:root {
  color-scheme: light;
  --neo-primary: #6366f1;
  --neo-primary-hover: #4f46e5;
  --neo-accent: #14b8a6;
  --neo-bg: #eef2f7;
  --neo-surface: #f7f9fc;
  --neo-surface-raised: #ffffff;
  --neo-text: #172033;
  --neo-muted: #6b7280;
  --neo-border: rgba(148, 163, 184, .22);
  --neo-shadow-dark: rgba(30, 41, 59, .13);
  --neo-shadow-light: rgba(255, 255, 255, .9);
  --neo-sidebar: #111827;
  --neo-sidebar-text: #cbd5e1;
  --neo-radius: 18px;
  --neo-radius-sm: 12px;
}

body.dark-mode {
  color-scheme: dark;
  --neo-bg: #0f172a;
  --neo-surface: #151f32;
  --neo-surface-raised: #1b263b;
  --neo-text: #e5edf8;
  --neo-muted: #94a3b8;
  --neo-border: rgba(148, 163, 184, .16);
  --neo-shadow-dark: rgba(0, 0, 0, .38);
  --neo-shadow-light: rgba(51, 65, 85, .22);
  --neo-sidebar: #0b1120;
  --neo-sidebar-text: #cbd5e1;
}

html.neo-dark-loading {
  color-scheme: dark;
  --neo-bg: #0f172a;
  --neo-surface: #151f32;
  --neo-surface-raised: #1b263b;
  --neo-text: #e5edf8;
  --neo-muted: #94a3b8;
}

html, body { background: var(--neo-bg); }

body {
  color: var(--neo-text);
  font-family: "Roboto", "Segoe UI", sans-serif !important;
  letter-spacing: -.01em;
  transition: background-color .25s ease, color .25s ease;
}

.wrapper, .content-wrapper { background: var(--neo-bg) !important; }
.content-wrapper { padding-bottom: 1.25rem; }
.content { padding-top: .75rem; }
.content-header { padding: 1.5rem .5rem .5rem; }
.content-header h1, .content h1, .content h2, .content h3,
.content h4, .content h5, .content h6, .text-dark {
  color: var(--neo-text) !important;
  font-weight: 700;
}

/* Barra superior */
.main-header.navbar {
  min-height: 64px;
  background: color-mix(in srgb, var(--neo-surface-raised) 88%, transparent) !important;
  border: 0;
  border-bottom: 1px solid var(--neo-border);
  box-shadow: 0 10px 28px rgba(15, 23, 42, .06);
  backdrop-filter: blur(14px);
}

.main-header .nav-link {
  color: var(--neo-muted) !important;
  border-radius: 10px;
  margin: 0 .15rem;
  transition: color .18s ease, background .18s ease, transform .18s ease;
}

.main-header .nav-link:hover {
  color: var(--neo-primary) !important;
  background: color-mix(in srgb, var(--neo-primary) 10%, transparent);
  transform: translateY(-1px);
}

#darkmode {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  margin-top: -.05rem;
  border: 1px solid var(--neo-border);
  background: var(--neo-surface) !important;
  box-shadow: 4px 4px 10px var(--neo-shadow-dark), -4px -4px 10px var(--neo-shadow-light);
}

/* Navegación lateral */
.main-sidebar { background: var(--neo-sidebar) !important; box-shadow: 12px 0 30px rgba(15, 23, 42, .16) !important; }
.brand-link { min-height: 64px; border-bottom: 1px solid rgba(148, 163, 184, .12) !important; }
.brand-link .brand-image { box-shadow: none !important; }
.brand-text { color: #f8fafc; font-weight: 700 !important; letter-spacing: -.02em; }
.user-panel { border-bottom-color: rgba(148, 163, 184, .12) !important; }
.user-panel .info a { color: #f1f5f9 !important; font-weight: 600; }
.form-control-sidebar, .btn-sidebar {
  color: var(--neo-sidebar-text) !important;
  background: rgba(255,255,255,.06) !important;
  border-color: rgba(148,163,184,.14) !important;
}
.nav-sidebar .nav-link {
  color: var(--neo-sidebar-text) !important;
  margin: .2rem .55rem;
  padding: .7rem .8rem;
  border-radius: 11px;
  transition: background .18s ease, color .18s ease, transform .18s ease;
}
.nav-sidebar .nav-link:hover {
  color: #fff !important;
  background: rgba(99,102,241,.18) !important;
  transform: translateX(3px);
}
.nav-sidebar .nav-link.active {
  color: #fff !important;
  background: linear-gradient(135deg, var(--neo-primary), #8b5cf6) !important;
  box-shadow: 0 8px 20px rgba(99,102,241,.28);
}

