
  --color-danger: #ef4444;
  --color-danger-bg: rgba(239, 68, 68, 0.15);
  --color-warning: #f59e0b;
  --color-warning-bg: rgba(245, 158, 11, 0.15);

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;

  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -2px rgba(0, 0, 0, 0.2);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

body {
  background-color: var(--bg-main);
  color: var(--text-main);
  line-height: 1.5;
  min-height: 100vh;
}

/* =========================================
   HEADER
   ========================================= */
.app-header {
  background-color: var(--bg-card);
  border-bottom: 1px solid var(--border-color);
  padding: 16px 24px;
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

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

.brand-icon {
  font-size: 28px;
  background: rgba(99, 102, 241, 0.2);
  border-radius: var(--radius-sm);
  padding: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.brand-text h1 {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.5px;
}

.badge-env {
  font-size: 11px;
  text-transform: uppercase;
  color: var(--color-primary);
  font-weight: 600;
  letter-spacing: 0.5px;
}

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

/* =========================================
   BOTÕES
   ========================================= */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 8px 16px;
  font-size: 14px;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.15s ease-in-out;
}

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

.btn-secondary {
  background-color: var(--bg-input);
  color: var(--text-main);
  border-color: var(--border-color);
}
.btn-secondary:hover {
  background-color: var(--bg-card-hover);
}

.btn-sm {
  padding: 4px 10px;
  font-size: 12px;
}

.btn-danger-ghost {
  background: transparent;
  color: var(--color-danger);
  border: none;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: var(--radius-sm);
}
.btn-danger-ghost:hover {
  background: var(--color-danger-bg);
}

/* =========================================
   LAYOUT PRINCIPAL
   ========================================= */
.main-container {
  max-width: 1200px;
  margin: 24px auto;
  padding: 0 16px;
}

/* =========================================
   MÉTRICAS DO TOPO
   ========================================= */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.metric-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 18px 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  box-shadow: var(--shadow);
}

.metric-label {
  font-size: 13px;
  color: var(--text-muted);
  font-weight: 500;
}

.metric-value {
  font-size: 28px;
  font-weight: 700;
}

.metric-winning .metric-value {
  color: var(--color-success);
}

.metric-losing .metric-value {
  color: var(--color-danger);
}

/* =========================================
   BARRA DE FILTROS E BUSCA
   ========================================= */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 24px;
}

.filter-tabs {
  display: flex;
  gap: 8px;
}

.filter-tab {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s;
}

.filter-tab:hover {
  color: var(--text-main);
  background: var(--bg-card-hover);
}

.filter-tab.active {
  background: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
}

.filter-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.search-box input {
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  padding: 8px 14px;
  font-size: 14px;
  min-width: 240px;
}
.search-box input:focus {
  outline: none;
  border-color: var(--border-focus);
}

.sort-select {
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  padding: 8px 12px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
}
.sort-select:focus {
  outline: none;
  border-color: var(--border-focus);
}

/* =========================================
   CONTROLES DO MODAL DO GRÁFICO
   ========================================= */
.chart-header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.period-switcher {
  display: flex;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 2px;
  gap: 2px;
}

.period-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 12px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.15s;
}

.period-btn:hover {
  color: var(--text-main);
}

.period-btn.active {
  background: var(--color-primary);
  color: white;
}

/* =========================================
   CARDS DE PRODUTOS
   ========================================= */
.products-grid {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.product-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 20px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: border-color 0.15s;
}
.product-card:hover {
  border-color: #475569;
}

.card-top {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.prod-details {
  display: flex;
  gap: 16px;
  align-items: center;
  flex: 1;
  min-width: 300px;
}

.prod-thumb {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-md);
  object-fit: cover;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
}

.prod-info h2 {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 4px;
}

.prod-meta {
  font-size: 13px;
  color: var(--text-muted);
  display: flex;
  gap: 12px;
}

.card-pricing-badge {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 6px;
}

.price-box {
  display: flex;
  align-items: baseline;
  gap: 6px;
}

.price-label {
  font-size: 12px;
  color: var(--text-muted);
  text-transform: uppercase;
}

.my-price {
  font-size: 24px;
  font-weight: 700;
  color: var(--text-main);
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  font-size: 12px;
  font-weight: 600;
  border-radius: 9999px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.badge-success {
  background: var(--color-success-bg);
  color: var(--color-success);
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.badge-danger {
  background: var(--color-danger-bg);
  color: var(--color-danger);
  border: 1px solid rgba(239, 68, 68, 0.3);
}

