/* ===========================================================================
   Finanzas · Sistema de diseño "fintech limpio y cálido"
   Un color de marca (teal-green), tarjetas suaves, números grandes y legibles.
   Se construye sobre Bootstrap 5 sobreescribiendo sus variables CSS (sin SCSS).
   =========================================================================== */

:root {
  /* --- Marca --- */
  --fz-brand:        #0ea081;   /* teal-green cálido */
  --fz-brand-rgb:    14, 160, 129;
  --fz-brand-strong: #0b8068;   /* hover / activo */
  --fz-brand-soft:   #e7f6f2;   /* fondos sutiles, chips */
  --fz-brand-contrast: #ffffff;

  --fz-ink:        #1c2b2a;     /* texto principal cálido (no negro puro) */
  --fz-muted:      #5f6f6d;

  --fz-pos: #0ea081;            /* ingresos / positivo */
  --fz-neg: #e05b49;            /* egresos / negativo (rojo cálido) */

  --fz-radius:    16px;         /* tarjetas */
  --fz-radius-sm: 12px;         /* inputs, botones */
  --fz-shadow:    0 1px 2px rgba(16,40,37,.04), 0 6px 20px rgba(16,40,37,.06);
  --fz-shadow-sm: 0 1px 2px rgba(16,40,37,.05);

  --fz-maxw: 1080px;

  /* --- Reasignación de tokens de Bootstrap --- */
  --bs-primary:      var(--fz-brand);
  --bs-primary-rgb:  var(--fz-brand-rgb);
  --bs-body-bg:      #f5f8f7;
  --bs-body-color:   var(--fz-ink);
  --bs-secondary-color: var(--fz-muted);
  --bs-border-color: #e4eae8;
  --bs-link-color:   var(--fz-brand-strong);
  --bs-link-hover-color: var(--fz-brand-strong);
  --bs-border-radius:    var(--fz-radius-sm);
  --bs-border-radius-sm: 10px;
  --bs-border-radius-lg: var(--fz-radius);
  --bs-font-sans-serif: "Inter", system-ui, -apple-system, "Segoe UI", Roboto,
                        "Helvetica Neue", Arial, sans-serif;
  --bs-emphasis-color: var(--fz-ink);
}

[data-bs-theme="dark"] {
  --fz-brand-soft: rgba(14, 160, 129, .14);
  --fz-ink:   #e8efed;
  --fz-muted: #9fb0ad;
  --bs-body-bg:      #0f1614;
  --bs-body-color:   var(--fz-ink);
  --bs-border-color: #243330;
  --bs-link-color:   #4cc3a9;
  --bs-link-hover-color: #6fd0ba;
}

body {
  font-feature-settings: "cv02", "cv03", "cv04", "cv11";
  letter-spacing: -0.01em;
  -webkit-font-smoothing: antialiased;
}

main.container { max-width: var(--fz-maxw); }

/* Números: alineados y tabulares para que las columnas de dinero cuadren. */
.fz-num, .fz-amount-pos, .fz-amount-neg, .table td.text-end, .fz-balance {
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum";
}

.fz-amount-pos { color: var(--fz-pos); font-weight: 600; }
.fz-amount-neg { color: var(--fz-neg); font-weight: 600; }
.fz-timeline-amount { white-space: nowrap; }

/* ---------------------------------------------------------------------------
   Botones de marca
   --------------------------------------------------------------------------- */
.btn {
  --bs-btn-border-radius: var(--fz-radius-sm);
  font-weight: 600;
}
.btn-primary {
  --bs-btn-bg: var(--fz-brand);
  --bs-btn-border-color: var(--fz-brand);
  --bs-btn-hover-bg: var(--fz-brand-strong);
  --bs-btn-hover-border-color: var(--fz-brand-strong);
  --bs-btn-active-bg: var(--fz-brand-strong);
  --bs-btn-active-border-color: var(--fz-brand-strong);
  --bs-btn-disabled-bg: var(--fz-brand);
  --bs-btn-disabled-border-color: var(--fz-brand);
  --bs-btn-color: var(--fz-brand-contrast);
  --bs-btn-hover-color: var(--fz-brand-contrast);
  --bs-btn-active-color: var(--fz-brand-contrast);
}
.btn-success {
  --bs-btn-bg: var(--fz-brand);
  --bs-btn-border-color: var(--fz-brand);
  --bs-btn-hover-bg: var(--fz-brand-strong);
  --bs-btn-hover-border-color: var(--fz-brand-strong);
}
.btn-outline-primary {
  --bs-btn-color: var(--fz-brand-strong);
  --bs-btn-border-color: var(--fz-brand);
  --bs-btn-hover-bg: var(--fz-brand);
  --bs-btn-hover-border-color: var(--fz-brand);
  --bs-btn-active-bg: var(--fz-brand-strong);
}
.btn-icon { display: inline-flex; align-items: center; gap: .4rem; }

