:root {
  --surface-1: #fcfcfb;
  --page-plane: #f9f9f7;
  --text-primary: #0b0b0b;
  --text-secondary: #52514e;
  --text-muted: #898781;
  --gridline: #e1e0d9;
  --baseline: #c3c2b7;
  --border: rgba(11, 11, 11, 0.10);
  --series-1: #2a78d6;
  --status-good: #0ca30c;
  --status-critical: #d03b3b;
  --meter-track: #cde2fb;
  --brand-primary: #2a78d6;
  --brand-accent: #1baf7a;
}

@media (prefers-color-scheme: dark) {
  :root {
    --surface-1: #1a1a19;
    --page-plane: #0d0d0d;
    --text-primary: #ffffff;
    --text-secondary: #c3c2b7;
    --text-muted: #898781;
    --gridline: #2c2c2a;
    --baseline: #383835;
    --border: rgba(255, 255, 255, 0.10);
    --series-1: #3987e5;
    --meter-track: #184f95;
    --brand-primary: #3987e5;
    --brand-accent: #199e70;
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  background: var(--page-plane);
  color: var(--text-primary);
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 24px;
  background: var(--surface-1);
  border-bottom: 1px solid var(--border);
}

.topbar .brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  color: var(--text-primary);
  text-decoration: none;
}

.brand-mark {
  color: var(--brand-accent);
}

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

.topbar nav a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 14px;
}

.topbar nav a:hover {
  color: var(--text-primary);
}

.logout-form {
  display: inline;
  margin: 0;
}

.link-button {
  background: none;
  border: none;
  padding: 0;
  margin: 0;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 14px;
  font-family: inherit;
  cursor: pointer;
}

.link-button:hover {
  color: var(--text-primary);
}

.topbar .user {
  color: var(--text-muted);
  font-size: 14px;
}

main {
  padding: 24px;
  max-width: 1200px;
  margin: 0 auto;
}

h1 {
  font-size: 22px;
  margin-bottom: 16px;
}

.device-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 20px;
}

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

.device-card header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 4px;
}

.device-card h2 {
  font-size: 16px;
  margin: 0;
}

.device-card .location {
  color: var(--text-muted);
  font-size: 13px;
  margin: 0 0 12px 0;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--text-secondary);
  background: var(--page-plane);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 3px 10px 3px 8px;
}

.badge::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--text-muted);
}

.badge.online::before {
  background: var(--status-good);
}

.badge.offline::before {
  background: var(--status-critical);
}

.sensor-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 12px;
}

.sensor-card {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 12px;
}

.sensor-card-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
}

.sensor-card h3 {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  margin: 0 0 4px 0;
  text-transform: capitalize;
}

.sensor-card h3 .unit {
  color: var(--text-muted);
  font-weight: 400;
  text-transform: none;
}

.gadget-config-link {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 13px;
  line-height: 1;
}

.gadget-config-link:hover {
  color: var(--text-primary);
}

.sensor-value {
  font-size: 24px;
  font-weight: 600;
  margin-bottom: 4px;
}

.sensor-value-large {
  font-size: 36px;
  margin: 8px 0;
}

.sensor-card canvas {
  width: 100%;
  max-height: 120px;
}

/* --- Meter gadget --- */

.meter-track {
  width: 100%;
  height: 10px;
  border-radius: 999px;
  background: var(--meter-track);
  overflow: hidden;
}

.meter-fill {
  height: 100%;
  background: var(--series-1);
  border-radius: 999px;
  width: 0%;
  transition: width 0.3s ease;
}

/* --- LED gadget --- */

.led-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.led-dot {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--text-muted);
  flex-shrink: 0;
  transition: background 0.2s ease;
}

.led-dot.lit {
  background: var(--status-good);
  box-shadow: 0 0 8px var(--status-good);
}

/* --- Button gadget (control) --- */

.gadget-button {
  width: 100%;
  padding: 14px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--page-plane);
  color: var(--text-primary);
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
}

.gadget-button.lit {
  background: var(--status-good);
  border-color: var(--status-good);
  color: #fff;
}

.gadget-button.pending {
  opacity: 0.6;
  cursor: wait;
}

/* --- Slider gadget (control) --- */

.gadget-slider {
  width: 100%;
  accent-color: var(--series-1);
}

.empty-state {
  color: var(--text-secondary);
}

.empty-state a {
  color: var(--brand-primary);
}

.login-box {
  max-width: 320px;
  margin: 60px auto;
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 24px;
}

.login-box form {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.login-box label {
  font-size: 13px;
  color: var(--text-secondary);
  margin-top: 8px;
}

.login-box input {
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--page-plane);
  color: var(--text-primary);
}

.login-box button {
  margin-top: 16px;
  padding: 10px;
  border: none;
  border-radius: 6px;
  background: var(--brand-primary);
  color: #fff;
  font-weight: 600;
  cursor: pointer;
}

.login-box .error {
  color: var(--status-critical);
  font-size: 13px;
}

.login-logo-img {
  display: block;
  max-width: 120px;
  max-height: 64px;
  margin: 0 auto 16px auto;
}

/* --- Branding (logos, backgrounds, file inputs) --- */

.brand-logo-img {
  height: 24px;
  width: auto;
  max-width: 140px;
  object-fit: contain;
}

.branding-preview {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 16px;
  padding: 12px 16px;
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: 10px;
  max-width: 640px;
}

.branding-preview .brand-logo-img {
  height: 40px;
  max-width: 160px;
}

.branding-preview-bg {
  height: 60px;
  width: 100px;
  object-fit: cover;
  border-radius: 6px;
  border: 1px solid var(--border);
}

