:root {
  --bg: #0f1115;
  --panel: #171a21;
  --border: #2a2e37;
  --text: #e6e8eb;
  --muted: #9aa1ac;
  --accent: #4f8cff;
  --danger: #ff6b6b;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f5f6f8;
    --panel: #ffffff;
    --border: #e0e2e7;
    --text: #1a1d23;
    --muted: #5f6572;
    --accent: #2f6fed;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
}

header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
  justify-content: space-between;
}

h1 { font-size: 1.3rem; margin: 0; }

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

.brand-logo {
  height: 32px;
  max-width: 140px;
  object-fit: contain;
}

.toolbar { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }

input, button, select {
  font: inherit;
  padding: 8px 12px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--text);
}

button {
  cursor: pointer;
}

button:hover { border-color: var(--accent); }

.tabs {
  display: flex;
  gap: 4px;
  padding: 10px 24px 0;
  border-bottom: 1px solid var(--border);
}

.tab-btn {
  border: none;
  border-radius: 8px 8px 0 0;
  background: transparent;
  color: var(--muted);
  padding: 8px 16px;
  position: relative;
  top: 1px;
}

.tab-btn:hover { color: var(--text); border-color: transparent; }

.tab-btn.active {
  color: var(--text);
  background: var(--panel);
  border: 1px solid var(--border);
  border-bottom: 1px solid var(--panel);
}

.tab-panel[hidden] { display: none; }

main { padding: 16px 24px 40px; }

.status {
  color: var(--muted);
  font-size: 0.9rem;
  margin-bottom: 12px;
  min-height: 1.2em;
}

.status.error { color: var(--danger); }

.hint {
  color: var(--muted);
  font-size: 0.8rem;
  margin: -6px 0 10px;
}

.editable {
  cursor: text;
  border-bottom: 1px dashed transparent;
}

.editable:hover {
  border-bottom-color: var(--accent);
}

.editable input {
  width: 100%;
  padding: 2px 4px;
  font: inherit;
}

table {
  width: 100%;
  border-collapse: collapse;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
}

th, td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  font-size: 0.9rem;
  white-space: nowrap;
}

th {
  color: var(--text);
  font-weight: 700;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

th[data-sort] {
  cursor: pointer;
  user-select: none;
}

th[data-sort]:hover { color: var(--text); }

th[data-sort].sorted { color: var(--accent); }

th[data-sort] .sort-indicator {
  display: inline-block;
  width: 1em;
  opacity: 0.7;
}

tbody tr:hover { background: rgba(127, 127, 127, 0.08); }

.stale { color: var(--danger); }

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
  padding: 16px;
}

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

.modal {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
  width: 100%;
  max-width: 360px;
}

.modal h2 { margin: 0 0 8px; font-size: 1.05rem; }
.modal p { margin: 0 0 12px; color: var(--muted); font-size: 0.85rem; }
.modal input { width: 100%; }
.modal-actions { margin-top: 14px; display: flex; justify-content: flex-end; gap: 8px; }

.danger-btn {
  background: var(--danger);
  border-color: var(--danger);
  color: #fff;
}

.danger-btn:hover { opacity: 0.9; border-color: var(--danger); }

.delete-btn {
  background: transparent;
  border-color: transparent;
  color: var(--muted);
  padding: 4px 8px;
}

.delete-btn:hover { color: var(--danger); border-color: var(--danger); }

/* Notificações */

.bell-wrapper { position: relative; }

#notif-bell { position: relative; }

.notif-badge {
  position: absolute;
  top: -6px;
  right: -6px;
  background: var(--danger);
  color: #fff;
  border-radius: 999px;
  font-size: 0.65rem;
  line-height: 1;
  padding: 3px 5px;
  min-width: 1em;
  text-align: center;
}

.notif-badge.level-10 { background: #eda100; }
.notif-badge.level-20 { background: #eb6834; }
.notif-badge.level-30 { background: var(--danger); }

.notif-panel {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  width: 320px;
  max-height: 400px;
  overflow-y: auto;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.35);
  z-index: 20;
}

.notif-panel[hidden] { display: none; }

.notif-panel h3 { margin: 0 0 10px; font-size: 0.95rem; }

.notif-group { margin-bottom: 12px; }
.notif-group:last-child { margin-bottom: 0; }

