:root {
  --bg: #f5f6f8;
  --card: #ffffff;
  --border: #e2e5eb;
  --text: #1f2430;
  --muted: #6b7280;
  --primary: #16794f;
  --primary-dark: #0f5c3a;
  --danger: #b3261e;
  --warn: #a15c00;
  --radius: 10px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 15px;
}

.topbar { background: var(--primary-dark); }
.topbar-inner {
  max-width: 1150px;
  margin: 0 auto;
  padding: 14px 20px;
  display: flex;
  align-items: center;
  gap: 28px;
}
.brand { color: #fff; font-weight: 700; font-size: 18px; text-decoration: none; }
.topbar nav { flex: 1; }
.topbar nav a { color: #d7ede1; text-decoration: none; margin-right: 18px; font-size: 14px; }
.topbar nav a:hover { color: #fff; }

.user-menu { display: flex; align-items: center; gap: 10px; }
.user-name { color: #fff; font-size: 13.5px; font-weight: 600; }
.btn-link {
  background: none; border: none; color: #d7ede1; text-decoration: underline;
  cursor: pointer; font-size: 13px; padding: 0; font-family: inherit;
}
.btn-link:hover { color: #fff; }

.container { max-width: 1150px; margin: 0 auto; padding: 24px 20px 60px; }

h1 { font-size: 22px; margin: 0 0 4px; }
h2 { font-size: 17px; margin: 18px 0 12px; }

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin: 24px 0 16px;
  flex-wrap: wrap;
  gap: 10px;
}
.section-header h1, .section-header h2 { margin: 0; }

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 14px;
  margin: 18px 0 8px;
}
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 18px;
}
.card-value { font-size: 24px; font-weight: 700; }
.card-label { color: var(--muted); font-size: 12.5px; margin-top: 4px; }
.card-warning .card-value { color: var(--warn); }

.panel {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 20px;
}

table.table { width: 100%; border-collapse: collapse; font-size: 14px; background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.table th, .table td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--border); }
.table th { color: var(--muted); font-weight: 600; font-size: 12.5px; text-transform: uppercase; letter-spacing: .03em; background: #fafbfc; }
.table tr:last-child td { border-bottom: none; }
.table tbody tr:hover { background: #fafbfc; }
.table .empty { text-align: center; color: var(--muted); padding: 30px 0; }

a { color: var(--primary); }
.table td a:not(.btn) { font-weight: 600; text-decoration: none; }
.table td a:not(.btn):hover { text-decoration: underline; }

.btn {
  display: inline-block;
  background: #fff;
  color: var(--text);
  border: 1px solid var(--border);
  padding: 9px 16px;
  border-radius: 7px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
}
.btn:hover { background: #f2f3f5; }
.btn-primary { background: var(--primary); color: #fff; border-color: var(--primary); }
.btn-primary:hover { background: var(--primary-dark); border-color: var(--primary-dark); }
.btn-secondary { background: #fff; color: var(--text); }
.btn-danger { background: var(--danger); color: #fff; border-color: var(--danger); }
.btn-small { padding: 5px 10px; font-size: 12.5px; }
.btn:disabled { opacity: .6; cursor: not-allowed; }

.filters { display: flex; gap: 6px; margin-bottom: 16px; }
.filters a { padding: 7px 14px; border-radius: 7px; text-decoration: none; color: var(--text); font-size: 13.5px; font-weight: 600; background: #fff; border: 1px solid var(--border); }
.filters a.active { background: var(--primary); color: #fff; border-color: var(--primary); }

form.form { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; max-width: 560px; }
form.form label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 14px; color: #3a4150; }
form.form label > input, form.form label > select, form.form label > textarea { margin-top: 5px; }
input[type=text], input[type=number], input[type=date], input[type=tel], input[type=email], input[type=password], select, textarea {
  width: 100%;
  padding: 9px 11px;
  border: 1px solid var(--border);
  border-radius: 7px;
  font-size: 14px;
  font-family: inherit;
  background: #fff;
  color: var(--text);
}
textarea { resize: vertical; min-height: 60px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-actions { margin-top: 6px; display: flex; gap: 10px; align-items: center; }

.badge { display: inline-block; padding: 3px 9px; border-radius: 20px; font-size: 12px; font-weight: 600; }
.badge-activo { background: #e4f4ea; color: var(--primary-dark); }
.badge-pagado { background: #e6eaf5; color: #2d3f8f; }
.badge-atrasado { background: #fbe7d8; color: var(--warn); }
.badge-cancelado { background: #f2e4e4; color: var(--danger); }
.badge-sin-desembolso { background: #eef0f4; color: #4b5563; }
.badge-rol { background: #eef0f4; color: #3a4150; }

.flash { padding: 11px 16px; border-radius: 7px; margin: 18px 0; font-size: 14px; }
.flash-success { background: #e4f4ea; color: var(--primary-dark); }
.flash-error { background: #fbe4e2; color: var(--danger); }