/* ---------------------------------------------------------------------------
   Tarjetas
   --------------------------------------------------------------------------- */
.card {
  --bs-card-border-radius: var(--fz-radius);
  --bs-card-inner-border-radius: calc(var(--fz-radius) - 1px);
}
.fz-card {
  border: 1px solid var(--bs-border-color);
  box-shadow: var(--fz-shadow);
  border-radius: var(--fz-radius);
  transition: box-shadow .18s ease, transform .18s ease;
}
.fz-card-hover:hover { box-shadow: 0 4px 14px rgba(16,40,37,.10), 0 12px 30px rgba(16,40,37,.10); }

.fz-card-body { padding: 1.25rem; }

/* Tarjeta destacada del saldo (gradiente de marca). */
.fz-hero {
  color: #fff;
  border: none;
  background: linear-gradient(135deg, var(--fz-brand) 0%, var(--fz-brand-strong) 100%);
  border-radius: var(--fz-radius);
  box-shadow: 0 10px 30px rgba(14,160,129,.28);
}
.fz-hero .fz-hero-label { color: rgba(255,255,255,.82); font-weight: 600; letter-spacing: .02em; }
.fz-balance { font-size: clamp(2rem, 7vw, 2.75rem); font-weight: 700; line-height: 1.05; }
.fz-hero .btn-light { --bs-btn-color: var(--fz-brand-strong); --bs-btn-hover-color: var(--fz-brand-strong); font-weight: 600; }

/* Etiqueta de sección con icono. */
.fz-section-title {
  display: flex; align-items: center; gap: .5rem;
  font-size: .95rem; font-weight: 700; color: var(--fz-ink); margin-bottom: 1rem;
}
.fz-section-title .bi { color: var(--fz-brand); }

/* Cabecera de página. */
.fz-page-head { margin-bottom: 1.25rem; }
.fz-page-head h1 { font-weight: 700; letter-spacing: -0.02em; margin-bottom: .15rem; }
.fz-page-head .lead { color: var(--fz-muted); font-size: .95rem; margin-bottom: 0; }

/* ---------------------------------------------------------------------------
   Formularios
   --------------------------------------------------------------------------- */
.form-label { font-weight: 600; font-size: .875rem; margin-bottom: .3rem; }
.form-control, .form-select {
  border-radius: var(--fz-radius-sm);
  border-color: var(--bs-border-color);
  padding: .55rem .8rem;
}
.form-control:focus, .form-select:focus {
  border-color: var(--fz-brand);
  box-shadow: 0 0 0 .2rem rgba(var(--fz-brand-rgb), .18);
}
.form-text { color: var(--fz-muted); }
.input-group-text { background: var(--fz-brand-soft); border-color: var(--bs-border-color); color: var(--fz-brand-strong); font-weight: 600; }

/* Bloque de formulario en panel con fondo sutil. */
.fz-form-panel { background: var(--bs-body-bg); }

