:root {
  --color-bg: #f4f6f8;
  --color-surface: #ffffff;
  --color-border: #e2e6ea;
  --color-text: #1a2332;
  --color-text-muted: #64748b;
  --color-primary: #123a5e;
  --color-primary-dark: #071a2e;
  --color-accent: #29c1e0;
  --color-normal: #16a34a;
  --color-atencao: #d97706;
  --color-critico: #dc2626;
  --radius: 10px;
  --shadow: 0 1px 3px rgba(15, 23, 42, 0.08), 0 1px 2px rgba(15, 23, 42, 0.06);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

.hidden { display: none !important; }

/* Login */
.login-screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
  padding: 24px;
}
.login-card {
  background: var(--color-surface);
  border-radius: 14px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.35);
  padding: 36px 36px 28px;
  width: 100%;
  max-width: 420px;
  text-align: center;
}
.login-logo { height: 40px; margin-bottom: 10px; }
.login-subtitle { color: var(--color-text-muted); font-size: 13px; margin: 0 0 22px; }
.login-form { display: flex; flex-direction: column; gap: 14px; text-align: left; }
.login-form .field select, .login-form .field input { width: 100%; }
.login-hint { margin: 0; font-size: 12px; }
.login-submit { width: 100%; padding: 11px; margin-top: 4px; }
.login-error {
  margin-top: 16px; padding: 10px 12px; border-radius: 8px;
  background: rgba(220,38,38,0.08); color: #991b1b; font-size: 13px;
}
.login-message-success { background: rgba(22,163,74,0.1); color: #15803d; }

/* Topbar */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
  color: #fff;
  padding: 14px 28px;
}

.brand { display: flex; align-items: center; gap: 14px; }

.brand-logo { height: 34px; width: auto; display: block; }

.brand-text { display: flex; flex-direction: column; line-height: 1.2; padding-left: 14px; border-left: 1px solid rgba(255,255,255,0.25); }
.brand-text span { font-size: 12px; color: #cfe3f5; }

.topbar-actions { display: flex; align-items: center; gap: 16px; }

.session-info { display: flex; flex-direction: column; font-size: 11px; color: #cfe3f5; gap: 2px; text-align: right; }
.session-info strong { font-size: 13px; color: #fff; }

/* Tabs */
.tabs {
  display: flex;
  gap: 4px;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding: 0 24px;
}

.tab-btn {
  border: none;
  background: transparent;
  padding: 14px 18px;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text-muted);
  cursor: pointer;
  border-bottom: 3px solid transparent;
}
.tab-btn:hover { color: var(--color-text); }
.tab-btn.active {
  color: var(--color-primary);
  border-bottom-color: var(--color-accent);
  font-weight: 600;
}

/* Main */
#viewRoot { max-width: 1200px; margin: 0 auto; padding: 24px; }

.filters-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 16px 20px;
  margin-bottom: 20px;
  box-shadow: var(--shadow);
}

.field { display: flex; flex-direction: column; gap: 5px; font-size: 12px; color: var(--color-text-muted); }
.field span { font-weight: 600; text-transform: uppercase; letter-spacing: 0.3px; font-size: 11px; }
.field select, .field input {
  padding: 8px 10px;
  border-radius: 7px;
  border: 1px solid var(--color-border);
  font-size: 14px;
  min-width: 180px;
  font-family: inherit;
  color: var(--color-text);
  background: #fff;
}
.field-wide { min-width: 100%; }
.field select:disabled { background: #f1f3f5; color: #94a3b8; }

.cards-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 16px; margin-bottom: 20px; }

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 18px 20px;
  box-shadow: var(--shadow);
}
.card .card-value { font-size: 28px; font-weight: 800; line-height: 1.1; }
.card .card-label { font-size: 12px; color: var(--color-text-muted); margin-top: 4px; text-transform: uppercase; letter-spacing: 0.3px; }
.card.card-normal .card-value { color: var(--color-normal); }
.card.card-atencao .card-value { color: var(--color-atencao); }
.card.card-critico .card-value { color: var(--color-critico); }

.panel {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 20px;
  box-shadow: var(--shadow);
}
.narrow-panel { max-width: 720px; margin-left: auto; margin-right: auto; }

.panel-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; }
.panel-header h2 { margin: 0; font-size: 17px; }

