html[data-theme="dark"] {
  --bg: #0f1419;
  --surface: #1a2332;
  --border: #2d3a4f;
  --text: #e8eef5;
  --muted: #8b9cb3;
  --accent: #3d9cf0;
  --accent-dim: #2a6fa8;
  --danger: #e85d5d;
  --ok: #4ecf8a;
  --warning: #e8b04a;
}

html[data-theme="light"] {
  --bg: #e8ecf2;
  --surface: #ffffff;
  --border: #c5cedd;
  --text: #15202b;
  --muted: #5c6b7d;
  --accent: #0d7bd4;
  --accent-dim: #095a9e;
  --danger: #c63d3d;
  --ok: #1f8a4d;
  --warning: #b8860b;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Segoe UI", system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
.wrap { max-width: 1100px; margin: 0 auto; padding: 0 1.25rem; width: 100%; }
.main { flex: 1; padding-bottom: 2rem; }

.site-header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 0.75rem; padding: 0.85rem 1.25rem; }
.brand { color: var(--accent); font-weight: 700; text-decoration: none; font-size: 1.05rem; }
.nav { display: flex; flex-wrap: wrap; gap: 0.65rem 1rem; align-items: center; }
.nav a { color: var(--muted); text-decoration: none; font-size: 0.9rem; }
.nav a:hover { color: var(--accent); }
.nav-guest-end { margin-left: auto; }

.theme-toggle-form { display: inline; margin: 0; }
.theme-toggle-btn { font-size: 0.8rem; padding: 0.35rem 0.75rem; white-space: nowrap; }
.theme-toggle-btn.theme-toggle-icon {
  padding: 0.45rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  line-height: 0;
}
.theme-toggle-btn .theme-icon { display: block; }

.next-interest-period {
  margin: 1rem 0;
  padding: 0.85rem 1rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: rgba(61, 156, 240, 0.06);
}
html[data-theme="light"] .next-interest-period {
  background: rgba(13, 123, 212, 0.08);
}
.next-interest-period > p:first-child { margin-top: 0; }
.next-interest-period > p:last-child { margin-bottom: 0; }

/* Bloque explicativo (p. ej. cotización — primera visita) */
.help-panel {
  margin: 0 0 1.25rem;
  padding: 1rem 1.15rem 1.1rem;
  border-radius: 10px;
  border: 1px solid color-mix(in srgb, var(--accent) 35%, var(--border));
  border-left: 4px solid var(--accent);
  background: color-mix(in srgb, var(--accent) 10%, var(--surface));
  box-shadow: 0 1px 0 color-mix(in srgb, var(--accent) 12%, transparent);
}
html[data-theme="light"] .help-panel {
  background: color-mix(in srgb, var(--accent) 12%, var(--surface));
}
.help-panel__eyebrow {
  margin: 0 0 0.35rem;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
}
.help-panel__title {
  margin: 0 0 0.5rem;
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.3;
  color: var(--text);
}
.help-panel__title .help-panel__accent {
  color: var(--accent);
}
.help-panel__lead {
  margin: 0 0 0.65rem;
  font-size: 0.92rem;
  line-height: 1.5;
  color: var(--text);
}
.help-panel__list {
  margin: 0;
  padding-left: 1.2rem;
  font-size: 0.9rem;
  line-height: 1.55;
  color: var(--text);
}
.help-panel__list li {
  margin-bottom: 0.5rem;
}
.help-panel__list li:last-child {
  margin-bottom: 0;
}
.help-panel__list strong {
  color: var(--accent);
  font-weight: 600;
}

.admin-danger-zone {
  border: 1px solid var(--danger);
  background: rgba(232, 93, 93, 0.06);
}
html[data-theme="light"] .admin-danger-zone {
  background: rgba(198, 61, 61, 0.06);
}
.inline-form-delete { display: inline; margin: 0; }

.site-footer { padding: 1rem; color: var(--muted); font-size: 0.8rem; border-top: 1px solid var(--border); margin-top: auto; }

h1 { font-size: 1.5rem; font-weight: 600; margin: 1.25rem 0 0.75rem; }
h2 { font-size: 1.15rem; margin: 1.5rem 0 0.5rem; color: var(--muted); font-weight: 600; }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.25rem;
  margin-bottom: 1rem;
}

label { display: block; font-size: 0.85rem; color: var(--muted); margin-bottom: 0.25rem; }
input[type="text"], input[type="password"], input[type="number"], input[type="date"], input[type="email"], select, textarea {
  width: 100%; max-width: 420px;
  padding: 0.5rem 0.65rem;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  margin-bottom: 0.75rem;
}
textarea { min-height: 80px; max-width: 100%; }

