/* Renovacion Visual V4 - Componentes Avanzados
   Capa segura sobre V1/V2/V3: no modifica lógica ni base de datos. */
:root{
  --v4-ink:#0f172a;
  --v4-muted:#64748b;
  --v4-soft:#f8fafc;
  --v4-surface:rgba(255,255,255,.92);
  --v4-surface-strong:#ffffff;
  --v4-line:rgba(15,23,42,.10);
  --v4-line-strong:rgba(15,23,42,.16);
  --v4-primary:#2563eb;
  --v4-primary-2:#7c3aed;
  --v4-success:#16a34a;
  --v4-warning:#f59e0b;
  --v4-danger:#dc2626;
  --v4-info:#0891b2;
  --v4-radius:24px;
  --v4-radius-sm:16px;
  --v4-shadow:0 24px 70px rgba(15,23,42,.13);
  --v4-shadow-soft:0 14px 34px rgba(15,23,42,.09);
  --v4-focus:0 0 0 .22rem rgba(37,99,235,.18);
}

.visual-v4,
.visual-v4-auth,
.visual-v4-public,
.visual-v4-landing{font-feature-settings:"cv02","cv03","cv04","cv11";}
.visual-v4 .content-wrapper{background:
  radial-gradient(circle at top right,rgba(37,99,235,.10),transparent 34rem),
  radial-gradient(circle at bottom left,rgba(124,58,237,.08),transparent 34rem),
  #f5f7fb!important;}
.visual-v4 .content{padding-bottom:5.8rem;}
.visual-v4-ready .content-wrapper{animation:v4-page-enter .34s ease both;}
@keyframes v4-page-enter{from{opacity:.001;transform:translateY(8px)}to{opacity:1;transform:none}}

/* Barra de progreso global */
.v4-scroll-progress{position:fixed;top:0;left:0;height:3px;width:0;background:linear-gradient(90deg,var(--v4-primary),var(--v4-primary-2));z-index:99999;box-shadow:0 0 18px rgba(37,99,235,.48);transition:width .08s linear;border-radius:0 12px 12px 0;}

/* Superficies premium */
.visual-v4 .card,
.visual-v4 .premium-card,
.visual-v4 .premium-surface,
.visual-v4 .modal-content,
.visual-v4 .dropdown-menu,
.visual-v4 .swal2-popup{border-radius:var(--v4-radius)!important;border:1px solid var(--v4-line)!important;box-shadow:var(--v4-shadow-soft);}
.visual-v4 .card-header{border-bottom:1px solid rgba(15,23,42,.07)!important;background:linear-gradient(180deg,rgba(255,255,255,.95),rgba(255,255,255,.76))!important;border-top-left-radius:var(--v4-radius)!important;border-top-right-radius:var(--v4-radius)!important;}
.visual-v4 .card-title{font-weight:900;color:var(--v4-ink);letter-spacing:-.025em;}
.visual-v4 .premium-hero,
.visual-v4 .v3-command-center,
.visual-v4 .v3-chart-card,
.visual-v4 .v3-insight-panel{position:relative;overflow:hidden;}
.visual-v4 .premium-hero::before,
.visual-v4 .v3-command-center::before,
.visual-v4 .v3-chart-card::before,
.visual-v4 .v3-insight-panel::before{content:"";position:absolute;inset:-2px;background:radial-gradient(circle at 16% 0%,rgba(255,255,255,.26),transparent 22rem),radial-gradient(circle at 100% 0%,rgba(37,99,235,.13),transparent 18rem);pointer-events:none;}
.visual-v4 .premium-hero>* ,
.visual-v4 .v3-command-center>* ,
.visual-v4 .v3-chart-card>* ,
.visual-v4 .v3-insight-panel>*{position:relative;z-index:1;}