.chart-panel .chart-wrap { height: 380px; position: relative; }

.hint { color: var(--color-text-muted); font-size: 13px; margin-top: -6px; margin-bottom: 18px; }

/* Tables */
.table-wrap { overflow-x: auto; }
.data-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.data-table th {
  text-align: left;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.3px;
  color: var(--color-text-muted);
  padding: 10px 12px;
  border-bottom: 2px solid var(--color-border);
}
.data-table td { padding: 11px 12px; border-bottom: 1px solid var(--color-border); }
.data-table tbody tr:hover { background: #f8fafc; cursor: pointer; }

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
}
.status-badge::before { content: ''; width: 7px; height: 7px; border-radius: 50%; background: currentColor; }
.status-badge.normal { background: rgba(22,163,74,0.1); color: var(--color-normal); }
.status-badge.atencao { background: rgba(217,119,6,0.1); color: var(--color-atencao); }
.status-badge.critico { background: rgba(220,38,38,0.1); color: var(--color-critico); }
.status-badge.sem-dados { background: #f1f5f9; color: #94a3b8; }

/* Buttons */
.btn {
  padding: 9px 16px;
  border-radius: 8px;
  border: 1px solid transparent;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
}
.btn-primary { background: var(--color-primary); color: #fff; }
.btn-primary:hover { background: var(--color-primary-dark); }
.btn-ghost { background: rgba(255,255,255,0.1); color: #fff; border-color: rgba(255,255,255,0.35); }
.btn-ghost:hover { background: rgba(255,255,255,0.2); }
.btn-danger { background: #fff; color: var(--color-critico); border-color: #fecaca; }
.btn-danger:hover { background: #fef2f2; }
.btn-small { padding: 5px 10px; font-size: 12px; }
.btn-dark-outline { background: #fff; color: var(--color-primary); border-color: #cbd5e1; }
.btn-dark-outline:hover { background: #f8fafc; }

/* Upload */
.upload-form { display: flex; flex-direction: column; align-items: flex-start; gap: 16px; margin-bottom: 6px; }

.upload-processing {
  display: flex; align-items: center; gap: 12px;
  margin-top: 20px; padding: 16px; background: #f1f5f9; border-radius: 8px;
  font-size: 14px; color: var(--color-text-muted);
}
.spinner {
  width: 20px; height: 20px; border-radius: 50%;
  border: 3px solid #cbd5e1; border-top-color: var(--color-primary);
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.upload-error {
  margin-top: 16px; padding: 14px 16px;
  background: rgba(220,38,38,0.08); color: #991b1b;
  border-radius: 8px; font-size: 14px;
}

.review-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }

.review-confirm-bar { display: flex; justify-content: flex-end; gap: 10px; }

.upload-success {
  margin-top: 4px; padding: 14px 16px;
  background: rgba(22,163,74,0.1); color: #15803d;
  border-radius: 8px; font-size: 14px; font-weight: 500;
  border: 1px solid rgba(22,163,74,0.2);
}

/* Condição — badges */
.cond-badge {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 10px; border-radius: 999px; font-size: 12px; font-weight: 600;
}
.cond-badge::before { content: ''; width: 7px; height: 7px; border-radius: 50%; background: currentColor; }
.cond-badge.cond-normal { background: rgba(22,163,74,0.1); color: var(--color-normal); }
.cond-badge.cond-alerta { background: rgba(217,119,6,0.1); color: var(--color-atencao); }
.cond-badge.cond-perigo { background: rgba(220,38,38,0.1); color: var(--color-critico); }
.cond-badge.cond-critico { background: rgba(153,27,27,0.12); color: #991b1b; }
.cond-badge.cond-parado { background: #f1f5f9; color: #64748b; }
.cond-badge.cond-nao-monitorado { background: #f1f5f9; color: #94a3b8; }
.cond-badge.cond-sem-dados { background: #f1f5f9; color: #94a3b8; }

.chart-empty-hint { text-align: center; margin-top: 12px; margin-bottom: 0; }

/* Legenda da revisão de upload */
.legend-row { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 16px; }
.legend-chip { font-size: 12px; padding: 4px 10px; border-radius: 999px; font-weight: 600; }
.legend-chip.legend-existing { background: rgba(13,148,136,0.1); color: #0d9488; }
.legend-chip.legend-new { background: rgba(41,193,224,0.12); color: #0e7ea3; }
.legend-chip.legend-maybe { background: rgba(217,119,6,0.12); color: #d97706; }

