:root {
  --bg: #0f1115;
  --panel: #171a21;
  --panel-2: #1e222b;
  --border: #2a2f3a;
  --text: #e7e9ee;
  --text-dim: #9aa1b1;
  --accent: #ff5a1f;
  --accent-2: #ffb020;
  --ok: #22c55e;
  --warn: #f59e0b;
  --danger: #ef4444;
  --radius: 10px;
  font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color-scheme: dark;
}

:root[data-theme="light"] {
  --bg: #f5f6f8;
  --panel: #ffffff;
  --panel-2: #f1f2f5;
  --border: #e2e4e9;
  --text: #14171f;
  --text-dim: #5b6272;
  color-scheme: light;
}

/* Chart palette (validated categorical set, fixed slot order) */
:root {
  --chart-blue: #3987e5;
  --chart-orange: #d95926;
  --chart-aqua: #199e70;
  --chart-yellow: #c98500;
  --chart-magenta: #d55181;
  --chart-green: #22a022;
  --chart-violet: #9085e9;
  --chart-other: #6b7280;
  --chart-grid: #2c2c2a;
  --chart-axis: #45494f;
}
:root[data-theme="light"] {
  --chart-blue: #2a78d6;
  --chart-orange: #eb6834;
  --chart-aqua: #1baf7a;
  --chart-yellow: #eda100;
  --chart-magenta: #e87ba4;
  --chart-green: #1a8a1a;
  --chart-violet: #4a3aa7;
  --chart-other: #9ca3af;
  --chart-grid: #e1e0d9;
  --chart-axis: #c3c2b7;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  transition: background-color .2s, color .2s;
}

a { color: var(--accent-2); }

.login-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.login-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  width: 100%;
  max-width: 360px;
  text-align: center;
}

.login-card h1 {
  font-size: 20px;
  margin: 0 0 4px;
}
.login-card p.sub {
  color: var(--text-dim);
  margin: 0 0 24px;
  font-size: 13px;
}

input[type="password"], input[type="text"], input[type="tel"], input[type="date"], input[type="number"], select, textarea {
  width: 100%;
  padding: 10px 12px;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-size: 14px;
  margin-bottom: 12px;
}
textarea { resize: vertical; min-height: 60px; }

button {
  cursor: pointer;
  border: none;
  border-radius: 8px;
  padding: 10px 16px;
  font-size: 14px;
  font-weight: 600;
  background: var(--accent);
  color: white;
  transition: filter .15s;
}
button:hover { filter: brightness(1.1); }
button.secondary {
  background: var(--panel-2);
  color: var(--text);
  border: 1px solid var(--border);
}
button.ghost {
  background: transparent;
  color: var(--text-dim);
  border: 1px solid var(--border);
}
button.small { padding: 6px 10px; font-size: 12px; }
button:disabled { opacity: .5; cursor: not-allowed; }

.error-msg {
  color: var(--danger);
  font-size: 13px;
  min-height: 18px;
  margin-top: -4px;
  margin-bottom: 8px;
}

header.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  border-bottom: 1px solid var(--border);
  background: var(--panel);
}
header.topbar h1 {
  font-size: 18px;
  margin: 0;
}
header.topbar .brand {
  display: flex;
  align-items: center;
  gap: 10px;
}
header.topbar .brand .logo {
  height: 80px;
  width: auto;
  display: block;
  border-radius: 4px;
}
header.topbar .header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}
.theme-toggle {
  background: var(--panel-2);
  border: 1px solid var(--border);
  color: var(--text);
  width: 34px;
  height: 34px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  padding: 0;
}

/* --- Splash screen --- */
.splash {
  position: fixed;
  inset: 0;
  z-index: 500;
  background: #050608;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: splashOut .7s ease-in 2.6s forwards;
}
.splash img {
  width: min(420px, 75vw);
  opacity: 0;
  transform: scale(.85);
  animation: splashLogoIn 1.1s cubic-bezier(.2,.9,.3,1.3) forwards;
  filter: drop-shadow(0 0 40px rgba(255,90,31,.35));
}
.splash.hidden { display: none; }
@keyframes splashLogoIn {
  0% { opacity: 0; transform: scale(.8) translateY(10px); }
  60% { opacity: 1; transform: scale(1.04) translateY(0); }
  100% { opacity: 1; transform: scale(1) translateY(0); }
}
@keyframes splashOut {
  to { opacity: 0; visibility: hidden; pointer-events: none; }
}