.ajax-msg { font-size: 13.5px; margin-top: 10px; }
.ajax-msg.ok { color: var(--primary-dark); }
.ajax-msg.error { color: var(--danger); }

.muted { color: var(--muted); }
.empty { color: var(--muted); padding: 30px 0; text-align: center; font-size: 14px; }

.stat-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 14px; margin-bottom: 18px; }
.stat-row .stat-label { color: var(--muted); font-size: 12.5px; margin-bottom: 4px; }
.stat-row .stat-value { font-size: 19px; font-weight: 700; }

/* Login */
.login-body { display: flex; align-items: center; justify-content: center; min-height: 100vh; background: var(--bg); }
.login-box { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 32px; width: 100%; max-width: 380px; }
.login-box .brand { color: var(--text); font-size: 24px; display: block; margin-bottom: 2px; }
.login-box .form { border: none; padding: 0; max-width: none; margin-top: 16px; }

/* Select2 ajustado a la paleta */
.select2-container .select2-selection--single { height: 40px !important; border-radius: 7px !important; border-color: var(--border) !important; }
.select2-container .select2-selection__rendered { line-height: 38px !important; }
.select2-container .select2-selection__arrow { height: 38px !important; }

/* Modales */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(15, 20, 25, .5);
  display: flex; align-items: center; justify-content: center;
  z-index: 1000; padding: 20px;
}
.modal-overlay[hidden] { display: none; }
.modal-box {
  background: #fff; border-radius: var(--radius); width: 100%; max-width: 480px;
  max-height: 85vh; overflow-y: auto; box-shadow: 0 10px 40px rgba(0,0,0,.2);
}
.modal-box-wide { max-width: 720px; }
.modal-header {
  display: flex; justify-content: space-between; align-items: center;
  padding: 16px 20px; border-bottom: 1px solid var(--border);
}
.modal-header h2 { margin: 0; font-size: 16px; }
.modal-close {
  background: none; border: none; font-size: 22px; line-height: 1; cursor: pointer;
  color: var(--muted); padding: 0 4px;
}
.modal-close:hover { color: var(--text); }
.modal-body { padding: 20px; }
.modal-body form.form { border: none; padding: 0; max-width: none; }

.acciones-cell { display: flex; gap: 5px; flex-wrap: nowrap; align-items: center; }

.resumen-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 8px; }
.resumen-grid .item { background: var(--bg); border-radius: 8px; padding: 10px 12px; }
.resumen-grid .item .label { color: var(--muted); font-size: 12px; margin-bottom: 3px; }
.resumen-grid .item .value { font-weight: 700; font-size: 15px; }

/* Botones de acción con icono (listado de préstamos) */
.btn-icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 34px; height: 34px; border-radius: 8px;
  border: 1px solid var(--border); background: #fff; cursor: pointer;
  color: #4b5563; transition: background .12s, color .12s, border-color .12s;
  padding: 0;
}
.btn-icon svg { width: 17px; height: 17px; stroke: currentColor; fill: none; }
.btn-icon:hover { background: #f2f3f5; }
.btn-icon:disabled { opacity: .4; cursor: not-allowed; }
.btn-icon:disabled:hover { background: #fff; }

.btn-icon-pagar { color: var(--primary); border-color: #bfe3d1; }
.btn-icon-pagar:hover { background: var(--primary); color: #fff; border-color: var(--primary); }

.btn-icon-editar:hover { background: #eef0f4; color: var(--text); border-color: #c7cbd4; }

.btn-icon-resumen { color: #2d5fd6; border-color: #c6d5f7; }
.btn-icon-resumen:hover { background: #2d5fd6; color: #fff; border-color: #2d5fd6; }

.btn-icon-historico { color: #a15c00; border-color: #f0dcb8; }
.btn-icon-historico:hover { background: #a15c00; color: #fff; border-color: #a15c00; }

.btn-icon-eliminar { color: var(--danger); border-color: #f0c7c3; }
.btn-icon-eliminar:hover { background: var(--danger); color: #fff; border-color: var(--danger); }

/* Búsqueda y paginación */
.search-bar {
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px; margin-bottom: 16px; flex-wrap: wrap;
}
.search-form { display: flex; gap: 8px; flex: 1; max-width: 420px; }
.search-form input[type=text] { flex: 1; }
.search-total { color: var(--muted); font-size: 13px; white-space: nowrap; }

.paginacion { display: flex; gap: 4px; justify-content: center; margin: 20px 0; flex-wrap: wrap; }
.pg-link {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 34px; height: 34px; padding: 0 10px;
  border: 1px solid var(--border); border-radius: 7px;
  text-decoration: none; color: var(--text); font-size: 13.5px; background: #fff;
}
.pg-link:hover { background: #f2f3f5; }
.pg-link.active { background: var(--primary); color: #fff; border-color: var(--primary); }
.pg-link.disabled { color: var(--muted); pointer-events: none; opacity: .5; }
.pg-ellipsis { display: inline-flex; align-items: center; padding: 0 4px; color: var(--muted); }