/* Cartões de equipamento extraído */
.group-card {
  border: 1px solid var(--color-border); border-left: 4px solid var(--color-border);
  border-radius: 8px; padding: 14px 16px; margin-bottom: 14px;
}
.group-card.status-existing { border-left-color: #0d9488; }
.group-card.status-new { border-left-color: #0e7ea3; }
.group-card.status-maybe { border-left-color: #d97706; }

.group-card-header { display: flex; flex-wrap: wrap; align-items: flex-end; gap: 12px; margin-bottom: 10px; }
.badge-status {
  font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.3px;
  padding: 5px 10px; border-radius: 6px; background: #f1f5f9; color: var(--color-text-muted);
  align-self: center;
}
.status-existing .badge-status { background: rgba(13,148,136,0.1); color: #0d9488; }
.status-new .badge-status { background: rgba(41,193,224,0.12); color: #0e7ea3; }
.status-maybe .badge-status { background: rgba(217,119,6,0.12); color: #d97706; }

.dup-alert {
  background: rgba(217,119,6,0.08); border: 1px solid rgba(217,119,6,0.25);
  border-radius: 8px; padding: 10px 14px; margin-bottom: 12px; font-size: 13px; color: #92400e;
}
.dup-score { color: #b45309; font-size: 12px; }
.dup-actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 8px; }
.dup-choice { background: #fff; border: 1px solid #e2c08d; color: #92400e; }
.dup-choice.active { background: #d97706; color: #fff; border-color: #d97706; }

.component-mini-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.component-mini-table th {
  text-align: left; font-size: 10px; text-transform: uppercase; color: var(--color-text-muted);
  padding: 6px 8px; border-bottom: 1px solid var(--color-border);
}
.component-mini-table td { padding: 6px 8px; border-bottom: 1px solid var(--color-border); vertical-align: middle; }
.component-mini-table input, .component-mini-table select {
  width: 100%; padding: 6px 8px; border-radius: 6px; border: 1px solid var(--color-border); font-size: 13px; font-family: inherit;
}

/* Modal de componentes / histórico de um equipamento */
.component-detail-list { max-height: 50vh; overflow-y: auto; margin-bottom: 14px; }
.component-detail-card { border: 1px solid var(--color-border); border-radius: 8px; padding: 10px 12px; margin-bottom: 10px; }
.component-detail-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 8px; }
.add-component-row { display: flex; gap: 8px; margin-bottom: 8px; }
.add-component-row input { flex: 1; padding: 8px 10px; border-radius: 7px; border: 1px solid var(--color-border); font-family: inherit; }
.page-image-row td { padding: 10px 8px; }
.detail-page-img { max-width: 100%; border-radius: 6px; border: 1px solid var(--color-border); }

/* Modal */
dialog#modal {
  border: none; border-radius: var(--radius); padding: 0;
  box-shadow: 0 20px 50px rgba(0,0,0,0.25);
  width: 100%; max-width: 640px;
  max-height: 85vh; overflow-y: auto;
}
dialog#modal::backdrop { background: rgba(15, 23, 42, 0.45); }
.modal-form { padding: 22px 26px; }
.modal-form h3 { margin-top: 0; }
.modal-field { display: flex; flex-direction: column; gap: 5px; margin-bottom: 14px; font-size: 13px; }
.modal-field label { font-weight: 600; color: var(--color-text-muted); font-size: 11px; text-transform: uppercase; }
.modal-field input, .modal-field select {
  padding: 9px 10px; border-radius: 7px; border: 1px solid var(--color-border); font-size: 14px; font-family: inherit;
}
.modal-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 18px; }

/* Footer */
.footer {
  text-align: center;
  padding: 16px 20px;
  font-size: 12px;
  color: var(--color-text-muted);
  border-top: 1px solid var(--color-border);
  background: var(--color-surface);
}

/* Responsive */
@media (max-width: 768px) {
  .topbar { flex-direction: column; align-items: flex-start; gap: 12px; }
  .session-info { text-align: left; }
  .tabs { overflow-x: auto; }
  .login-card { padding: 28px 22px 22px; }
  .review-grid { grid-template-columns: 1fr; }
  #viewRoot { padding: 16px; }
}