/* =====================================================================
   Control de Gastos del Hogar — hoja de estilos
   Paleta y tokens tomados de un sistema de diseño validado para datos
   (contraste y separación perceptual comprobados).
   ===================================================================== */

:root {
  --page-bg: #f9f9f7;
  --surface: #ffffff;
  --surface-alt: #fcfcfb;
  --ink: #0b0b0b;
  --ink-secondary: #52514e;
  --ink-muted: #898781;
  --border: rgba(11, 11, 11, 0.10);
  --gridline: #e1e0d9;

  --brand: #2a78d6;
  --brand-dark: #184f95;
  --brand-soft: #eaf2fc;

  --good: #0ca30c;
  --warning: #fab219;
  --serious: #ec835a;
  --critical: #d03b3b;

  --series-1: #2a78d6; /* azul */
  --series-2: #eb6834; /* naranja */
  --series-3: #1baf7a; /* aqua */
  --series-4: #eda100; /* amarillo */
  --series-5: #e87ba4; /* magenta */
  --series-6: #008300; /* verde */
  --series-7: #4a3aa7; /* violeta */
  --series-8: #e34948; /* rojo */
  --series-otros: #a9a7a0;

  --radius-sm: 8px;
  --radius: 14px;
  --radius-lg: 20px;
  --shadow-sm: 0 1px 2px rgba(11, 11, 11, 0.06);
  --shadow: 0 6px 20px rgba(11, 11, 11, 0.08);

  --sidebar-w: 250px;
  --topbar-h: 60px;
}

* { box-sizing: border-box; }

html, body {
  height: 100%;
}

body {
  background: var(--page-bg);
  color: var(--ink);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--brand); text-decoration: none; }
a:hover { color: var(--brand-dark); }

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

/* ---------------------------------------------------------------------
   Layout general: sidebar + topbar + contenido
   --------------------------------------------------------------------- */

.app-shell {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: var(--sidebar-w);
  flex-shrink: 0;
  background: #12181f;
  color: #e7e9ec;
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  z-index: 1040;
  transition: transform 0.25s ease;
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 20px 20px 16px;
  font-weight: 700;
  font-size: 1.05rem;
  color: #fff;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.sidebar-brand i { font-size: 1.4rem; color: var(--series-1); }

.sidebar-nav {
  flex: 1;
  padding: 14px 10px;
  overflow-y: auto;
}

.sidebar-nav a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 14px;
  border-radius: var(--radius-sm);
  color: #c7ccd1;
  font-weight: 500;
  margin-bottom: 2px;
  font-size: 0.94rem;
}
.sidebar-nav a i { font-size: 1.05rem; width: 20px; text-align: center; }
.sidebar-nav a:hover { background: rgba(255,255,255,0.06); color: #fff; }
.sidebar-nav a.active { background: var(--brand); color: #fff; }

.sidebar-footer {
  padding: 14px 16px 18px;
  border-top: 1px solid rgba(255,255,255,0.08);
  font-size: 0.85rem;
  color: #9aa0a6;
}
.sidebar-footer .usuario-actual { color: #fff; font-weight: 600; display:block; margin-bottom:6px; }
.sidebar-footer a { color: #f0a3a3; }

.app-content {
  margin-left: var(--sidebar-w);
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.topbar {
  height: var(--topbar-h);
  background: var(--surface);
  border-bottom: 1px solid var(--gridline);
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 0 22px;
  position: sticky;
  top: 0;
  z-index: 1020;
}

.topbar h1 {
  font-size: 1.15rem;
  font-weight: 700;
  margin: 0;
  color: var(--ink);
}

.btn-menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.4rem;
  color: var(--ink);
}

.page-body {
  padding: 24px;
  flex: 1;
}

.sidebar-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.4);
  z-index: 1030;
}

@media (max-width: 991.98px) {
  .sidebar { transform: translateX(-100%); }
  .sidebar.abierto { transform: translateX(0); }
  .app-content { margin-left: 0; }
  .btn-menu-toggle { display: inline-flex; align-items:center; justify-content:center; }
  .sidebar-backdrop.abierto { display: block; }
  .page-body { padding: 16px; }
}