/* ---------------------------------------------------------------------------
   Ayuda contextual (tooltips) — icono de interrogación junto a las etiquetas
   --------------------------------------------------------------------------- */
.fz-help {
  display: inline-flex; align-items: center; justify-content: center;
  width: 1.05rem; height: 1.05rem; margin-left: .25rem;
  border-radius: 50%; background: var(--fz-brand-soft); color: var(--fz-brand-strong);
  font-size: .72rem; cursor: help; vertical-align: middle; border: none;
}
.fz-help:hover { background: var(--fz-brand); color: #fff; }
.tooltip { --bs-tooltip-bg: var(--fz-ink); --bs-tooltip-border-radius: 10px; --bs-tooltip-max-width: 240px; }
.tooltip-inner { padding: .5rem .7rem; text-align: left; font-size: .8rem; line-height: 1.35; }

/* Pista informativa en bloque (explicaciones de concepto). */
.fz-hint {
  display: flex; gap: .6rem; align-items: flex-start;
  background: var(--fz-brand-soft); color: var(--fz-brand-strong);
  border-radius: var(--fz-radius-sm); padding: .7rem .9rem; font-size: .85rem;
}
.fz-hint .bi { flex: 0 0 auto; margin-top: .1rem; }

/* ---------------------------------------------------------------------------
   Tablas y badges
   --------------------------------------------------------------------------- */
.table { --bs-table-border-color: var(--bs-border-color); }
.table > :not(caption) > * > * { padding: .7rem .75rem; }
.table thead th {
  font-size: .72rem; text-transform: uppercase; letter-spacing: .04em;
  color: var(--fz-muted); font-weight: 700; border-bottom-width: 1px;
}
.badge { font-weight: 600; border-radius: 999px; padding: .35em .7em; }
.fz-pill { background: var(--fz-brand-soft); color: var(--fz-brand-strong); }

/* Estado vacío guía. */
.fz-empty {
  text-align: center; padding: 2.5rem 1rem; color: var(--fz-muted);
}
.fz-empty .bi { font-size: 2.2rem; color: var(--fz-brand); opacity: .8; }
.fz-empty h3 { font-size: 1rem; font-weight: 700; color: var(--fz-ink); margin: .6rem 0 .25rem; }

/* Barras de progreso. */
.progress { background: var(--bs-border-color); border-radius: 999px; height: .55rem; }
.progress-bar { background: var(--fz-brand); border-radius: 999px; }

/* ---------------------------------------------------------------------------
   Navegación
   --------------------------------------------------------------------------- */
.navbar { backdrop-filter: saturate(140%) blur(6px); }
.navbar-brand { letter-spacing: -0.02em; }
.navbar-brand .bi { color: var(--fz-brand); }
.navbar .nav-link {
  font-weight: 600; color: var(--fz-muted); border-radius: 10px; padding: .4rem .7rem;
}
.navbar .nav-link:hover { color: var(--fz-ink); background: var(--bs-tertiary-bg); }
.navbar .nav-link.active { color: var(--fz-brand-strong); background: var(--fz-brand-soft); }

/* Botón de cambio de tema. */
.fz-theme-btn {
  display: inline-flex; align-items: center; justify-content: center;
  width: 2.25rem; height: 2.25rem; border-radius: 11px;
  border: 1px solid var(--bs-border-color); background: var(--bs-body-bg);
  color: var(--fz-muted); font-size: 1rem; cursor: pointer; transition: all .15s ease;
}
.fz-theme-btn:hover { color: var(--fz-brand-strong); border-color: var(--fz-brand); background: var(--fz-brand-soft); }

/* KPIs del dashboard. */
.fz-kpi .fz-kpi-label { font-size: .78rem; font-weight: 600; color: var(--fz-muted); }
.fz-kpi .fz-kpi-value { font-size: clamp(1.15rem, 4vw, 1.5rem); font-weight: 700; font-variant-numeric: tabular-nums; line-height: 1.1; }
.fz-kpi .fz-kpi-delta { font-size: .72rem; font-weight: 600; }

/* Botones para cambiar tipo de gráfica (línea/barras). */
.fz-chart-toggle {
  display: inline-flex; align-items: center; justify-content: center;
  width: 2rem; height: 2rem; border: 1px solid var(--bs-border-color);
  background: var(--bs-body-bg); color: var(--fz-muted); cursor: pointer;
}
.fz-chart-toggle:first-child { border-radius: 9px 0 0 9px; }
.fz-chart-toggle:last-child { border-radius: 0 9px 9px 0; margin-left: -1px; }
.fz-chart-toggle.active { background: var(--fz-brand); color: #fff; border-color: var(--fz-brand); z-index: 1; }