/* Formulario tipo Bootstrap (grid 12 cols, sin librería externa) */
.form-label {
  display: block;
  font-size: 0.85rem;
  color: var(--muted);
  margin-bottom: 0.35rem;
  font-weight: 500;
}
.mb-3 { margin-bottom: 1rem; }
.mt-3 { margin-top: 1rem; }
.row {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
}
.row.g-2 { gap: 0.5rem; }
.row.g-3 { gap: 1rem; }
.col-12 { grid-column: span 12; min-width: 0; }
.col-md-6 { grid-column: span 12; min-width: 0; }
.col-lg-4 { grid-column: span 12; min-width: 0; }
@media (min-width: 768px) {
  .col-md-6 { grid-column: span 6; }
}
@media (min-width: 992px) {
  .col-lg-4 { grid-column: span 4; }
}
input.form-control,
textarea.form-control,
select.form-control {
  max-width: 100%;
  width: 100%;
  margin-bottom: 0;
}

button, .btn {
  display: inline-block;
  padding: 0.45rem 1rem;
  border-radius: 6px;
  border: none;
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  font-size: 0.9rem;
}
button.secondary, .btn.secondary { background: var(--border); color: var(--text); }
button.danger, .btn.danger { background: var(--danger); }
button:hover, .btn:hover { filter: brightness(1.08); }

.flash { padding: 0.65rem 1rem; border-radius: 8px; margin-bottom: 1rem; }
.flash.ok { background: rgba(78, 207, 138, 0.15); border: 1px solid var(--ok); }
.flash.err { background: rgba(232, 93, 93, 0.15); border: 1px solid var(--danger); }

table.data { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
table.data th, table.data td { text-align: left; padding: 0.5rem 0.6rem; border-bottom: 1px solid var(--border); }
table.data th { color: var(--muted); font-weight: 600; }
table.data tr:hover td { background: rgba(128, 128, 128, 0.06); }
html[data-theme="dark"] table.data tr:hover td { background: rgba(255,255,255,0.03); }

/* DataTables + Responsive (tema claro/oscuro) */
.dataTables_wrapper {
  margin: 0.5rem 0 0;
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
.dataTables_wrapper .dataTables_length,
.dataTables_wrapper .dataTables_filter {
  margin-bottom: 0.75rem;
  font-size: 0.85rem;
  color: var(--muted);
}
.dataTables_wrapper .dataTables_length label,
.dataTables_wrapper .dataTables_filter label {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem;
  margin: 0;
}
.dataTables_wrapper .dataTables_filter input {
  max-width: 100%;
  width: min(100%, 14rem);
  padding: 0.35rem 0.5rem;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  margin: 0;
}
.dataTables_wrapper .dataTables_length select {
  padding: 0.35rem 1.75rem 0.35rem 0.5rem;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  margin: 0 0.25rem;
}
@media (max-width: 640px) {
  .dataTables_wrapper .dataTables_length,
  .dataTables_wrapper .dataTables_filter {
    float: none;
    text-align: left;
  }
  .dataTables_wrapper .dataTables_filter {
    margin-top: 0.5rem;
  }
}
table.dataTable {
  width: 100% !important;
  border-collapse: collapse !important;
  margin: 0 !important;
  background: transparent;
  color: var(--text);
}
table.dataTable thead th,
table.dataTable thead td {
  border-bottom: 1px solid var(--border) !important;
  color: var(--muted) !important;
  font-weight: 600;
  background: var(--surface);
}
table.dataTable tbody th,
table.dataTable tbody td {
  border-bottom: 1px solid var(--border) !important;
  padding: 0.5rem 0.6rem !important;
  vertical-align: middle;
}
table.dataTable tbody tr:hover td {
  background: rgba(128, 128, 128, 0.06) !important;
}
html[data-theme="dark"] table.dataTable tbody tr:hover td {
  background: rgba(255, 255, 255, 0.04) !important;
}
table.dataTable.no-footer {
  border-bottom: none !important;
}
.dataTables_wrapper .dataTables_info {
  padding-top: 0.85rem;
  font-size: 0.8rem;
  color: var(--muted);
}
.dataTables_wrapper .dataTables_paginate {
  padding-top: 0.85rem;
}
.dataTables_wrapper .dataTables_paginate .paginate_button {
  color: var(--muted) !important;
  border: 1px solid var(--border) !important;
  background: var(--surface) !important;
  border-radius: 6px !important;
  margin: 0 0.15rem 0.25rem !important;
  padding: 0.35rem 0.65rem !important;
}
.dataTables_wrapper .dataTables_paginate .paginate_button.current,
.dataTables_wrapper .dataTables_paginate .paginate_button.current:hover {
  color: #fff !important;
  background: var(--accent) !important;
  border-color: var(--accent) !important;
}
.dataTables_wrapper .dataTables_paginate .paginate_button:hover {
  color: var(--text) !important;
  background: var(--bg) !important;
  border-color: var(--accent) !important;
}
.dataTables_wrapper .dataTables_paginate .paginate_button.disabled,
.dataTables_wrapper .dataTables_paginate .paginate_button.disabled:hover {
  opacity: 0.45;
  cursor: not-allowed !important;
}
table.dataTable.dtr-inline.collapsed > tbody > tr > td.dtr-control,
table.dataTable.dtr-inline.collapsed > tbody > tr > th.dtr-control {
  padding-left: 2rem !important;
}
table.dataTable.dtr-inline.collapsed > tbody > tr > td.dtr-control:before,
table.dataTable.dtr-inline.collapsed > tbody > tr > th.dtr-control:before {
  color: var(--accent) !important;
  border-color: var(--accent) !important;
  box-shadow: none !important;
}
table.dataTable > tbody > tr.child ul.dtr-details {
  display: block;
  width: 100%;
  margin: 0;
  padding: 0.5rem 0 0.5rem 0.25rem;
  list-style: none;
}
table.dataTable > tbody > tr.child ul.dtr-details li {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 0.75rem;
  padding: 0.35rem 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.85rem;
}
table.dataTable > tbody > tr.child ul.dtr-details li:last-child {
  border-bottom: none;
}
table.dataTable > tbody > tr.child ul.dtr-details .dtr-title {
  font-weight: 600;
  color: var(--muted);
  min-width: 6rem;
}
table.dataTable > tbody > tr.child ul.dtr-details .dtr-data {
  color: var(--text);
  flex: 1;
  min-width: 0;
}
table.dataTable > tbody > tr.child {
  background: var(--bg) !important;
}
table.dataTable > tbody > tr.child td {
  padding: 0.65rem 0.75rem !important;
}