/* ---------------------------------------------------------------------
   Tarjetas y componentes
   --------------------------------------------------------------------- */

.card-app {
  background: var(--surface);
  border: 1px solid var(--gridline);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}

.card-app .card-app-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--gridline);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.card-app .card-app-header h2,
.card-app .card-app-header h3 {
  font-size: 1rem;
  font-weight: 700;
  margin: 0;
}

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

.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 16px;
  margin-bottom: 22px;
}

.stat-tile {
  background: var(--surface);
  border: 1px solid var(--gridline);
  border-radius: var(--radius);
  padding: 18px 20px;
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
}

.stat-tile .stat-icono {
  position: absolute;
  right: 14px;
  top: 14px;
  font-size: 1.6rem;
  opacity: 0.16;
}

.stat-tile .stat-label {
  font-size: 0.8rem;
  color: var(--ink-muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  margin-bottom: 6px;
}

.stat-tile .stat-valor {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}

.stat-tile.acento-brand { border-top: 3px solid var(--series-1); }
.stat-tile.acento-naranja { border-top: 3px solid var(--series-2); }
.stat-tile.acento-verde { border-top: 3px solid var(--series-3); }
.stat-tile.acento-violeta { border-top: 3px solid var(--series-7); }
.stat-tile.acento-magenta { border-top: 3px solid var(--series-5); }
.stat-tile.acento-amarillo { border-top: 3px solid var(--series-4); }

.chart-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 16px;
  margin-bottom: 20px;
}

.chart-wrap { position: relative; height: 280px; }

/* ---------------------------------------------------------------------
   Formularios
   --------------------------------------------------------------------- */

.form-label { font-weight: 600; font-size: 0.88rem; color: var(--ink-secondary); }

.form-control, .form-select {
  border-radius: var(--radius-sm);
  border: 1px solid var(--gridline);
  padding: 10px 12px;
  font-size: 0.95rem;
}
.form-control:focus, .form-select:focus {
  border-color: var(--brand);
  box-shadow: 0 0 0 3px var(--brand-soft);
}

.input-group-moneda {
  position: relative;
}
.input-group-moneda .simbolo {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--ink-muted);
  font-weight: 600;
  pointer-events: none;
}
.input-group-moneda input { padding-left: 32px; text-align: left; font-variant-numeric: tabular-nums; }

.btn {
  border-radius: var(--radius-sm);
  font-weight: 600;
  padding: 9px 18px;
  font-size: 0.92rem;
}
.btn-primary { background: var(--brand); border-color: var(--brand); }
.btn-primary:hover { background: var(--brand-dark); border-color: var(--brand-dark); }
.btn-outline-secondary { border-color: var(--gridline); color: var(--ink-secondary); }

.dropzone-factura {
  border: 2px dashed var(--gridline);
  border-radius: var(--radius);
  padding: 22px;
  text-align: center;
  color: var(--ink-muted);
  cursor: pointer;
  transition: border-color .15s, background .15s;
}
.dropzone-factura:hover, .dropzone-factura.dragover { border-color: var(--brand); background: var(--brand-soft); }
.dropzone-factura i { font-size: 1.8rem; display:block; margin-bottom: 6px; color: var(--brand); }
.factura-preview { max-width: 100%; max-height: 160px; border-radius: var(--radius-sm); margin-top: 10px; border:1px solid var(--gridline); }

/* ---------------------------------------------------------------------
   Tablas
   --------------------------------------------------------------------- */

.table-app {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  font-size: 0.9rem;
}
.table-app thead th {
  text-align: left;
  color: var(--ink-muted);
  font-weight: 700;
  text-transform: uppercase;
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  padding: 10px 14px;
  border-bottom: 1px solid var(--gridline);
  white-space: nowrap;
}
.table-app tbody td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--gridline);
  vertical-align: middle;
}
.table-app tbody tr:hover { background: var(--surface-alt); }
.table-app tbody tr:last-child td { border-bottom: none; }
.valor-tabla { font-variant-numeric: tabular-nums; font-weight: 700; white-space: nowrap; }

