/* Sistema visual del CRM.
   Va encima de Bootstrap 5, no lo sustituye: la rejilla y las utilidades se
   siguen usando tal cual, y aquí se redefinen los tokens de Bootstrap
   (--bs-*) más los componentes propios. Así ninguna plantilla se rompe. */

:root {
  /* Neutros. Una sola escala para todo: fondos, bordes y texto. */
  --c-bg: #f7f8fa;
  --c-surface: #ffffff;
  --c-border: #e4e7ec;
  --c-border-strong: #d0d5dd;
  --c-text: #101828;
  --c-text-muted: #667085;
  --c-text-subtle: #98a2b3;

  /* Barra lateral, en oscuro para separar navegación de contenido. */
  --c-nav: #101828;
  --c-nav-text: #d0d5dd;
  --c-nav-text-active: #ffffff;
  --c-nav-active: #1d2939;

  /* Acento y semánticos. El verde queda reservado al dinero que entra. */
  --c-accent: #4338ca;
  --c-accent-soft: #eef2ff;
  --c-income: #027a48;
  --c-income-soft: #ecfdf3;
  --c-danger: #b42318;
  --c-danger-soft: #fef3f2;
  --c-warning: #b54708;
  --c-warning-soft: #fffaeb;

  --radius: 10px;
  --radius-sm: 7px;
  --shadow-sm: 0 1px 2px rgba(16, 24, 40, .05);
  --shadow: 0 1px 3px rgba(16, 24, 40, .1), 0 1px 2px rgba(16, 24, 40, .06);

  --sidebar-w: 232px;

  /* Bootstrap lee estas: cambiarlas tiñe botones, enlaces y focus de una vez. */
  --bs-primary: #4338ca;
  --bs-primary-rgb: 67, 56, 202;
  --bs-body-color: #101828;
  --bs-body-bg: #f7f8fa;
  --bs-border-color: #e4e7ec;
  --bs-border-radius: 8px;
  --bs-link-color: #4338ca;
  --bs-link-hover-color: #3730a3;
  --bs-font-sans-serif: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

body {
  background: var(--c-bg);
  color: var(--c-text);
  font-family: var(--bs-font-sans-serif);
  font-size: 14px;
  -webkit-font-smoothing: antialiased;
  padding-bottom: 0;
}

h1, h2, h3, h4, h5, h6 { letter-spacing: -.011em; }

a { text-decoration: none; }
a:hover { text-decoration: none; }

/* ---------- Estructura: lateral fija + contenido ---------- */

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

.sidebar {
  width: var(--sidebar-w);
  flex: 0 0 var(--sidebar-w);
  background: var(--c-nav);
  color: var(--c-nav-text);
  display: flex;
  flex-direction: column;
  position: fixed;
  inset: 0 auto 0 0;
  z-index: 1040;
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: .625rem;
  padding: 1.15rem 1.25rem;
  color: #fff;
  font-weight: 600;
  font-size: .95rem;
  letter-spacing: -.01em;
  border-bottom: 1px solid rgba(255, 255, 255, .08);
}

.sidebar-mark {
  width: 26px; height: 26px;
  flex: 0 0 26px;
  border-radius: 7px;
  background: var(--c-accent);
  color: #fff;
  display: grid;
  place-items: center;
  font-size: .75rem;
  font-weight: 700;
}

.sidebar-nav { padding: .75rem .625rem; flex: 1; overflow-y: auto; }

.sidebar-section {
  padding: .875rem .625rem .375rem;
  font-size: .6875rem;
  font-weight: 600;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: #667085;
}

.sidebar-link {
  display: flex;
  align-items: center;
  gap: .625rem;
  padding: .5rem .625rem;
  border-radius: var(--radius-sm);
  color: var(--c-nav-text);
  font-weight: 500;
  line-height: 1.3;
  margin-bottom: 1px;
}

.sidebar-link:hover { background: rgba(255, 255, 255, .06); color: #fff; }

.sidebar-link.active {
  background: var(--c-nav-active);
  color: var(--c-nav-text-active);
  font-weight: 600;
}

.sidebar-link svg { flex: 0 0 17px; opacity: .85; }
.sidebar-link.active svg { opacity: 1; }

/* Contador de pendientes al final del enlace. */
.sidebar-count {
  margin-left: auto;
  background: var(--c-danger);
  color: #fff;
  border-radius: 999px;
  padding: .05rem .4rem;
  font-size: .6875rem;
  font-weight: 600;
}