.kpis { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 0.75rem; margin: 1rem 0; }
.kpi { background: var(--surface); border: 1px solid var(--border); border-radius: 8px; padding: 0.85rem; }
.kpi .val { font-size: 1.35rem; font-weight: 700; color: var(--accent); }
.kpi .lbl { font-size: 0.75rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.04em; }

.row-actions { display: flex; flex-wrap: wrap; gap: 0.5rem; align-items: center; }
.muted { color: var(--muted); font-size: 0.85rem; }

/* Enlace portal cliente: <code> + copiar */
.copy-link-wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: stretch;
  gap: 0.5rem;
  margin: 0.75rem 0 0;
  max-width: 100%;
}
.copy-link-wrap code.copy-link-url {
  flex: 1 1 12rem;
  min-width: 0;
  margin: 0;
  padding: 0.55rem 0.75rem;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font-size: 0.8rem;
  font-family: ui-monospace, "Cascadia Code", "Consolas", monospace;
  word-break: break-all;
  line-height: 1.4;
}
.copy-link-wrap .js-copy-link-btn {
  flex: 0 0 auto;
  align-self: flex-start;
  white-space: nowrap;
}
.copy-link-wrap-table {
  margin: 0;
  max-width: 100%;
}

/* Landing (inicio público) */
.nav-admin {
  border: 1px solid var(--border);
  padding: 0.35rem 0.75rem;
  border-radius: 6px;
}
.landing-hero {
  padding: 2.25rem 0 1.5rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 2rem;
  max-width: 42rem;
}
.landing-kicker {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.72rem;
  color: var(--accent);
  margin: 0 0 0.75rem;
  font-weight: 600;
}
.landing-title {
  font-size: clamp(1.65rem, 4vw, 2.15rem);
  line-height: 1.2;
  margin: 0 0 1rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}
.landing-lead {
  font-size: 1.05rem;
  color: var(--muted);
  margin: 0 0 1.25rem;
  max-width: 38rem;
}
.landing-cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin: 0;
}
.landing-cta { padding: 0.55rem 1.15rem; }
.landing-section {
  padding: 1.75rem 0;
  max-width: 40rem;
}
.landing-section-alt {
  background: linear-gradient(135deg, rgba(61, 156, 240, 0.06) 0%, transparent 55%);
  border-radius: 12px;
  padding: 1.75rem 1.25rem;
  border: 1px solid var(--border);
  margin: 0 0 1rem;
  max-width: none;
}
html[data-theme="light"] .landing-section-alt {
  background: linear-gradient(135deg, rgba(13, 123, 212, 0.1) 0%, transparent 55%);
}
.landing-section h2 {
  margin-top: 0;
  color: var(--text);
  font-size: 1.2rem;
}
.landing-list {
  margin: 0;
  padding-left: 1.15rem;
  color: var(--muted);
}
.landing-list li { margin-bottom: 0.65rem; }
.landing-list strong { color: var(--text); }
.landing-steps {
  margin: 0 0 1rem;
  padding: 0;
  list-style: none;
  counter-reset: step;
}
.landing-steps li {
  display: flex;
  gap: 0.85rem;
  align-items: flex-start;
  margin-bottom: 1rem;
  color: var(--muted);
}
.step-num {
  flex-shrink: 0;
  width: 1.85rem;
  height: 1.85rem;
  border-radius: 8px;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--accent);
  font-weight: 700;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  justify-content: center;
}
.landing-note {
  font-size: 0.9rem;
  color: var(--muted);
  margin: 0;
  font-style: italic;
}