/* Superficies neo */
.card, .info-box, .small-box, fieldset, .modal-content, .callout,
.box, .jumbotron, .list-group-item {
  color: var(--neo-text);
  background: var(--neo-surface) !important;
  border: 1px solid var(--neo-border) !important;
  border-radius: var(--neo-radius) !important;
  box-shadow: 9px 9px 22px var(--neo-shadow-dark), -9px -9px 22px var(--neo-shadow-light) !important;
}
.card-header, .card-footer, .modal-header, .modal-footer {
  color: var(--neo-text);
  background: transparent !important;
  border-color: var(--neo-border) !important;
}
.card-title, legend { color: var(--neo-text); font-weight: 700; }
fieldset { padding: 1rem 1.15rem !important; margin-bottom: 1.25rem; }
fieldset legend { width: auto; padding: 0 .65rem; font-size: .82rem; letter-spacing: .08em; }
.info-box { min-height: 104px; overflow: hidden; transition: transform .2s ease, box-shadow .2s ease; }
.info-box:hover { transform: translateY(-3px); }
.info-box .info-box-icon { width: 74px; border-radius: 14px; margin: 10px; }
.info-box-number { font-size: 1.35rem; color: var(--neo-text); }

/* Formularios */
label { color: var(--neo-muted); font-size: .78rem; font-weight: 700; letter-spacing: .035em; }
.form-control, .custom-select, .select2-container--bootstrap4 .select2-selection,
.bootstrap-select > .dropdown-toggle, .input-group-text {
  min-height: 43px;
  color: var(--neo-text) !important;
  background: var(--neo-surface-raised) !important;
  border: 1px solid var(--neo-border) !important;
  border-radius: var(--neo-radius-sm) !important;
  box-shadow: inset 2px 2px 5px rgba(15,23,42,.07), inset -2px -2px 5px rgba(255,255,255,.5);
}
body.dark-mode .form-control, body.dark-mode .custom-select,
body.dark-mode .select2-container--bootstrap4 .select2-selection,
body.dark-mode .bootstrap-select > .dropdown-toggle, body.dark-mode .input-group-text {
  box-shadow: inset 2px 2px 6px rgba(0,0,0,.25), inset -2px -2px 5px rgba(51,65,85,.18);
}
.form-control:focus, .custom-select:focus {
  border-color: var(--neo-primary) !important;
  box-shadow: 0 0 0 3px rgba(99,102,241,.15) !important;
}
.form-control[readonly], .form-control:disabled { opacity: .72; }

/* Botones */
.btn {
  border-radius: 11px !important;
  font-weight: 600;
  border-width: 1px;
  transition: transform .16s ease, box-shadow .16s ease, filter .16s ease;
}
.btn:hover { transform: translateY(-2px); filter: saturate(1.08); }
.btn:active { transform: translateY(0); }
.btn-primary { background: linear-gradient(135deg, var(--neo-primary), #8b5cf6) !important; border-color: transparent !important; box-shadow: 0 7px 16px rgba(99,102,241,.25); }
.btn-success { background: linear-gradient(135deg, #10b981, var(--neo-accent)) !important; border-color: transparent !important; }
.btn-danger { background: linear-gradient(135deg, #ef4444, #f43f5e) !important; border-color: transparent !important; }
.btn-warning { background: linear-gradient(135deg, #f59e0b, #fbbf24) !important; border-color: transparent !important; color: #422006 !important; }
.botonesespeciales { min-height: 88px; padding: .75rem 1rem !important; background: var(--neo-surface) !important; border-color: var(--neo-border) !important; color: var(--neo-text) !important; box-shadow: 6px 6px 14px var(--neo-shadow-dark), -6px -6px 14px var(--neo-shadow-light); }
.botonesespeciales:hover { color: var(--neo-primary) !important; border-color: rgba(99,102,241,.4) !important; }

