@import url('https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;0,9..40,700;1,9..40,400&family=DM+Mono:wght@400;500&display=swap');

:root{
  --brand-900:#1a2057;--brand-800:#222a72;--brand-700:#2d3a8c;--brand-600:#3C489C;
  --brand-500:#4f5db8;--brand-400:#6b78cc;--brand-300:#9ba7dd;--brand-100:#e8eaf8;--brand-50:#f4f5fc;
  --gray-950:#0d0f1a;--gray-900:#111827;--gray-800:#1f2937;--gray-700:#374151;
  --gray-600:#4b5563;--gray-500:#6b7280;--gray-400:#9ca3af;--gray-300:#d1d5db;
  --gray-200:#e5e7eb;--gray-100:#f3f4f6;--gray-50:#f9fafb;--white:#ffffff;
  --success-dark:#065f46;--success:#10b981;--success-light:#d1fae5;
  --warning-dark:#92400e;--warning:#f59e0b;--warning-light:#fef3c7;
  --danger-dark:#991b1b;--danger:#ef4444;--danger-light:#fee2e2;
  --info:#3b82f6;--info-light:#dbeafe;
  --sidebar-w:240px;--navbar-h:60px;
  --radius-sm:6px;--radius:10px;--radius-lg:14px;--radius-xl:20px;
  --shadow-xs:0 1px 2px rgba(0,0,0,.05);
  --shadow-sm:0 1px 3px rgba(0,0,0,.08),0 1px 2px rgba(0,0,0,.05);
  --shadow:0 4px 6px -1px rgba(0,0,0,.07),0 2px 4px -1px rgba(0,0,0,.04);
  --shadow-md:0 10px 15px -3px rgba(0,0,0,.08),0 4px 6px -2px rgba(0,0,0,.04);
  --shadow-lg:0 20px 25px -5px rgba(0,0,0,.08),0 10px 10px -5px rgba(0,0,0,.03);
  --t-fast:150ms cubic-bezier(.4,0,.2,1);--t-base:200ms cubic-bezier(.4,0,.2,1);--t-slow:300ms cubic-bezier(.4,0,.2,1);
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{font-size:16px;-webkit-font-smoothing:antialiased}
body{font-family:'DM Sans',sans-serif;background:var(--gray-100);color:var(--gray-900);line-height:1.5}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer}
input,select,textarea{font-family:inherit}
img{display:block;max-width:100%}

.sidebar{position:fixed;top:0;left:0;width:var(--sidebar-w);height:100vh;background:var(--brand-900);display:flex;flex-direction:column;z-index:100;transition:transform var(--t-slow)}
.sidebar-logo{padding:18px 18px 14px;border-bottom:1px solid rgba(255,255,255,.07);display:flex;align-items:center;gap:10px}
.sidebar-logo img{height:32px;background:white;padding:3px 5px;border-radius:var(--radius-sm);object-fit:contain}
.sidebar-logo-text strong{display:block;color:white;font-size:.8rem;font-weight:600;line-height:1.2}
.sidebar-logo-text span{color:rgba(255,255,255,.4);font-size:.68rem}
.sidebar-back{display:flex;align-items:center;gap:8px;padding:10px 12px;margin:10px 12px 0;border-radius:var(--radius);color:rgba(255,255,255,.5);font-size:.78rem;font-weight:500;transition:all var(--t-fast);border:1px solid rgba(255,255,255,.08)}
.sidebar-back:hover{background:rgba(255,255,255,.07);color:rgba(255,255,255,.85)}
.sidebar-section{padding:18px 12px 6px}
.sidebar-section-label{font-size:.63rem;font-weight:600;text-transform:uppercase;letter-spacing:.8px;color:rgba(255,255,255,.3);padding:0 8px;margin-bottom:4px}
.nav-item{display:flex;align-items:center;gap:10px;padding:9px 12px;border-radius:var(--radius);color:rgba(255,255,255,.6);font-size:.84rem;font-weight:500;transition:background var(--t-fast),color var(--t-fast);margin-bottom:2px;position:relative}
.nav-item:hover{background:rgba(255,255,255,.07);color:rgba(255,255,255,.9)}
.nav-item.active{background:rgba(255,255,255,.12);color:white}
.nav-item.active::before{content:'';position:absolute;left:0;top:6px;bottom:6px;width:3px;background:var(--brand-400);border-radius:0 3px 3px 0;margin-left:-12px}
.nav-item i{font-size:.95rem;flex-shrink:0;opacity:.8}
.nav-item.active i{opacity:1}
.sidebar-footer{margin-top:auto;padding:12px;border-top:1px solid rgba(255,255,255,.07)}
.sidebar-user{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:var(--radius);transition:background var(--t-fast)}
.sidebar-user:hover{background:rgba(255,255,255,.07)}
.sidebar-avatar{width:32px;height:32px;border-radius:50%;background:var(--brand-600);display:flex;align-items:center;justify-content:center;color:white;font-size:.75rem;font-weight:700;flex-shrink:0}
.sidebar-user-info strong{display:block;color:white;font-size:.78rem;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.sidebar-user-info span{color:rgba(255,255,255,.4);font-size:.68rem}
.sidebar-user-info{flex:1;min-width:0}
.btn-logout-side{background:none;border:none;color:rgba(255,255,255,.4);padding:4px;border-radius:var(--radius-sm);transition:color var(--t-fast),background var(--t-fast);flex-shrink:0}
.btn-logout-side:hover{color:var(--danger);background:rgba(239,68,68,.1)}