.badge-warning {
  background: var(--color-warning-bg);
  color: var(--color-warning);
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.badge-secondary {
  background: rgba(148, 163, 184, 0.1);
  color: var(--text-muted);
  border: 1px solid var(--border-color);
}

.gap-indicator {
  font-size: 12px;
  font-weight: 500;
}
.gap-indicator.danger {
  color: var(--color-danger);
}
.gap-indicator.success {
  color: var(--color-success);
}

/* =========================================
   TABELA DE CONCORRENTES DENTRO DO CARD
   ========================================= */
.competitors-section {
  background: rgba(15, 23, 42, 0.5);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 12px 16px;
}

.comp-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.comp-header h4 {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.competitors-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.competitors-table th {
  text-align: left;
  padding: 8px 12px;
  color: var(--text-dim);
  font-weight: 500;
  border-bottom: 1px solid var(--border-color);
}

.competitors-table td {
  padding: 10px 12px;
  border-bottom: 1px solid rgba(51, 65, 85, 0.5);
  vertical-align: middle;
}

.competitors-table tr:last-child td {
  border-bottom: none;
}

.platform-pill {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  background: #1e293b;
  color: #94a3b8;
  display: inline-block;
}
.platform-shopee {
  background: rgba(238, 77, 45, 0.15);
  color: #ee4d2d;
}
.platform-mercadolivre {
  background: rgba(254, 230, 0, 0.15);
  color: #ffe600;
}
.platform-amazon {
  background: rgba(255, 153, 0, 0.15);
  color: #ff9900;
}

.comp-price-col {
  font-weight: 600;
  font-size: 14px;
}

.diff-tag {
  font-size: 12px;
  font-weight: 600;
}
.diff-cheaper {
  color: var(--color-danger); /* Concorrente mais barato é sinal de alerta */
}
.diff-expensive {
  color: var(--color-success); /* Concorrente mais caro é sinal positivo */
}

/* Card Actions Footer */
.card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 8px;
  border-top: 1px solid var(--border-color);
}

/* =========================================
   MODAIS
   ========================================= */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  z-index: 1000;
  backdrop-filter: blur(4px);
}

.modal-overlay.hidden {
  display: none;
}

.modal-box {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 520px;
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.5);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.modal-lg {
  max-width: 780px;
}

.modal-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-header h3 {
  font-size: 17px;
  font-weight: 600;
}

.modal-subtitle {
  font-size: 13px;
  color: var(--text-muted);
}

.modal-close {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 24px;
  cursor: pointer;
  line-height: 1;
}
.modal-close:hover {
  color: var(--text-main);
}

.modal-form {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

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

.form-group label {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-muted);
}

.form-group input {
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  padding: 10px 12px;
  font-size: 14px;
}
.form-group input:focus {
  outline: none;
  border-color: var(--border-focus);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.input-with-button {
  display: flex;
  gap: 8px;
}
.input-with-button input {
  flex: 1;
}

/* Box de Preview Instantâneo */
.preview-box {
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.preview-box.hidden {
  display: none;
}

.preview-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.preview-badge {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--color-primary);
}

.preview-status {
  font-size: 12px;
  color: var(--color-success);
  font-weight: 500;
}

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

.preview-thumb {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-sm);
  object-fit: cover;
  background: #000;
}
.preview-thumb.hidden {
  display: none;
}

.preview-info h4 {
  font-size: 14px;
  font-weight: 600;
  line-height: 1.3;
}

.preview-shop {
  font-size: 12px;
  color: var(--text-muted);
}

.preview-price-tag {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-success);
  margin-top: 4px;
}

.modal-footer {
  padding: 16px 20px;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  background: rgba(15, 23, 42, 0.4);
}

/* Gráfico */
.chart-wrapper {
  padding: 20px;
  min-height: 320px;
  position: relative;
}

.loading-state, .empty-state {
  text-align: center;
  padding: 48px;
  color: var(--text-muted);
  background: var(--bg-card);
  border: 1px dashed var(--border-color);
  border-radius: var(--radius-lg);
}

/* =========================================
   ATUALIZAÇÃO DO SISTEMA (MODAL)
   ========================================= */
.update-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-success, #22c55e);
  margin-left: 4px;
}

.update-dot.hidden {
  display: none;
}

.system-info-box {
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 13px;
}

.system-meta-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--text-muted);
}

.system-meta-row code {
  background: #1e293b;
  color: #e2e8f0;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  font-size: 12px;
}

.system-status-msg {
  font-size: 13px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  background: rgba(51, 65, 85, 0.35);
  color: var(--text-main);
  border: 1px solid var(--border-color);
}