.product-type-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 12px;
  max-width: 900px;
}

.product-type-grid .branding-preview {
  max-width: none;
  flex-direction: column;
  align-items: flex-start;
}

.product-type-form {
  display: flex;
  flex-direction: column;
  gap: 8px;
  width: 100%;
}

.form-row input[type="file"] {
  padding: 8px 0;
  color: var(--text-secondary);
  font-size: 13px;
}

/* --- Page header + buttons --- */

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

.page-header h1 {
  margin: 0;
}

.btn,
.btn-secondary,
.btn-danger,
.btn-copy {
  display: inline-flex;
  align-items: center;
  border: none;
  border-radius: 6px;
  padding: 9px 16px;
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  text-decoration: none;
}

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

.btn-secondary {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border);
}

.btn-danger {
  background: transparent;
  color: var(--status-critical);
  border: 1px solid var(--status-critical);
  margin-top: 20px;
}

.btn-copy {
  background: var(--page-plane);
  color: var(--text-secondary);
  border: 1px solid var(--border);
  padding: 5px 10px;
  font-size: 12px;
}

.hint {
  color: var(--text-secondary);
  font-size: 14px;
  max-width: 640px;
  line-height: 1.5;
}

/* --- Messages --- */

.messages {
  list-style: none;
  margin: 0 0 16px 0;
  padding: 0;
}

.message {
  padding: 10px 14px;
  border-radius: 6px;
  margin-bottom: 8px;
  font-size: 14px;
  background: var(--surface-1);
  border: 1px solid var(--border);
  color: var(--text-primary);
}

.message.success {
  border-color: var(--status-good);
}

.message.error {
  border-color: var(--status-critical);
}

/* --- Product type tiles (filtro grande con ícono + conteo) --- */

.product-type-tiles {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 16px;
}

.product-type-tile {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  width: 120px;
  padding: 14px 10px;
  background: var(--surface-1);
  border: 2px solid var(--border);
  border-radius: 12px;
  cursor: pointer;
  font-family: inherit;
  color: var(--text-primary);
  text-align: center;
}

.product-type-tile:hover {
  border-color: var(--brand-primary);
}

.product-type-tile.active {
  border-color: var(--brand-primary);
  background: var(--page-plane);
}

.product-type-tile-icon {
  height: 48px;
  width: 48px;
  object-fit: contain;
}

.product-type-tile-icon--generic {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 48px;
  width: 48px;
  border-radius: 50%;
  background: var(--page-plane);
  color: var(--text-muted);
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
}

.product-type-tile-label {
  font-size: 13px;
  font-weight: 600;
}

.product-type-tile-count {
  font-size: 20px;
  font-weight: 700;
  color: var(--brand-primary);
}

/* --- List toolbar (filtros + orden) --- */

.list-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}

.list-toolbar label {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 12px;
  color: var(--text-muted);
  text-transform: uppercase;
}

.list-toolbar select {
  padding: 7px 10px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--surface-1);
  color: var(--text-primary);
  font-size: 14px;
  text-transform: none;
}

.list-toolbar .clear-filters {
  align-self: flex-end;
  font-size: 13px;
  color: var(--text-secondary);
}

/* --- Data table --- */

.table-wrap {
  overflow-x: auto;
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: 10px;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.data-table th,
.data-table td {
  text-align: left;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

.data-table th {
  color: var(--text-muted);
  font-weight: 500;
  font-size: 12px;
  text-transform: uppercase;
}

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

.data-table a {
  color: var(--brand-primary);
  text-decoration: none;
}

/* --- Generic form box (device add form) --- */

.form-box {
  max-width: 480px;
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px;
}

.form-row {
  margin-bottom: 14px;
}

.form-row label {
  display: block;
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 4px;
}

.form-row input {
  width: 100%;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--page-plane);
  color: var(--text-primary);
}

.field-help {
  font-size: 12px;
  color: var(--text-muted);
  margin: 4px 0 0 0;
}

/* --- Token / provisioning box --- */

.token-box {
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px 20px;
  max-width: 640px;
  margin-bottom: 24px;
}

.token-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}

.token-row:last-child {
  border-bottom: none;
}

.token-label {
  flex: 0 0 220px;
  color: var(--text-secondary);
  font-size: 13px;
}

.token-value {
  flex: 1 1 auto;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 13px;
  color: var(--text-primary);
  word-break: break-all;
}

/* --- Google Maps --- */

.map-canvas {
  width: 100%;
  height: 360px;
  border-radius: 10px;
  border: 1px solid var(--border);
  margin-bottom: 16px;
}

.map-canvas-large {
  height: 520px;
}

.map-info-window {
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  color: #0b0b0b;
  min-width: 160px;
}

.map-info-meta {
  color: #52514e;
  font-size: 12px;
}

.map-info-table {
  border-collapse: collapse;
  margin-top: 8px;
  font-size: 13px;
}

.map-info-table td {
  padding: 2px 8px 2px 0;
}

.map-info-table td:first-child {
  text-transform: capitalize;
  color: #52514e;
}

.map-info-table td:last-child {
  font-weight: 600;
}

.notice-box {
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px 20px;
  max-width: 640px;
  margin-bottom: 16px;
}

.notice-box h2 {
  font-size: 16px;
  margin: 0 0 8px 0;
}

.notice-box ol {
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.6;
  margin: 8px 0 0 0;
  padding-left: 20px;
}

.code-block {
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px 16px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 13px;
  overflow-x: auto;
  max-width: 640px;
}