.sidebar-foot {
  padding: .875rem 1rem;
  border-top: 1px solid rgba(255, 255, 255, .08);
}

.main {
  flex: 1;
  min-width: 0;               /* sin esto una tabla ancha estira el layout */
  margin-left: var(--sidebar-w);
  display: flex;
  flex-direction: column;
}

.topbar {
  background: var(--c-surface);
  border-bottom: 1px solid var(--c-border);
  padding: 0 1.5rem;
  height: 56px;
  display: flex;
  align-items: center;
  gap: 1rem;
  position: sticky;
  top: 0;
  z-index: 1030;
}

.content { padding: 1.5rem; flex: 1; }
.content-narrow { max-width: 720px; }

/* En móvil la barra pasa a ser un panel que se despliega. */
.sidebar-toggle { display: none; }

@media (max-width: 991.98px) {
  .sidebar {
    transform: translateX(-100%);
    transition: transform .2s ease;
    box-shadow: var(--shadow);
  }
  .sidebar.open { transform: translateX(0); }
  .main { margin-left: 0; }
  .sidebar-toggle { display: inline-flex; }
  .content { padding: 1rem; }
  .sidebar-backdrop {
    position: fixed; inset: 0; background: rgba(16, 24, 40, .5); z-index: 1035;
  }
}

/* ---------- Cabecera de página ---------- */

.page-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 1.25rem;
}

.page-title { font-size: 1.3rem; font-weight: 600; margin: 0; letter-spacing: -.018em; }
.page-sub { color: var(--c-text-muted); font-size: .8125rem; margin: .2rem 0 0; }

/* ---------- Tarjetas ---------- */

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

.card-header {
  background: transparent;
  border-bottom: 1px solid var(--c-border);
  padding: .875rem 1.125rem;
  font-weight: 600;
  font-size: .875rem;
}

.card-body { padding: 1.125rem; }

/* ---------- Tarjetas de cifra ---------- */

.kpi {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  padding: 1.125rem;
  height: 100%;
  display: block;
  color: inherit;
  transition: border-color .15s, box-shadow .15s;
}

a.kpi:hover { border-color: var(--c-border-strong); box-shadow: var(--shadow); }

.kpi-label {
  color: var(--c-text-muted);
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .04em;
  text-transform: uppercase;
  margin-bottom: .5rem;
}

.kpi-value {
  font-size: 1.6rem;
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -.025em;
  font-variant-numeric: tabular-nums;
  word-break: break-word;
}

.kpi-value.is-income { color: var(--c-income); }
.kpi-value.is-danger { color: var(--c-danger); }

.kpi-foot { color: var(--c-text-subtle); font-size: .8125rem; margin-top: .3rem; }

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

.table {
  --bs-table-bg: transparent;
  margin: 0;
  color: var(--c-text);
}

.table > thead > tr > th {
  background: #fbfcfd;
  border-bottom: 1px solid var(--c-border);
  color: var(--c-text-muted);
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .03em;
  text-transform: uppercase;
  padding: .625rem 1rem;
  white-space: nowrap;
}

.table > tbody > tr > td {
  padding: .75rem 1rem;
  border-bottom: 1px solid var(--c-border);
  vertical-align: middle;
}

.table > tbody > tr:last-child > td { border-bottom: 0; }
.table-hover > tbody > tr:hover > * { background: #f9fafb; }

/* Los importes se leen en columna: cifras alineadas y ancho fijo por dígito. */
.num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }

.table-card {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.table-card .table-responsive { border-radius: var(--radius); }

/* ---------- Identidad del cliente ---------- */

.client-initials {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px; height: 32px;
  flex: 0 0 32px;
  border-radius: 50%;
  background: var(--c-accent-soft);
  color: var(--c-accent);
  font-weight: 600;
  font-size: .75rem;
  letter-spacing: .01em;
}

.client-name { font-weight: 600; line-height: 1.25; }
.client-mail { color: var(--c-text-subtle); font-size: .78rem; line-height: 1.3; }

/* ---------- Etiquetas de estado ---------- */

.tag {
  display: inline-flex;
  align-items: center;
  gap: .3rem;
  padding: .15rem .5rem;
  border-radius: 999px;
  font-size: .75rem;
  font-weight: 500;
  line-height: 1.4;
  white-space: nowrap;
}

