:root {
  --color-bg: #f8fafc;
  --color-card: #ffffff;
  --color-border: #e5e7eb;
  --color-text: #111827;
  --color-text-secondary: #6b7280;
  --color-text-muted: #9ca3af;

  --color-brand: #6366f1;
  --color-brand-dark: #4f46e5;
  --color-brand-bg: #eef2ff;

  --color-success: #16a34a;
  --color-success-bg: #f0fdf4;
  --color-danger: #ef4444;
  --color-danger-bg: #fef2f2;
  --color-warning: #f97316;
  --color-purple: #7c3aed;
  --color-blue: #2563eb;

  --radius: 10px;
  --radius-sm: 8px;
  --shadow-sm: 0 1px 2px rgba(16, 24, 40, 0.04), 0 1px 3px rgba(16, 24, 40, 0.06);
  color-scheme: light;
}

:root[data-theme='dark'] {
  --color-bg: #0f1115;
  --color-card: #1a1d24;
  --color-border: #2b303b;
  --color-text: #f3f4f6;
  --color-text-secondary: #9ca3af;
  --color-text-muted: #6b7280;

  --color-brand: #818cf8;
  --color-brand-dark: #a5b4fc;
  --color-brand-bg: rgba(129, 140, 248, 0.16);

  --color-success: #34d399;
  --color-success-bg: rgba(52, 211, 153, 0.12);
  --color-danger: #f87171;
  --color-danger-bg: rgba(248, 113, 113, 0.12);
  --color-warning: #fb923c;
  --color-purple: #a78bfa;
  --color-blue: #60a5fa;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3), 0 1px 3px rgba(0, 0, 0, 0.35);
  color-scheme: dark;
}

:root[data-theme='dark'] .data-table thead th {
  background: #161920;
}

:root[data-theme='dark'] .data-table tbody tr:hover {
  background: #20242c;
}

:root[data-theme='dark'] .auth-shell {
  background: linear-gradient(160deg, rgba(129, 140, 248, 0.12) 0%, var(--color-bg) 55%);
}

:root[data-theme='dark'] .auth-card {
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.45);
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: 14px;
  -webkit-font-smoothing: antialiased;
  transition: background-color 0.15s ease, color 0.15s ease;
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background: var(--color-card);
  color: var(--color-text-secondary);
  cursor: pointer;
}

.theme-toggle:hover {
  color: var(--color-text);
  border-color: var(--color-text-muted);
}

.theme-toggle svg {
  width: 17px;
  height: 17px;
}

.theme-toggle .icon-moon {
  display: none;
}

:root[data-theme='dark'] .theme-toggle .icon-sun {
  display: none;
}

:root[data-theme='dark'] .theme-toggle .icon-moon {
  display: block;
}

a {
  color: inherit;
}

/* ---------- Topbar ---------- */

.topbar {
  background: var(--color-card);
  border-bottom: 1px solid var(--color-border);
  padding: 14px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 28px;
}

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

.brand-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--color-brand), var(--color-brand-dark));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  flex-shrink: 0;
}

.brand-icon svg {
  width: 20px;
  height: 20px;
}

.brand-title {
  font-weight: 700;
  font-size: 16px;
  color: var(--color-text);
  line-height: 1.2;
}

.brand-subtitle {
  font-size: 12px;
  color: var(--color-text-secondary);
}

.nav-links {
  display: flex;
  gap: 4px;
  margin-left: 28px;
}

.nav-link {
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  color: var(--color-text-secondary);
  text-decoration: none;
  font-weight: 500;
}

.nav-link:hover {
  background: var(--color-brand-bg);
  color: var(--color-brand-dark);
}

.nav-link.active {
  background: var(--color-brand-bg);
  color: var(--color-brand-dark);
}

.topbar-left {
  display: flex;
  align-items: center;
}

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

.topbar-user {
  font-size: 13px;
  color: var(--color-text-secondary);
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 600;
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  line-height: 1.2;
  background: none;
}

.btn-sm {
  padding: 6px 12px;
  font-size: 12.5px;
}

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

.btn-primary:hover {
  filter: brightness(0.92);
}

.btn-light {
  background: var(--color-brand-bg);
  color: var(--color-brand-dark);
}

.btn-light:hover {
  filter: brightness(0.96);
}

.btn-outline {
  background: var(--color-card);
  border-color: var(--color-border);
  color: var(--color-text-secondary);
}

.btn-outline:hover {
  background: var(--color-bg);
  border-color: var(--color-text-muted);
  color: var(--color-text);
}

/* ---------- Layout ---------- */

.page {
  padding: 0 28px 40px;
  max-width: 1400px;
  margin: 0 auto;
}

.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 20px;
}

.page-title {
  font-size: 20px;
  font-weight: 700;
  margin: 0;
}

.page-title .muted {
  font-size: 13px;
  font-weight: 500;
  color: var(--color-text-secondary);
  margin-left: 10px;
}