.main-wrap{margin-left:var(--sidebar-w);min-height:100vh;display:flex;flex-direction:column}
.topbar{height:var(--navbar-h);background:var(--white);border-bottom:1px solid var(--gray-200);display:flex;align-items:center;padding:0 28px;gap:16px;position:sticky;top:0;z-index:50}
.topbar-title{font-size:1rem;font-weight:600;color:var(--gray-900)}
.topbar-subtitle{font-size:.77rem;color:var(--gray-500);margin-top:1px}
.topbar-right{margin-left:auto;display:flex;align-items:center;gap:10px}
.topbar-clock{font-family:'DM Mono',monospace;font-size:.81rem;color:var(--gray-500);background:var(--gray-100);padding:5px 12px;border-radius:var(--radius)}
.btn-menu-mobile{display:none;background:none;border:none;color:var(--gray-700);padding:6px;border-radius:var(--radius-sm)}
.sidebar-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,.4);z-index:99}
.sidebar-overlay.show{display:block}
.page-content{padding:28px;flex:1}
.page-header{margin-bottom:24px}
.page-header h1{font-size:1.35rem;font-weight:700;color:var(--gray-900);letter-spacing:-.3px}
.page-header p{color:var(--gray-500);font-size:.87rem;margin-top:3px}

.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin-bottom:24px}
.stat-card{background:var(--white);border-radius:var(--radius-lg);padding:20px 22px;box-shadow:var(--shadow-sm);border:1px solid var(--gray-200);position:relative;overflow:hidden;transition:box-shadow var(--t-base),transform var(--t-base)}
.stat-card:hover{box-shadow:var(--shadow-md);transform:translateY(-1px)}
.stat-card-accent{position:absolute;top:0;right:0;width:80px;height:80px;border-radius:0 var(--radius-lg) 0 80px;opacity:.06}
.stat-card.blue .stat-card-accent{background:var(--brand-600)}
.stat-card.green .stat-card-accent{background:var(--success)}
.stat-card.amber .stat-card-accent{background:var(--warning)}
.stat-card.red .stat-card-accent{background:var(--danger)}
.stat-label{font-size:.71rem;font-weight:600;text-transform:uppercase;letter-spacing:.6px;color:var(--gray-500);margin-bottom:10px}
.stat-value{font-size:2rem;font-weight:700;line-height:1;letter-spacing:-1px;font-variant-numeric:tabular-nums}
.stat-card.blue .stat-value{color:var(--brand-600)}
.stat-card.green .stat-value{color:var(--success)}
.stat-card.amber .stat-value{color:var(--warning)}
.stat-card.red .stat-value{color:var(--danger)}
.stat-meta{font-size:.74rem;color:var(--gray-400);margin-top:6px}
.stat-icon{position:absolute;bottom:16px;right:18px;font-size:1.5rem;opacity:.15}

