:root {
  --bg: #faf6f1;
  --panel: #ffffff;
  --panel-alt: #f6efe6;
  --border: #ead9c9;
  --text: #372f28;
  --muted: #948577;
  --brand: #c1694a;
  --brand-dark: #a2543a;
  --brand-soft: #f3e2d8;
  --ok: #5f8365;
  --ok-bg: #e8f0e6;
  --warn: #a6791f;
  --warn-bg: #faf0d9;
  --danger: #c1523e;
  --danger-bg: #fbe9e3;
  --shadow: 0 1px 2px rgba(60, 40, 20, 0.04), 0 6px 20px rgba(60, 40, 20, 0.06);
  font-family: "Nunito", -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
}

.topbar {
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  padding: 18px 28px;
  display: flex;
  align-items: center;
  gap: 28px;
  flex-wrap: wrap;
}

.topbar .marca { display: flex; flex-direction: column; }

.topbar h1 {
  font-size: 1.3rem;
  font-weight: 800;
  margin: 0;
  white-space: nowrap;
  color: var(--brand-dark);
  letter-spacing: -0.01em;
}

.topbar .marca .subt {
  font-size: 0.78rem;
  color: var(--muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.empresa-tabs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.empresa-tabs button {
  border: 1px solid var(--border);
  background: var(--panel);
  padding: 8px 16px;
  border-radius: 999px;
  cursor: pointer;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text);
  font-family: inherit;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}
.empresa-tabs button:hover { background: var(--panel-alt); }

.empresa-tabs button.activo {
  background: var(--brand);
  border-color: var(--brand);
  color: #fff;
}

main {
  padding: 24px 28px 60px;
  max-width: 1280px;
  margin: 0 auto;
}

.sesion {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-left: auto;
}
.sesion-usuario {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text);
}
.sesion-salir {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--muted);
  text-decoration: none;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 6px 14px;
  transition: background 0.15s, color 0.15s;
}
.sesion-salir:hover { background: var(--panel-alt); color: var(--text); }

.login-body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
}
.login-wrap { width: 100%; max-width: 360px; padding: 20px; }
.login-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 32px 28px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
}
.login-card h1 {
  font-size: 1.4rem;
  font-weight: 800;
  margin: 0;
  color: var(--brand-dark);
  letter-spacing: -0.01em;
}
.login-card .subt {
  font-size: 0.78rem;
  color: var(--muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 24px;
}
.login-card label {
  font-size: 0.82rem;
  font-weight: 700;
  margin-bottom: 6px;
  margin-top: 14px;
}
.login-card input {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 12px;
  font-family: inherit;
  font-size: 0.95rem;
  background: var(--panel-alt);
  color: var(--text);
}
.login-card button {
  margin-top: 24px;
  background: var(--brand);
  border: none;
  border-radius: 8px;
  padding: 11px;
  color: #fff;
  font-family: inherit;
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  transition: background 0.15s;
}
.login-card button:hover { background: var(--brand-dark); }
.login-error {
  background: var(--danger-bg);
  color: var(--danger);
  border-radius: 8px;
  padding: 8px 12px;
  font-size: 0.85rem;
  font-weight: 600;
  margin: 0 0 4px;
}

.filtros {
  display: flex;
  gap: 10px;
  align-items: center;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.filtros input, .filtros select {
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: 10px;
  font-size: 0.92rem;
  font-family: inherit;
  background: var(--panel);
  color: var(--text);
}
.filtros input:focus, .filtros select:focus, .filtros-avanzados input:focus { outline: 2px solid var(--brand-soft); border-color: var(--brand); }

.filtros input { flex: 1; min-width: 220px; }

.resumen {
  margin-left: auto;
  font-size: 0.85rem;
  color: var(--muted);
}

#btn-filtros-avanzados, #btn-limpiar-filtros {
  padding: 10px 16px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--panel);
  color: var(--text);
  cursor: pointer;
  font-size: 0.88rem;
  font-weight: 600;
  font-family: inherit;
}
#btn-filtros-avanzados:hover, #btn-limpiar-filtros:hover { background: var(--panel-alt); }

.check-generico {
  display: flex; align-items: center; gap: 7px;
  font-size: 0.84rem; color: var(--muted); white-space: nowrap;
}
.check-generico input { accent-color: var(--brand); width: 15px; height: 15px; }

.filtros-avanzados {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 18px;
  margin-bottom: 16px;
  box-shadow: var(--shadow);
}
.campo-rango label { display: block; font-size: 0.72rem; color: var(--muted); font-weight: 700; text-transform: uppercase; letter-spacing: 0.04em; margin-bottom: 5px; }
.campo-rango div { display: flex; align-items: center; gap: 6px; }
.campo-rango input {
  width: 100%; min-width: 0; padding: 8px 10px; border: 1px solid var(--border);
  border-radius: 8px; background: var(--bg); color: var(--text); font-size: 0.88rem; font-family: inherit;
}
.filtros-avanzados > button { align-self: end; }

.paginacion {
  display: flex; align-items: center; justify-content: center; gap: 18px;
  margin-top: 18px;
}
.paginacion button {
  padding: 9px 18px; border: 1px solid var(--border); border-radius: 10px;
  background: var(--panel); color: var(--text); cursor: pointer; font-size: 0.88rem; font-weight: 600; font-family: inherit;
}
.paginacion button:hover:not(:disabled) { background: var(--panel-alt); }
.paginacion button:disabled { opacity: 0.4; cursor: default; }