/* ---------- Alerts ---------- */

.alert {
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: 13.5px;
  margin-bottom: 20px;
}

.alert-danger {
  background: var(--color-danger-bg);
  color: #991b1b;
  border: 1px solid #fecaca;
}

/* ---------- Stat cards ---------- */

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 16px 18px;
  box-shadow: var(--shadow-sm);
}

.stat-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 8px;
}

.stat-value {
  font-size: 26px;
  font-weight: 700;
  color: var(--color-text);
  line-height: 1;
}

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

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

.stat-value.purple {
  color: var(--color-purple);
}

.stat-value.warning {
  color: var(--color-warning);
}

.stat-value.blue {
  color: var(--color-blue);
}

.stat-sub {
  font-size: 12px;
  color: var(--color-text-secondary);
  margin-top: 4px;
}

.stat-unit {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text-secondary);
  margin-left: 2px;
}

/* ---------- Cards ---------- */

.card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  margin-bottom: 24px;
  overflow: hidden;
}

.card-header {
  padding: 14px 20px;
  border-bottom: 1px solid var(--color-border);
  font-weight: 600;
  font-size: 14px;
}

.card-header-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.card-body {
  padding: 18px 20px;
}

/* ---------- Filters ---------- */

.filters-bar {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: flex-end;
  margin-bottom: 20px;
}

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

.field-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--color-text-secondary);
}

.input,
select.input {
  padding: 9px 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 13.5px;
  background: var(--color-card);
  color: var(--color-text);
  font-family: inherit;
}

.input:focus,
select.input:focus {
  outline: none;
  border-color: var(--color-brand);
  box-shadow: 0 0 0 3px var(--color-brand-bg);
}

/* ---------- Table ---------- */

.table-wrap {
  overflow-x: auto;
}

table.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13.5px;
}

.data-table thead th {
  background: #f9fafb;
  text-align: left;
  padding: 11px 20px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-text-muted);
  border-bottom: 1px solid var(--color-border);
  white-space: nowrap;
}

.data-table tbody td {
  padding: 12px 20px;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text);
  vertical-align: middle;
}

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

.data-table tbody tr:hover {
  background: #f9fafb;
}

.data-table .text-end {
  text-align: right;
}

.empty-row {
  text-align: center;
  color: var(--color-text-secondary);
  padding: 36px 20px !important;
}

/* ---------- Badges / status ---------- */

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  background: var(--color-brand-bg);
  color: var(--color-brand-dark);
}

.status-text {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 500;
}

.status-text .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: currentColor;
  flex-shrink: 0;
}

.status-text.success {
  color: var(--color-success);
}

.status-text.muted {
  color: var(--color-text-muted);
}

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

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

.small {
  font-size: 12px;
}

/* ---------- Login ---------- */

.auth-shell {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(160deg, #eef2ff 0%, var(--color-bg) 55%);
  padding: 20px;
}

.auth-card {
  width: 100%;
  max-width: 380px;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: 16px;
  box-shadow: 0 10px 30px rgba(79, 70, 229, 0.08);
  padding: 32px;
}

.auth-brand {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 12px;
  margin-bottom: 24px;
}

.auth-title {
  font-size: 18px;
  font-weight: 700;
  margin: 0;
}

.auth-subtitle {
  font-size: 13px;
  color: var(--color-text-secondary);
  margin: 0;
}

.form-group {
  margin-bottom: 16px;
}

.form-label {
  display: block;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--color-text-secondary);
  margin-bottom: 6px;
}

.form-control {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-family: inherit;
  background: var(--color-card);
  color: var(--color-text);
}

.form-control:focus {
  outline: none;
  border-color: var(--color-brand);
  box-shadow: 0 0 0 3px var(--color-brand-bg);
}

.w-100 {
  width: 100%;
}

/* ---------- Map ---------- */

#map {
  border-bottom-left-radius: var(--radius);
  border-bottom-right-radius: var(--radius);
}

.audio-marker {
  font-size: 18px;
  text-align: center;
  line-height: 24px;
  background: #fff3cd;
  border: 2px solid var(--color-danger);
  border-radius: 50%;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.4);
}

/* Clusters de audios reproducidos, en tono indigo para seguir la marca. */
.marker-cluster-small,
.marker-cluster-medium,
.marker-cluster-large {
  background-color: rgba(79, 70, 229, 0.65);
}

.marker-cluster-small div,
.marker-cluster-medium div,
.marker-cluster-large div {
  /* Color fijo (no ligado al tema): el mapa siempre usa tiles claros. */
  background-color: #4f46e5;
  color: #fff;
  font-weight: 700;
}

/* ---------- Misc ---------- */

.empty-state {
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  flex-direction: column;
  gap: 12px;
}

.empty-state h1 {
  font-size: 40px;
  margin: 0;
  color: var(--color-text);
}