/* Header y navegación */
.visual-v4 .premium-topbar{backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border-bottom:1px solid rgba(15,23,42,.08)!important;box-shadow:0 12px 26px rgba(15,23,42,.06)!important;}
.visual-v4 .main-sidebar.premium-sidebar{box-shadow:24px 0 80px rgba(15,23,42,.22)!important;}
.visual-v4 .nav-sidebar .nav-link{isolation:isolate;}
.visual-v4 .nav-sidebar .nav-link::after{content:"";position:absolute;right:10px;top:50%;width:6px;height:6px;border-radius:999px;background:rgba(255,255,255,.92);opacity:0;transform:translateY(-50%) scale(.3);transition:opacity .18s ease,transform .18s ease;}
.visual-v4 .nav-sidebar .nav-link.active::after{opacity:1;transform:translateY(-50%) scale(1);}

/* Botones y acciones */
.visual-v4 .btn{position:relative;overflow:hidden;font-weight:850;letter-spacing:-.01em;}
.visual-v4 .btn-primary,
.visual-v4-auth .btn-primary,
.visual-v4-public .btn-primary{background:linear-gradient(135deg,var(--v4-primary),var(--v4-primary-2))!important;border-color:transparent!important;box-shadow:0 14px 30px rgba(37,99,235,.24)!important;}
.visual-v4 .btn-primary:hover,
.visual-v4-auth .btn-primary:hover,
.visual-v4-public .btn-primary:hover{transform:translateY(-1px);box-shadow:0 18px 38px rgba(37,99,235,.30)!important;}
.visual-v4 .btn-outline-primary{border-color:rgba(37,99,235,.24)!important;background:rgba(37,99,235,.06)!important;color:#1d4ed8!important;}
.visual-v4 .btn-danger{box-shadow:0 12px 26px rgba(220,38,38,.16)!important;}
.visual-v4 .premium-page-actions{display:flex;gap:.55rem;justify-content:flex-end;flex-wrap:wrap;}
.visual-v4 .premium-page-actions .btn{border-radius:999px!important;}

/* Formularios avanzados */
.visual-v4 .form-group label,
.visual-v4-auth .form-group label,
.visual-v4-public .form-group label{font-weight:850;color:#1e293b;margin-bottom:.48rem;}
.visual-v4 .form-control,
.visual-v4 .custom-select,
.visual-v4-auth .form-control,
.visual-v4-public .form-control,
.visual-v4-public .custom-select{border-radius:16px!important;border:1px solid rgba(15,23,42,.13)!important;background:rgba(255,255,255,.93)!important;box-shadow:0 8px 18px rgba(15,23,42,.045);transition:border-color .18s ease,box-shadow .18s ease,transform .18s ease,background .18s ease;}
.visual-v4 .form-control:focus,
.visual-v4 .custom-select:focus,
.visual-v4-auth .form-control:focus,
.visual-v4-public .form-control:focus{border-color:rgba(37,99,235,.52)!important;box-shadow:var(--v4-focus),0 10px 22px rgba(15,23,42,.08)!important;background:#fff!important;}
.v4-field-filled>.form-control,
.v4-field-filled>.custom-select,
.v4-field-filled .form-control{border-color:rgba(22,163,74,.30)!important;}
.v4-required-marker{display:inline-flex;margin-left:.35rem;width:7px;height:7px;border-radius:999px;background:linear-gradient(135deg,var(--v4-warning),var(--v4-danger));vertical-align:middle;box-shadow:0 0 0 3px rgba(245,158,11,.12);}
.v4-form-progress{border:1px solid rgba(37,99,235,.12);background:linear-gradient(180deg,rgba(255,255,255,.92),rgba(248,250,252,.92));border-radius:20px;padding:14px 16px;margin:0 0 18px;box-shadow:0 12px 24px rgba(15,23,42,.055);}
.v4-form-progress-top{display:flex;align-items:center;justify-content:space-between;gap:1rem;margin-bottom:10px;font-weight:900;color:var(--v4-ink);}
.v4-form-progress-top small{font-weight:800;color:var(--v4-muted);}
.v4-form-progress-track{height:9px;border-radius:999px;background:rgba(37,99,235,.10);overflow:hidden;}
.v4-form-progress-bar{height:100%;width:0;background:linear-gradient(90deg,var(--v4-primary),var(--v4-primary-2));border-radius:inherit;transition:width .2s ease;}
.v4-file-helper{display:flex;align-items:flex-start;gap:.72rem;margin-top:.65rem;border:1px dashed rgba(37,99,235,.30);background:rgba(37,99,235,.045);border-radius:18px;padding:.86rem 1rem;color:#1e3a8a;font-weight:750;line-height:1.4;}
.v4-file-helper i{margin-top:.1rem;color:var(--v4-primary);}
.v4-file-list{margin-top:.7rem;display:grid;gap:.45rem;}
.v4-file-pill{display:flex;align-items:center;gap:.55rem;border:1px solid rgba(15,23,42,.10);background:#fff;border-radius:999px;padding:.48rem .75rem;font-weight:800;color:var(--v4-ink);box-shadow:0 8px 18px rgba(15,23,42,.04);}
.v4-file-pill small{color:var(--v4-muted);font-weight:700;margin-left:auto;}