.tabla-wrap {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow-x: auto;
  box-shadow: var(--shadow);
}

table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }

th, td {
  padding: 13px 16px;
  border-bottom: 1px solid var(--border);
  text-align: left;
  white-space: nowrap;
}

th { color: var(--muted); font-weight: 700; font-size: 0.72rem; text-transform: uppercase; letter-spacing: .04em; }

td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }

tbody tr { cursor: pointer; transition: background 0.1s; }
tbody tr:hover { background: var(--panel-alt); }
tbody tr:last-child td { border-bottom: none; }

.badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 700;
}
.badge.al_dia { background: var(--ok-bg); color: var(--ok); }
.badge.vencido { background: var(--danger-bg); color: var(--danger); }
.badge.cancelado { background: var(--panel-alt); color: var(--muted); }
.badge.generico { background: var(--warn-bg); color: var(--warn); }

#sin-resultados { padding: 32px; text-align: center; color: var(--muted); }

.hidden { display: none !important; }

.n { color: var(--muted); font-size: 0.8rem; }

.modal {
  position: fixed; inset: 0; background: rgba(55, 47, 40, .45);
  display: flex; align-items: flex-start; justify-content: center;
  padding: 40px 16px; overflow-y: auto; z-index: 50;
}

.modal-card {
  background: var(--panel);
  border-radius: 18px;
  max-width: 760px;
  width: 100%;
  padding: 28px;
  position: relative;
  max-height: calc(100vh - 80px);
  overflow-y: auto;
  box-shadow: 0 20px 60px rgba(55, 40, 25, 0.25);
}

.cerrar {
  position: absolute; top: 14px; right: 18px;
  border: none; background: transparent; font-size: 1.5rem; cursor: pointer; color: var(--muted);
  line-height: 1;
}
.cerrar:hover { color: var(--text); }

.det-header h2 { margin: 0 0 4px; font-size: 1.2rem; font-weight: 800; }
.det-header .sub { color: var(--muted); font-size: 0.88rem; margin-bottom: 18px; }

.det-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 20px;
}
.det-grid .item { background: var(--panel-alt); border-radius: 12px; padding: 12px 14px; }
.det-grid .item .label { font-size: 0.72rem; color: var(--muted); font-weight: 700; text-transform: uppercase; letter-spacing: 0.03em; }
.det-grid .item .valor { font-size: 1.08rem; font-weight: 800; margin-top: 3px; color: var(--text); }

.abonos-lista { margin: 14px 0; border-top: 1px solid var(--border); padding-top: 14px; }
.abonos-lista h3 { font-size: 0.95rem; font-weight: 800; margin: 0 0 10px; }
.abono-row { display: flex; justify-content: space-between; padding: 8px 0; border-bottom: 1px dashed var(--border); font-size: 0.9rem; gap: 12px; }
.abono-row .n { color: var(--muted); font-size: 0.8rem; white-space: nowrap; }

.seccion-detalle { margin: 18px 0; border-top: 1px solid var(--border); padding-top: 14px; }
.seccion-detalle h3 { font-size: 0.95rem; font-weight: 800; margin: 0 0 8px; }
.seccion-detalle > .n { margin: -4px 0 8px; }
.tabla-mini-wrap { overflow-x: auto; }
.tabla-mini { width: 100%; border-collapse: collapse; font-size: 0.85rem; }
.tabla-mini th, .tabla-mini td { padding: 7px 9px; border-bottom: 1px solid var(--border); text-align: left; white-space: nowrap; }
.tabla-mini th.num, .tabla-mini td.num { text-align: right; font-variant-numeric: tabular-nums; }
.tabla-mini th { color: var(--muted); font-weight: 700; font-size: 0.7rem; text-transform: uppercase; }
.tabla-mini td:first-child { white-space: normal; max-width: 260px; }
.tabla-mini tfoot .fila-total td { border-top: 2px solid var(--text); border-bottom: none; font-weight: 800; padding-top: 9px; }

.form-abono { display: flex; flex-direction: column; gap: 12px; margin-top: 4px; }
.form-abono select { padding: 10px 12px; border: 1px solid var(--border); border-radius: 10px; background: var(--panel); color: var(--text); font-family: inherit; }
.form-abono .fila-campos { display: flex; gap: 8px; flex-wrap: wrap; }
.form-abono input { padding: 10px 12px; border: 1px solid var(--border); border-radius: 10px; font-family: inherit; }
.form-abono input[name="valor"] { width: 150px; }
.form-abono input[name="fecha"] { width: 150px; }
.form-abono input[name="nota"] { flex: 1; min-width: 140px; }
.form-abono button {
  background: var(--brand); color: #fff; border: none; padding: 11px 20px;
  border-radius: 10px; cursor: pointer; font-weight: 700; align-self: flex-start; font-family: inherit; font-size: 0.92rem;
  transition: background 0.15s;
}
.form-abono button:hover { background: var(--brand-dark); }

.tipo-abono { display: flex; gap: 18px; flex-wrap: wrap; font-size: 0.9rem; }
.tipo-abono label { display: flex; align-items: center; gap: 6px; cursor: pointer; }
.tipo-abono input[type="radio"] { accent-color: var(--brand); }
.tipo-abono input[type="radio"]:disabled + * { color: var(--muted); }

.msg-error { color: var(--danger); font-size: 0.85rem; margin-top: 6px; }