.system-status-msg.has-update {
  background: rgba(34, 197, 94, 0.12);
  border-color: rgba(34, 197, 94, 0.4);
  color: #86efac;
}

.system-status-msg.is-error {
  background: rgba(239, 68, 68, 0.12);
  border-color: rgba(239, 68, 68, 0.4);
  color: #fca5a5;
}

.system-commits-list {
  list-style: none;
  margin: 0;
  padding: 10px 12px;
  background: rgba(15, 23, 42, 0.7);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  max-height: 160px;
  overflow-y: auto;
  font-size: 12px;
  font-family: monospace;
  color: #cbd5e1;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.system-commits-list.hidden {
  display: none;
}

.mode-switcher {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  background: rgba(15, 23, 42, 0.6);
  padding: 4px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
}

.mode-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s ease;
}

.mode-btn.active {
  background: var(--color-primary, #6366f1);
  color: #ffffff;
}

.form-hint {
  font-size: 12px;
  color: var(--text-dim);
}

.form-hint.is-success {
  color: #86efac;
}

.form-hint.is-error {
  color: #fca5a5;
}

.own-link-anchor {
  color: #818cf8;
  text-decoration: none;
  font-weight: 500;
}

.own-link-anchor:hover {
  text-decoration: underline;
}

/* =========================================
   LAYOUT LATERAL (PADRÃO AFILIADOS BOT)
   ========================================= */
.app-layout {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: 245px;
  flex-shrink: 0;
  background-color: var(--bg-card);
  border-right: 1px solid var(--border-color);
  padding: 20px 16px;
  display: flex;
  flex-direction: column;
  gap: 24px;
  position: sticky;
  top: 0;
  height: 100vh;
}

.nav-menu {
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 1;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 10px 12px;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  background: transparent;
  color: var(--text-muted);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  text-align: left;
  transition: all 0.15s ease;
}

.nav-link:hover {
  background: rgba(51, 65, 85, 0.35);
  color: var(--text-main);
}

.nav-link.active {
  background: rgba(99, 102, 241, 0.16);
  border-color: rgba(99, 102, 241, 0.4);
  color: #ffffff;
}

.nav-icon {
  font-size: 16px;
}

.sidebar-footer {
  border-top: 1px solid var(--border-color);
  padding-top: 14px;
  font-size: 12px;
  color: var(--text-dim);
}

.sidebar-footer .version {
  margin-top: 2px;
  color: var(--text-muted);
  font-family: monospace;
}

.main-content {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.top-bar {
  background-color: var(--bg-card);
  border-bottom: 1px solid var(--border-color);
  padding: 16px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  position: sticky;
  top: 0;
  z-index: 90;
}

.header-title h2 {
  font-size: 19px;
  font-weight: 700;
}

.top-bar-desc {
  font-size: 13px;
  color: var(--text-muted);
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
}

/* =========================================
   CONFIGURAÇÕES (.env)
   ========================================= */
.settings-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.settings-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.settings-card h3 {
  font-size: 16px;
  font-weight: 600;
}

.settings-card-desc {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: -6px;
}

.settings-card-full {
  grid-column: 1 / -1;
}

.checkbox-row {
  padding: 10px 12px;
  background: rgba(15, 23, 42, 0.5);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
}

.toggle-label {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  font-size: 13px;
  color: var(--text-main);
}

.cron-presets {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 6px;
}

.settings-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.env-readonly-info {
  display: flex;
  gap: 16px;
  font-size: 13px;
  color: var(--text-muted);
}

.env-readonly-info code {
  background: #1e293b;
  color: #e2e8f0;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
}

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

/* Responsividade Mobile */
@media (max-width: 900px) {
  .app-layout {
    flex-direction: column;
  }
  .sidebar {
    width: 100%;
    height: auto;
    position: static;
    border-right: none;
    border-bottom: 1px solid var(--border-color);
    padding: 14px 16px;
    gap: 12px;
  }
  .nav-menu {
    flex-direction: row;
    overflow-x: auto;
  }
  .nav-link {
    width: auto;
    white-space: nowrap;
  }
  .sidebar-footer {
    display: none;
  }
  .settings-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .top-bar {
    flex-direction: column;
    align-items: stretch;
    padding: 14px 16px;
  }
  .header-actions {
    justify-content: space-between;
    flex-wrap: wrap;
  }
  .card-top {
    flex-direction: column;
  }
  .card-pricing-badge {
    align-items: flex-start;
  }
  .form-row {
    grid-template-columns: 1fr;
  }
}