.tag-neutral { background: #f2f4f7; color: var(--c-text-muted); }
.tag-income  { background: var(--c-income-soft); color: var(--c-income); }
.tag-danger  { background: var(--c-danger-soft); color: var(--c-danger); }
.tag-warning { background: var(--c-warning-soft); color: var(--c-warning); }
.tag-accent  { background: var(--c-accent-soft); color: var(--c-accent); }

.tag::before {
  content: "";
  width: 6px; height: 6px;
  border-radius: 50%;
  background: currentColor;
}

.tag-plain::before { display: none; }

/* ---------- Botones y formularios ---------- */

.btn {
  font-weight: 500;
  font-size: .875rem;
  border-radius: 8px;
  padding: .45rem .875rem;
}

.btn-sm { font-size: .8125rem; padding: .3rem .625rem; }

.btn-primary {
  background: var(--c-accent);
  border-color: var(--c-accent);
  box-shadow: var(--shadow-sm);
}
.btn-primary:hover, .btn-primary:focus { background: #3730a3; border-color: #3730a3; }

.btn-outline-secondary {
  color: var(--c-text);
  border-color: var(--c-border-strong);
  background: var(--c-surface);
  box-shadow: var(--shadow-sm);
}
.btn-outline-secondary:hover {
  background: #f9fafb;
  color: var(--c-text);
  border-color: var(--c-border-strong);
}

.form-control, .form-select {
  border-color: var(--c-border-strong);
  border-radius: 8px;
  padding: .45rem .7rem;
  font-size: .875rem;
  box-shadow: var(--shadow-sm);
}

.form-control:focus, .form-select:focus {
  border-color: var(--c-accent);
  box-shadow: 0 0 0 3px rgba(67, 56, 202, .12);
}

.form-label { font-weight: 500; font-size: .8125rem; margin-bottom: .3rem; }
.form-text { color: var(--c-text-subtle); font-size: .78rem; }

/* ---------- Pestañas ---------- */

.nav-tabs {
  border-bottom: 1px solid var(--c-border);
  gap: .25rem;
  margin-bottom: 1.125rem;
}

.nav-tabs .nav-link {
  border: 0;
  border-bottom: 2px solid transparent;
  color: var(--c-text-muted);
  font-weight: 500;
  font-size: .875rem;
  padding: .5rem .75rem;
  border-radius: 0;
}

.nav-tabs .nav-link:hover { color: var(--c-text); border-bottom-color: var(--c-border-strong); }

.nav-tabs .nav-link.active {
  color: var(--c-accent);
  background: transparent;
  border-bottom-color: var(--c-accent);
}

/* ---------- Estado vacío ---------- */

.empty {
  text-align: center;
  padding: 3rem 1.5rem;
  color: var(--c-text-muted);
  background: var(--c-surface);
  border: 1px dashed var(--c-border-strong);
  border-radius: var(--radius);
}

.empty-title { font-weight: 600; color: var(--c-text); margin-bottom: .3rem; }

/* ---------- Gráfica de ingresos ---------- */

.chart {
  display: flex;
  align-items: flex-end;
  gap: .5rem;
  height: 190px;
  padding-top: .5rem;
}

.chart-col { flex: 1 1 0; display: flex; flex-direction: column; justify-content: flex-end; height: 100%; }

.chart-bar {
  background: var(--c-accent);
  border-radius: 5px 5px 0 0;
  min-height: 3px;
  transition: opacity .15s;
}

.chart-col:hover .chart-bar { opacity: .78; }

.chart-axis { display: flex; gap: .5rem; margin-top: .4rem; }

.chart-tick {
  flex: 1 1 0;
  text-align: center;
  font-size: .6875rem;
  color: var(--c-text-subtle);
  font-variant-numeric: tabular-nums;
}

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

.alert { border-radius: var(--radius); border-width: 1px; font-size: .875rem; }
.alert-success { background: var(--c-income-soft); border-color: #a6f4c5; color: var(--c-income); }
.alert-danger  { background: var(--c-danger-soft); border-color: #fecdca; color: var(--c-danger); }
.alert-warning { background: var(--c-warning-soft); border-color: #fedf89; color: var(--c-warning); }

/* ---------- Pantalla de acceso ---------- */

.login-wrap {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 1.5rem;
  background: var(--c-bg);
}

.login-card {
  width: 100%;
  max-width: 380px;
}

.login-brand {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: .625rem;
  margin-bottom: 1.25rem;
  font-weight: 600;
  font-size: 1.05rem;
}

/* Fila de tabla que lleva a otra página. */
.row-link { cursor: pointer; }