.card{background:var(--white);border-radius:var(--radius-lg);border:1px solid var(--gray-200);box-shadow:var(--shadow-sm);overflow:hidden}
.card-header{padding:15px 20px;border-bottom:1px solid var(--gray-100);display:flex;align-items:center;gap:10px}
.card-header h2{font-size:.92rem;font-weight:600;color:var(--gray-900);flex:1}
.card-header-icon{width:30px;height:30px;border-radius:var(--radius-sm);background:var(--brand-50);display:flex;align-items:center;justify-content:center;color:var(--brand-600);font-size:.88rem;flex-shrink:0}
.card-body{padding:18px 20px}

.table-wrap{overflow-x:auto}
table.data-table{width:100%;border-collapse:collapse}
.data-table thead th{background:var(--gray-50);font-size:.69rem;font-weight:700;text-transform:uppercase;letter-spacing:.6px;color:var(--gray-500);padding:10px 16px;border-bottom:1px solid var(--gray-200);white-space:nowrap;text-align:left}
.data-table tbody td{padding:12px 16px;font-size:.85rem;border-bottom:1px solid var(--gray-100);color:var(--gray-700);vertical-align:middle}
.data-table tbody tr:last-child td{border-bottom:none}
.data-table tbody tr{transition:background var(--t-fast)}
.data-table tbody tr:hover td{background:var(--gray-50)}
.data-table tbody tr.row-alert td{background:#fff8f8}
.data-table tbody tr.row-alert:hover td{background:#fff0f0}

.badge{display:inline-flex;align-items:center;gap:4px;padding:3px 9px;border-radius:20px;font-size:.71rem;font-weight:600;white-space:nowrap}
.badge-blue{background:var(--brand-100);color:var(--brand-700)}
.badge-green{background:var(--success-light);color:var(--success-dark)}
.badge-amber{background:var(--warning-light);color:var(--warning-dark)}
.badge-red{background:var(--danger-light);color:var(--danger-dark)}
.badge-gray{background:var(--gray-100);color:var(--gray-600)}
.badge-teal{background:#ccfbf1;color:#065f46}

.avatar{width:36px;height:36px;border-radius:50%;object-fit:cover;border:2px solid var(--gray-200);flex-shrink:0}
.avatar-placeholder{width:36px;height:36px;border-radius:50%;background:var(--brand-100);color:var(--brand-600);display:flex;align-items:center;justify-content:center;font-size:.71rem;font-weight:700;flex-shrink:0}

.btn{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;border-radius:var(--radius);font-size:.83rem;font-weight:600;border:1.5px solid transparent;transition:all var(--t-fast);white-space:nowrap;cursor:pointer}
.btn-primary{background:var(--brand-600);color:white;border-color:var(--brand-600)}
.btn-primary:hover{background:var(--brand-700);border-color:var(--brand-700)}
.btn-primary:disabled{opacity:.45;cursor:not-allowed}
.btn-success{background:var(--success);color:white;border-color:var(--success)}
.btn-success:hover{background:#059669;border-color:#059669}
.btn-danger{background:transparent;color:var(--danger);border-color:var(--danger-light)}
.btn-danger:hover{background:var(--danger-light)}
.btn-ghost{background:transparent;color:var(--gray-600);border-color:var(--gray-200)}
.btn-ghost:hover{background:var(--gray-100);color:var(--gray-800)}
.btn-sm{padding:5px 11px;font-size:.77rem}
.btn-lg{padding:11px 22px;font-size:.9rem}
.btn-full{width:100%;justify-content:center}

.form-group{margin-bottom:16px}
.form-label{display:block;font-size:.71rem;font-weight:600;text-transform:uppercase;letter-spacing:.5px;color:var(--gray-500);margin-bottom:6px}
.form-control{width:100%;padding:9px 13px;border:1.5px solid var(--gray-200);border-radius:var(--radius);font-size:.87rem;color:var(--gray-900);background:var(--white);transition:border-color var(--t-fast),box-shadow var(--t-fast);font-family:'DM Sans',sans-serif}
.form-control:focus{outline:none;border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(79,93,184,.12)}
.form-control::placeholder{color:var(--gray-400)}
.form-control:disabled,.form-control[readonly]{background:var(--gray-50);color:var(--gray-500)}
.form-control.is-invalid{border-color:var(--danger)!important}
select.form-control{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236b7280' d='M6 8L1 3h10z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center;padding-right:32px}
.form-hint{font-size:.72rem;color:var(--gray-400);margin-top:4px}
.form-error{font-size:.72rem;color:var(--danger);margin-top:4px;display:none}
.form-error.show{display:block}