/* Tablas y estados */
.visual-v4 .premium-table-wrap,
.visual-v4 .table-responsive{border-radius:22px;}
.visual-v4 table.table thead th{font-size:.74rem;letter-spacing:.055em;text-transform:uppercase;color:#475569;background:linear-gradient(180deg,#f8fafc,#eef2ff)!important;border-bottom:1px solid rgba(15,23,42,.10)!important;}
.visual-v4 table.table tbody tr{transition:background .16s ease,transform .16s ease,box-shadow .16s ease;}
.visual-v4 table.table tbody tr:hover{background:rgba(37,99,235,.045)!important;}
.v4-empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.55rem;min-height:130px;padding:1.4rem!important;color:var(--v4-muted)!important;text-align:center;font-weight:800;}
.v4-empty-state .v4-empty-icon{width:54px;height:54px;border-radius:20px;display:inline-flex;align-items:center;justify-content:center;background:linear-gradient(135deg,rgba(37,99,235,.10),rgba(124,58,237,.10));color:var(--v4-primary);font-size:1.35rem;}
.v4-status-badge,.visual-v4 .badge{border-radius:999px!important;font-weight:850;padding:.42rem .65rem;letter-spacing:-.01em;}

/* Alertas, toasts y SweetAlert */
.visual-v4 .alert,
.visual-v4-auth .alert,
.visual-v4-public .alert{border-radius:20px!important;border:1px solid rgba(15,23,42,.08)!important;box-shadow:0 14px 30px rgba(15,23,42,.075)!important;font-weight:750;}
.v4-alert-icon{display:inline-flex;width:30px;height:30px;border-radius:12px;align-items:center;justify-content:center;margin-right:.55rem;background:rgba(255,255,255,.65);}
.v4-toast-stack{position:fixed;right:18px;bottom:86px;z-index:100060;display:grid;gap:10px;pointer-events:none;}
.v4-toast{pointer-events:auto;display:flex;align-items:flex-start;gap:12px;max-width:min(390px,calc(100vw - 28px));border:1px solid rgba(15,23,42,.10);background:rgba(255,255,255,.94);backdrop-filter:blur(16px);border-radius:20px;padding:14px 16px;box-shadow:0 22px 58px rgba(15,23,42,.18);animation:v4-toast-in .22s ease both;color:var(--v4-ink);}
.v4-toast.is-leaving{animation:v4-toast-out .18s ease both;}
.v4-toast i{width:34px;height:34px;border-radius:13px;background:rgba(37,99,235,.10);color:var(--v4-primary);display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;}
.v4-toast strong{display:block;font-weight:900;margin-bottom:2px}.v4-toast span{display:block;color:var(--v4-muted);font-weight:700;line-height:1.4}
@keyframes v4-toast-in{from{opacity:0;transform:translateY(14px) scale(.98)}to{opacity:1;transform:none}}
@keyframes v4-toast-out{to{opacity:0;transform:translateY(10px) scale(.98)}}
.visual-v4 .swal2-popup,
.visual-v4-auth .swal2-popup,
.visual-v4-public .swal2-popup{border-radius:28px!important;padding:1.4rem!important;box-shadow:0 34px 90px rgba(15,23,42,.24)!important;}
.swal2-styled.swal2-confirm{background:linear-gradient(135deg,var(--v4-primary),var(--v4-primary-2))!important;border-radius:999px!important;font-weight:900!important;box-shadow:0 14px 32px rgba(37,99,235,.28)!important;}
.swal2-styled.swal2-cancel{border-radius:999px!important;font-weight:900!important;}