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

.stats-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 14px;
  margin-bottom: 24px;
}
.stat-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 18px;
}
.stat-card .label {
  color: var(--text-dim);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .04em;
}
.stat-card .value {
  font-size: 26px;
  font-weight: 700;
  margin-top: 4px;
}
.stat-card.activo .value { color: var(--ok); }
.stat-card.por_vencer .value { color: var(--warn); }
.stat-card.vencido .value { color: var(--danger); }
.stat-card.ingresos .value { color: var(--accent-2); }
.stat-card.recordatorios .value { color: var(--text-dim); }
.stat-card.recordatorios.complete .value { color: var(--ok); }
.stat-card.recordatorios.incomplete .value { color: var(--danger); }

.toolbar {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 16px;
}
.toolbar .spacer { flex: 1; }
.toolbar input, .toolbar select { margin-bottom: 0; width: auto; min-width: 160px; }

.table-wrap {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  overflow-x: auto;
}
table { width: 100%; border-collapse: collapse; min-width: 720px; }
th, td {
  text-align: left;
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
  white-space: nowrap;
}
th {
  color: var(--text-dim);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .03em;
  background: var(--panel-2);
}
th[data-sort] { cursor: pointer; user-select: none; }
th[data-sort]:hover { color: var(--text); }
.sort-arrow {
  display: inline-block;
  width: 10px;
  margin-left: 3px;
  font-size: 10px;
  color: var(--accent-2);
  opacity: 0;
}
th[data-sort].sort-active .sort-arrow { opacity: 1; }
tbody tr:hover { background: var(--panel-2); }
tbody tr:last-child td { border-bottom: none; }

.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
}
.badge.activo { background: rgba(34,197,94,.15); color: var(--ok); }
.badge.por_vencer { background: rgba(245,158,11,.15); color: var(--warn); }
.badge.vencido { background: rgba(239,68,68,.15); color: var(--danger); }
.badge.sin_fecha { background: rgba(154,161,177,.15); color: var(--text-dim); }

.row-actions { display: flex; gap: 6px; }

.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,.6);
  display: flex; align-items: center; justify-content: center;
  padding: 20px;
  z-index: 100;
}
.modal-overlay.hidden { display: none; }
.modal {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  width: 100%;
  max-width: 480px;
  max-height: 90vh;
  overflow-y: auto;
}
.modal h2 { margin-top: 0; font-size: 17px; }
.modal .field-label { font-size: 12px; color: var(--text-dim); margin-bottom: 4px; display: block; }
.modal-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 16px; }

.radio-group { display: flex; flex-direction: column; gap: 10px; margin-bottom: 14px; }
.radio-option {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 12px;
  display: flex;
  gap: 10px;
  align-items: flex-start;
  cursor: pointer;
}
.radio-option input { width: auto; margin: 3px 0 0; }
.radio-option .rtitle { font-weight: 600; font-size: 13px; }
.radio-option .rdesc { color: var(--text-dim); font-size: 12px; margin-top: 2px; }

.import-summary {
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px;
  font-size: 13px;
  margin-top: 12px;
}
.import-summary .errs { color: var(--danger); margin-top: 6px; max-height: 120px; overflow-y: auto; }

.empty-state {
  text-align: center;
  padding: 40px;
  color: var(--text-dim);
}

.toast {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--panel-2);
  border: 1px solid var(--border);
  padding: 10px 18px;
  border-radius: 8px;
  font-size: 13px;
  z-index: 200;
  opacity: 0;
  pointer-events: none;
  transition: opacity .2s;
}
.toast.show { opacity: 1; }

.btn-reminded {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-dim);
  cursor: default;
}
.btn-reminded:hover { filter: none; }

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

/* --- Informes / charts --- */
.section-heading {
  font-size: 16px;
  margin: 36px 0 14px;
  color: var(--text);
}
.charts-row {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 14px;
  margin-bottom: 28px;
}
@media (max-width: 800px) {
  .charts-row { grid-template-columns: 1fr; }
}
.chart-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
}
.chart-card h3 {
  margin: 0 0 4px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: .04em;
}
.chart-card svg { display: block; width: 100%; height: auto; overflow: visible; }
.chart-tooltip {
  position: absolute;
  pointer-events: none;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 6px 10px;
  font-size: 12px;
  color: var(--text);
  transform: translate(-50%, -110%);
  white-space: nowrap;
  opacity: 0;
  transition: opacity .1s;
  z-index: 10;
}
.chart-tooltip.show { opacity: 1; }
.chart-wrap { position: relative; margin-top: 10px; }
.chart-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 16px;
  margin-top: 12px;
  font-size: 12px;
  color: var(--text-dim);
}
.chart-legend .item { display: flex; align-items: center; gap: 6px; }
.chart-legend .swatch { width: 10px; height: 10px; border-radius: 3px; flex-shrink: 0; }