/* Tarjetas de presupuesto por quincena (verde = sobra, rojo = falta). */
.fz-bignum { font-size: clamp(1.6rem, 5vw, 2.1rem); font-weight: 700; line-height: 1.1;
  font-variant-numeric: tabular-nums; }
.fz-pos-text { color: var(--fz-pos); }
.fz-neg-text { color: var(--fz-neg); }
.fz-card-pos { border-left: 5px solid var(--fz-pos); }
.fz-card-neg { border-left: 5px solid var(--fz-neg); }
.fz-stat { display: flex; align-items: center; gap: .35rem; font-variant-numeric: tabular-nums; }

/* Sub-navegación por pestañas (lista vs pagos/cobros). */
.fz-subnav { gap: .25rem; }
.fz-subnav .nav-link { color: var(--fz-muted); font-weight: 600; padding: .35rem .8rem; border-radius: 999px; }
.fz-subnav .nav-link:hover { background: var(--bs-tertiary-bg); color: var(--fz-ink); }
.fz-subnav .nav-link.active { background: var(--fz-brand); color: #fff; }

/* Cabecera de lista: título + botón "nuevo". */
.fz-list-head { display: flex; align-items: center; justify-content: space-between; gap: 1rem; margin-bottom: 1rem; flex-wrap: wrap; }

/* Formularios compactos: menos alto, etiquetas pequeñas, rejilla apretada. */
.fz-form-compact .form-label { font-size: .8rem; margin-bottom: .2rem; }
.fz-form-compact .form-control,
.fz-form-compact .form-select { padding: .4rem .65rem; font-size: .9rem; min-height: auto; }
.fz-form-compact .input-group-text { padding: .4rem .6rem; font-size: .9rem; }
.fz-form-compact .form-text { font-size: .75rem; margin-top: .15rem; }
.fz-form-compact .fz-hint { padding: .55rem .75rem; font-size: .82rem; }

/* Navegación inferior fija en móvil. */
.fz-bottomnav {
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 1030;
  display: flex; justify-content: space-around;
  background: var(--bs-body-bg);
  border-top: 1px solid var(--bs-border-color);
  padding: .3rem 0 calc(.3rem + env(safe-area-inset-bottom));
  box-shadow: 0 -2px 16px rgba(16,40,37,.06);
}
.fz-bottomnav a {
  flex: 1; font-size: .68rem; font-weight: 600; text-align: center;
  text-decoration: none; color: var(--fz-muted); padding: .25rem 0;
  display: flex; flex-direction: column; align-items: center; gap: .12rem;
}
.fz-bottomnav a.active { color: var(--fz-brand-strong); }
.fz-bottomnav .bi { font-size: 1.25rem; line-height: 1; }
.fz-bottomnav a.active .bi { transform: translateY(-1px); }

@media (max-width: 767.98px) { body { padding-bottom: 4.6rem; } }

/* Botón flotante de acción rápida (móvil). */
.fz-fab {
  position: fixed; right: 1rem; bottom: 5.2rem; z-index: 1031;
  width: 3.4rem; height: 3.4rem; border-radius: 50%;
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--fz-brand); color: #fff; border: none; font-size: 1.5rem;
  box-shadow: 0 8px 22px rgba(14,160,129,.4);
}
.fz-fab:hover { background: var(--fz-brand-strong); color: #fff; }

/* Animación sutil de entrada para tarjetas. */
@media (prefers-reduced-motion: no-preference) {
  .fz-reveal { animation: fz-fade-up .35s ease both; }
}
@keyframes fz-fade-up { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

/* Alertas / flash redondeadas. */
.alert { border: none; border-radius: var(--fz-radius-sm); box-shadow: var(--fz-shadow-sm); }
.alert-success { background: var(--fz-brand-soft); color: var(--fz-brand-strong); }

code { color: var(--fz-brand-strong); background: var(--fz-brand-soft); padding: .1rem .35rem; border-radius: 6px; }