/* Modales tipo app */
.visual-v4 .modal-dialog{transition:transform .18s ease!important;}
.visual-v4 .modal-content{overflow:hidden;background:rgba(255,255,255,.98)!important;}
.visual-v4 .modal-header{border-bottom:1px solid rgba(15,23,42,.08)!important;background:linear-gradient(180deg,#fff,#f8fafc)!important;}
.visual-v4 .modal-title{font-weight:950;letter-spacing:-.025em;color:var(--v4-ink);}
.visual-v4 .modal-footer{border-top:1px solid rgba(15,23,42,.08)!important;background:#f8fafc;}
.visual-v4 .modal-backdrop.show{opacity:.62;backdrop-filter:blur(8px);}

/* Paleta rápida */
.v4-command-button{position:fixed;right:18px;bottom:18px;z-index:100030;width:58px;height:58px;border:0;border-radius:22px;background:linear-gradient(135deg,var(--v4-primary),var(--v4-primary-2));color:#fff;box-shadow:0 20px 46px rgba(37,99,235,.34);display:flex;align-items:center;justify-content:center;font-size:1.18rem;cursor:pointer;transition:transform .18s ease,box-shadow .18s ease;}
.v4-command-button:hover{transform:translateY(-2px) scale(1.02);box-shadow:0 26px 60px rgba(37,99,235,.42);}
.v4-command-overlay{position:fixed;inset:0;background:rgba(15,23,42,.42);backdrop-filter:blur(12px);z-index:100050;display:none;align-items:flex-start;justify-content:center;padding:8vh 16px 16px;}
.v4-command-overlay.is-open{display:flex;animation:v4-fade-in .16s ease both;}
.v4-command-panel{width:min(720px,100%);border:1px solid rgba(255,255,255,.40);background:rgba(255,255,255,.96);border-radius:30px;box-shadow:0 34px 110px rgba(15,23,42,.30);overflow:hidden;}
.v4-command-head{display:flex;align-items:center;gap:12px;border-bottom:1px solid rgba(15,23,42,.09);padding:18px 20px;}
.v4-command-head i{width:42px;height:42px;border-radius:16px;display:inline-flex;align-items:center;justify-content:center;background:rgba(37,99,235,.10);color:var(--v4-primary);}
.v4-command-input{border:0!important;background:transparent!important;box-shadow:none!important;font-size:1.12rem;font-weight:850;outline:0;width:100%;}
.v4-command-list{max-height:54vh;overflow:auto;padding:10px;}
.v4-command-item{display:flex;align-items:center;gap:14px;width:100%;border:0;background:transparent;text-align:left;border-radius:18px;padding:13px 14px;color:var(--v4-ink);text-decoration:none!important;cursor:pointer;}
.v4-command-item:hover,.v4-command-item.is-active{background:linear-gradient(135deg,rgba(37,99,235,.08),rgba(124,58,237,.08));}
.v4-command-item .v4-command-ico{width:42px;height:42px;border-radius:16px;display:inline-flex;align-items:center;justify-content:center;background:#eef2ff;color:var(--v4-primary);flex:0 0 auto;}
.v4-command-item strong{display:block;font-weight:950;letter-spacing:-.02em;}
.v4-command-item small{display:block;color:var(--v4-muted);font-weight:700;}
.v4-command-empty{padding:28px;text-align:center;color:var(--v4-muted);font-weight:850;}
.v4-command-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;border-top:1px solid rgba(15,23,42,.08);padding:12px 18px;background:#f8fafc;color:var(--v4-muted);font-weight:800;font-size:.86rem;}
.v4-kbd{display:inline-flex;align-items:center;justify-content:center;min-width:28px;height:26px;padding:0 8px;border-radius:8px;border:1px solid rgba(15,23,42,.13);background:#fff;color:#475569;font-weight:950;box-shadow:0 2px 0 rgba(15,23,42,.10);}
@keyframes v4-fade-in{from{opacity:0}to{opacity:1}}