.notif-group h4 {
  margin: 0 0 6px;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.notif-group.level-10 h4 { color: #eda100; }
.notif-group.level-20 h4 { color: #eb6834; }
.notif-group.level-30 h4 { color: var(--danger); }

.notif-item {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  font-size: 0.85rem;
  padding: 4px 0;
}

.notif-item .notif-days { color: var(--muted); white-space: nowrap; }

.notif-empty { color: var(--muted); font-size: 0.85rem; }

/* Relatórios */

.report-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
}

.report-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px;
}

.report-card h3 {
  margin: 0 0 14px;
  font-size: 0.95rem;
  color: var(--text);
}

.bar-chart {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.bar-row {
  display: grid;
  grid-template-columns: minmax(70px, 35%) 1fr auto;
  align-items: center;
  gap: 8px;
}

.bar-row .bar-label {
  font-size: 0.8rem;
  color: var(--muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.bar-row .bar-track {
  background: rgba(127, 127, 127, 0.12);
  border-radius: 4px;
  height: 20px;
  position: relative;
}

.bar-row .bar-fill {
  height: 100%;
  max-height: 24px;
  background: var(--accent);
  border-radius: 0 4px 4px 0;
  min-width: 2px;
}

.bar-row .bar-value {
  font-size: 0.8rem;
  color: var(--text);
  font-variant-numeric: tabular-nums;
  min-width: 1.5em;
  text-align: right;
}

.empty-note {
  color: var(--muted);
  font-size: 0.85rem;
}

/* Empresas */

.company-form {
  display: flex;
  gap: 8px;
  margin-bottom: 14px;
}

.company-form input { flex: 1; max-width: 320px; }

.secret-box {
  background: var(--panel);
  border: 1px solid var(--accent);
  border-radius: 10px;
  padding: 14px 16px;
  margin-bottom: 16px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.secret-box p { margin: 0; width: 100%; font-size: 0.85rem; }

.secret-box code {
  background: rgba(127, 127, 127, 0.15);
  padding: 6px 10px;
  border-radius: 6px;
  font-size: 0.85rem;
  word-break: break-all;
}

/* Login */

.login-screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
}

.login-screen[hidden] { display: none; }

.login-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 32px;
  width: 100%;
  max-width: 340px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.login-card .brand-logo { align-self: center; height: 48px; max-width: 220px; margin-bottom: 4px; }
.login-card h1 { font-size: 1.2rem; margin: 0 0 4px; text-align: center; }
.login-card .hint { text-align: center; margin: 0 0 10px; }
.login-card input { width: 100%; }
.login-card button { margin-top: 4px; background: var(--accent); border-color: var(--accent); color: #fff; }
.login-card button:hover { opacity: 0.9; }

.whoami {
  color: var(--muted);
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  line-height: 1;
  white-space: nowrap;
}

/* Exportação */

.machines-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.export-buttons { display: flex; gap: 8px; }

/* Empresas: logos e credenciais */

.logo-uploader {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 16px;
  padding: 14px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
}

.logo-preview {
  width: 56px;
  height: 56px;
  border-radius: 8px;
  border: 1px dashed var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  flex-shrink: 0;
  color: var(--muted);
  font-size: 0.7rem;
  text-align: center;
}

.logo-preview img { width: 100%; height: 100%; object-fit: contain; }

.company-logo-thumb {
  width: 32px;
  height: 32px;
  border-radius: 6px;
  object-fit: contain;
  background: rgba(127, 127, 127, 0.1);
}

.company-login-btn {
  background: transparent;
  color: var(--accent);
  border-color: transparent;
  font-size: 0.8rem;
  padding: 4px 8px;
}

.company-login-btn:hover { border-color: var(--accent); }

/* Impressão (usado pelo botão "Exportar PDF") */

#print-area { display: none; }

@media print {
  body * { visibility: hidden; }
  #print-area, #print-area * { visibility: visible; }
  #print-area {
    display: block !important;
    position: absolute;
    inset: 0;
    padding: 0;
    background: #fff;
  }
  #print-area table { border: none; width: 100%; border-collapse: collapse; }
  #print-area th, #print-area td { color: #000; border: 1px solid #ccc; padding: 6px 8px; font-size: 11px; }
  #print-area h2 { color: #000; }
  #print-area .print-header { display: flex; align-items: center; gap: 12px; margin-bottom: 4px; }
  #print-area .print-header img { height: 40px; max-width: 180px; object-fit: contain; }
}