/* Tablas, menús y ventanas */
.table { color: var(--neo-text); background: transparent; }
.table thead th { color: var(--neo-muted); background: color-mix(in srgb, var(--neo-primary) 7%, var(--neo-surface)); border-color: var(--neo-border); font-size: .76rem; text-transform: uppercase; letter-spacing: .045em; }
.table td, .table th { border-color: var(--neo-border) !important; vertical-align: middle; }
.table-hover tbody tr:hover { color: var(--neo-text); background: color-mix(in srgb, var(--neo-primary) 6%, transparent); }
.dataTables_wrapper { color: var(--neo-text); }
.dropdown-menu, .select2-dropdown, .ui-autocomplete {
  color: var(--neo-text) !important;
  background: var(--neo-surface-raised) !important;
  border: 1px solid var(--neo-border) !important;
  border-radius: 14px !important;
  box-shadow: 0 18px 40px rgba(15,23,42,.18) !important;
}
.dropdown-item { color: var(--neo-text); border-radius: 8px; }
.dropdown-item:hover, .select2-results__option--highlighted { background: rgba(99,102,241,.14) !important; color: var(--neo-primary) !important; }
.modal-backdrop.show { opacity: .62; backdrop-filter: blur(3px); }
.close { color: var(--neo-text); text-shadow: none; }
.pagination .page-link { color: var(--neo-text); background: var(--neo-surface); border-color: var(--neo-border); }
.page-item.active .page-link { background: var(--neo-primary); border-color: var(--neo-primary); }
.main-footer { color: var(--neo-muted); background: var(--neo-surface) !important; border-top: 1px solid var(--neo-border); }
.breadcrumb, .alert { border-radius: var(--neo-radius-sm); }

/* Acceso */
.login-page { min-height: 100vh; background: var(--neo-bg) !important; }
.login-page::before, .login-page::after { content: ""; position: fixed; width: 340px; height: 340px; border-radius: 50%; filter: blur(80px); opacity: .18; pointer-events: none; }
.login-page::before { top: -110px; left: -90px; background: var(--neo-primary); }
.login-page::after { right: -100px; bottom: -120px; background: var(--neo-accent); }
.login-box { width: min(410px, calc(100% - 2rem)); position: relative; z-index: 1; }
.login-logo a { color: var(--neo-text) !important; font-weight: 800; letter-spacing: -.035em; }
.login-card-body { color: var(--neo-text) !important; background: transparent !important; border-radius: var(--neo-radius) !important; padding: 2rem; }
.login-box-msg { color: var(--neo-muted); }
.neo-login-theme { position: fixed; z-index: 5; top: 1rem; right: 1rem; width: 44px; height: 44px; color: var(--neo-text); background: var(--neo-surface); border: 1px solid var(--neo-border); border-radius: 50%; box-shadow: 5px 5px 13px var(--neo-shadow-dark), -5px -5px 13px var(--neo-shadow-light); }

@media (max-width: 767.98px) {
  .content { padding-left: .35rem; padding-right: .35rem; }
  .content-header { padding-top: 1rem; }
  .card, .info-box, .small-box, fieldset, .modal-content { border-radius: 14px !important; box-shadow: 5px 5px 14px var(--neo-shadow-dark), -5px -5px 14px var(--neo-shadow-light) !important; }
  .main-header.navbar { min-height: 58px; }
  .botonesespeciales { min-height: 76px; margin-left: .2rem !important; }
  .login-card-body { padding: 1.4rem; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; }
}