/* Autenticación y landing */
.visual-v4-auth .login-clean-card,
.visual-v4-auth .force-password-card,
.visual-v4-public .public-shell,
.visual-v4-landing .card{box-shadow:0 30px 90px rgba(15,23,42,.18)!important;border:1px solid rgba(255,255,255,.58)!important;}
.visual-v4-auth .login-v1-brand-panel{position:relative;overflow:hidden;}
.visual-v4-auth .login-v1-brand-panel::after{content:"";position:absolute;inset:auto -12% -24% 28%;height:260px;background:radial-gradient(circle,rgba(255,255,255,.24),transparent 64%);pointer-events:none;}
.visual-v4-auth .login-v1-mini-stat{backdrop-filter:blur(12px);}
.visual-v4-public .public-stepper,
.visual-v4-public .stepbar,
.visual-v4-public .step-progress{border-radius:999px;}

/* Móvil */
@media (max-width: 767.98px){
  .visual-v4 .content{padding-bottom:6.8rem;}
  .visual-v4 .content-header{padding:1.05rem .8rem .35rem!important;}
  .visual-v4 .content-header h1{font-size:1.55rem!important;line-height:1.08;}
  .visual-v4 .premium-page-actions{justify-content:stretch;display:grid;grid-template-columns:1fr;}
  .visual-v4 .premium-page-actions .btn{width:100%;margin:0!important;}
  .visual-v4 .card,.visual-v4 .premium-card,.visual-v4 .premium-surface{border-radius:22px!important;}
  .v4-command-button{bottom:92px;right:14px;width:52px;height:52px;border-radius:20px;}
  .v4-toast-stack{left:12px;right:12px;bottom:154px;}
  .v4-toast{max-width:none;}
  .v4-command-overlay{padding:5vh 10px 10px;align-items:flex-start;}
  .v4-command-panel{border-radius:24px;}
  .v4-command-list{max-height:62vh;}
  .visual-v4 .modal-dialog{margin:0;min-height:100%;display:flex;align-items:flex-end;}
  .visual-v4 .modal-content{border-radius:26px 26px 0 0!important;max-height:88vh;overflow:auto;}
  .visual-v4 table.table:not(.dataTable) thead{display:none;}
  .visual-v4 table.table:not(.dataTable) tbody tr{display:block;margin:.85rem;border:1px solid rgba(15,23,42,.10);border-radius:20px;background:#fff;box-shadow:0 12px 28px rgba(15,23,42,.06);overflow:hidden;}
  .visual-v4 table.table:not(.dataTable) tbody td{display:flex;justify-content:space-between;gap:1rem;border:0!important;border-bottom:1px solid rgba(15,23,42,.06)!important;padding:.82rem 1rem!important;}
  .visual-v4 table.table:not(.dataTable) tbody td:last-child{border-bottom:0!important;}
  .visual-v4 table.table:not(.dataTable) tbody td::before{content:attr(data-label);font-weight:900;color:#475569;text-transform:uppercase;letter-spacing:.04em;font-size:.72rem;}
  .visual-v4 table.table:not(.dataTable) tbody td[colspan]::before{display:none;}
}

@media (prefers-reduced-motion: reduce){
  .visual-v4-ready .content-wrapper,.v4-toast,.v4-command-overlay,.visual-v4 .btn,.visual-v4 table.table tbody tr{animation:none!important;transition:none!important;}
}