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

.badge-app {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 0.74rem;
  font-weight: 700;
}
.badge-hogar, .badge-personal { background: var(--brand-soft); color: var(--brand-dark); }
.badge-ninos, .badge-nino, .badge-ambos_ninos { background: #fdeee6; color: #b04a1f; }
.badge-otro { background: #f1f0ee; color: var(--ink-secondary); }
.badge-activo { background: #e7f7e7; color: #0c6b0c; }
.badge-inactivo { background: #f1f0ee; color: var(--ink-muted); }

.thumb-factura {
  width: 42px; height: 42px; border-radius: 8px; object-fit: cover; border: 1px solid var(--gridline); cursor: pointer;
}
.icono-factura-pdf {
  width: 42px; height: 42px; border-radius: 8px; border: 1px solid var(--gridline);
  display:flex; align-items:center; justify-content:center; color: var(--critical); font-size:1.2rem; cursor:pointer; background:#fff5f5;
}

/* ---------------------------------------------------------------------
   Filtros
   --------------------------------------------------------------------- */

.barra-filtros { margin-bottom: 18px; }
.barra-filtros .card-app-body { padding: 16px 20px; }
.chip-rango {
  border: 1px solid var(--gridline);
  background: var(--surface);
  border-radius: 999px;
  padding: 6px 14px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--ink-secondary);
}
.chip-rango.activo { background: var(--brand); color: #fff; border-color: var(--brand); }

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

.login-shell {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(160deg, #12181f 0%, #1c2735 45%, var(--brand-dark) 100%);
  padding: 20px;
}
.login-card {
  width: 100%;
  max-width: 380px;
  background: var(--surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  padding: 34px 30px;
}
.login-card .login-icono {
  width: 56px; height: 56px; border-radius: 16px;
  background: var(--brand-soft); color: var(--brand);
  display:flex; align-items:center; justify-content:center; font-size:1.6rem;
  margin: 0 auto 14px;
}
.login-card h1 { font-size: 1.25rem; font-weight: 800; text-align:center; margin-bottom: 4px; }
.login-card p.subtitulo { text-align:center; color: var(--ink-muted); font-size:0.88rem; margin-bottom: 22px; }

/* ---------------------------------------------------------------------
   Alertas flash
   --------------------------------------------------------------------- */

.alert-app {
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  font-size: 0.9rem;
  border: 1px solid transparent;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.alert-app.exito { background: #e7f7e7; color: #0c6b0c; border-color: #cdeccd; }
.alert-app.error { background: #fdeeee; color: #a32424; border-color: #f6cccc; }
.alert-app.info { background: var(--brand-soft); color: var(--brand-dark); border-color: #cfe2f8; }

/* ---------------------------------------------------------------------
   Botones flotantes de acción (móvil)
   --------------------------------------------------------------------- */

.fab-nuevo-gasto {
  position: fixed;
  right: 20px;
  bottom: 22px;
  z-index: 1010;
  background: var(--brand);
  color: #fff;
  border-radius: 999px;
  padding: 14px 20px;
  font-weight: 700;
  box-shadow: 0 10px 24px rgba(42,120,214,0.4);
  display: none;
  align-items: center;
  gap: 8px;
}
@media (max-width: 767.98px) {
  .fab-nuevo-gasto { display: inline-flex; }
}

/* ---------------------------------------------------------------------
   Utilidades de impresión (reportes -> PDF vía navegador)
   --------------------------------------------------------------------- */

@media print {
  .sidebar, .topbar, .no-imprimir, .fab-nuevo-gasto { display: none !important; }
  .app-content { margin-left: 0 !important; }
  .page-body { padding: 0 !important; }
  body { background: #fff; }
}

.paginacion-app { display:flex; gap:6px; flex-wrap:wrap; align-items:center; justify-content:space-between; margin-top:16px; }