/* Tipo de movimiento (estadísticas / tablas) */
.tipo-banner {
  display: inline-block;
  padding: 0.28rem 0.65rem;
  border-radius: 6px;
  font-size: 0.8rem;
  font-weight: 600;
  line-height: 1.25;
  border: 1px solid transparent;
  white-space: nowrap;
}
.tipo-banner--primary {
  background: color-mix(in srgb, var(--accent) 22%, transparent);
  color: var(--accent);
  border-color: color-mix(in srgb, var(--accent) 45%, transparent);
}
.tipo-banner--success {
  background: color-mix(in srgb, var(--ok) 22%, transparent);
  color: var(--ok);
  border-color: color-mix(in srgb, var(--ok) 45%, transparent);
}
.tipo-banner--warning {
  background: color-mix(in srgb, var(--warning) 24%, transparent);
  color: var(--warning);
  border-color: color-mix(in srgb, var(--warning) 45%, transparent);
}
.tipo-banner--danger {
  background: color-mix(in srgb, var(--danger) 22%, transparent);
  color: var(--danger);
  border-color: color-mix(in srgb, var(--danger) 45%, transparent);
}
.tipo-banner--muted {
  background: color-mix(in srgb, var(--muted) 16%, transparent);
  color: var(--muted);
  border-color: var(--border);
}

/* Galería de medios (garantías, reutilizable) */
.media-gallery__grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-bottom: 1rem;
}
.media-gallery__cell {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.35rem;
  max-width: 140px;
}
.media-gallery__trigger {
  display: block;
  padding: 0;
  margin: 0;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg);
  cursor: pointer;
  overflow: hidden;
  width: 120px;
  min-height: 88px;
  text-align: center;
  color: var(--text);
  font-size: 0.78rem;
}
.media-gallery__trigger:hover {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--accent) 35%, transparent);
}
.media-gallery__thumb {
  display: block;
  width: 120px;
  height: 120px;
  object-fit: cover;
  vertical-align: middle;
}
.media-gallery__trigger--pdf {
  padding: 0.4rem 0.35rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  min-height: 120px;
}
.media-gallery__pdf-badge {
  display: inline-block;
  padding: 0.2rem 0.45rem;
  border-radius: 4px;
  background: color-mix(in srgb, var(--danger) 18%, transparent);
  color: var(--danger);
  font-weight: 700;
  font-size: 0.72rem;
}
.media-gallery__name {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  word-break: break-word;
  line-height: 1.25;
  color: var(--muted);
}
.media-gallery__delete {
  margin: 0;
}
.media-gallery__delete button {
  font-size: 0.72rem;
  padding: 0.2rem 0.45rem;
}

.media-gallery-modal {
  padding: 0;
  border: none;
  border-radius: 10px;
  max-width: min(96vw, 920px);
  max-height: 92vh;
  background: var(--surface);
  color: var(--text);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
}
.media-gallery-modal::backdrop {
  background: rgba(0, 0, 0, 0.55);
}
.media-gallery-modal__inner {
  position: relative;
  padding: 0.75rem 1rem 1rem;
}
.media-gallery-modal__title {
  margin: 0 0 0.65rem;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--muted);
  padding-right: 2rem;
}
.media-gallery-modal__close {
  position: absolute;
  top: 0.4rem;
  right: 0.5rem;
  width: 2rem;
  height: 2rem;
  border: none;
  border-radius: 6px;
  background: var(--border);
  color: var(--text);
  font-size: 1.35rem;
  line-height: 1;
  cursor: pointer;
}
.media-gallery-modal__close:hover {
  background: var(--muted);
}
.media-gallery-modal__img {
  display: block;
  max-width: 100%;
  max-height: min(78vh, 720px);
  width: auto;
  height: auto;
  margin: 0 auto;
  border-radius: 6px;
}
.media-gallery-modal__iframe {
  width: 100%;
  min-height: min(70vh, 600px);
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg);
}
.media-gallery-modal__pdf-link {
  margin: 0.65rem 0 0;
  font-size: 0.88rem;
}
.media-gallery-modal__open-tab {
  color: var(--accent);
}