.alert{padding:12px 16px;border-radius:var(--radius);font-size:.85rem;display:flex;align-items:flex-start;gap:10px;margin-bottom:18px}
.alert i{flex-shrink:0;margin-top:1px}
.alert-danger{background:var(--danger-light);color:var(--danger-dark);border:1px solid #fca5a5}
.alert-success{background:var(--success-light);color:var(--success-dark);border:1px solid #6ee7b7}
.alert-warning{background:var(--warning-light);color:var(--warning-dark);border:1px solid #fcd34d}
.alert-info{background:var(--info-light);color:#1e40af;border:1px solid #93c5fd}

.search-wrap{position:relative}
.search-wrap .search-icon{position:absolute;left:12px;top:50%;transform:translateY(-50%);color:var(--gray-400);pointer-events:none;font-size:.9rem}
.search-wrap .form-control{padding-left:36px}
.dropdown-list{position:absolute;top:calc(100% + 6px);left:0;right:0;background:white;border:1px solid var(--gray-200);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);z-index:200;display:none;overflow:hidden;max-height:240px;overflow-y:auto}
.dropdown-item{padding:11px 16px;cursor:pointer;font-size:.85rem;border-bottom:1px solid var(--gray-100);transition:background var(--t-fast);display:flex;align-items:center;gap:10px}
.dropdown-item:last-child{border-bottom:none}
.dropdown-item:hover{background:var(--brand-50)}
.dropdown-item strong{color:var(--gray-900)}
.dropdown-item span{color:var(--gray-400);font-size:.77rem}

.mono{font-family:'DM Mono',monospace;font-size:.81rem;color:var(--gray-600)}
.divider{border:none;border-top:1px solid var(--gray-100);margin:18px 0}
.empty-state{text-align:center;padding:48px 20px;color:var(--gray-400)}
.empty-state i{font-size:2.6rem;opacity:.2;display:block;margin-bottom:12px}
.empty-state p{font-size:.88rem}

.modal-overlay{position:fixed;inset:0;z-index:1000;background:rgba(0,0,0,.5);display:flex;align-items:center;justify-content:center;padding:16px;animation:fadeIn .2s ease}
.modal-box{background:white;border-radius:16px;width:100%;max-width:440px;box-shadow:0 24px 64px rgba(0,0,0,.25);overflow:hidden;animation:slideUp .25s ease}
.modal-box.lg{max-width:600px}
@keyframes slideUp{from{transform:translateY(16px);opacity:0}to{transform:translateY(0);opacity:1}}
.modal-header{padding:18px 22px 14px;border-bottom:1px solid var(--gray-100);display:flex;align-items:center;gap:10px}
.modal-header h3{font-size:.93rem;font-weight:700;margin:0;flex:1}
.modal-body{padding:18px 22px}
.modal-footer{padding:14px 22px;border-top:1px solid var(--gray-100);display:flex;gap:10px;justify-content:flex-end}
.modal-close-btn{background:none;border:none;color:var(--gray-400);font-size:1.1rem;cursor:pointer;padding:2px;border-radius:4px;transition:color var(--t-fast)}
.modal-close-btn:hover{color:var(--danger)}

#toast-container{position:fixed;bottom:20px;right:20px;z-index:9999;display:flex;flex-direction:column;gap:8px}
.toast{padding:12px 18px;border-radius:var(--radius);font-size:.84rem;font-weight:600;box-shadow:var(--shadow-md);animation:fadeIn .2s ease;min-width:220px;max-width:320px;display:flex;align-items:center;gap:8px}
.toast-ok{background:var(--success);color:white}
.toast-err{background:var(--danger);color:white}
.toast-info{background:var(--brand-600);color:white}

.live-dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--success);margin-right:5px;animation:pulse-dot 2s infinite}
@keyframes pulse-dot{0%,100%{opacity:1}50%{opacity:.3}}

.foto-preview-img{width:90px;height:90px;border-radius:50%;object-fit:cover;border:3px solid var(--gray-200);display:block;margin:0 auto 10px}
.foto-upload-btn{font-size:.74rem;color:var(--brand-600);font-weight:600;cursor:pointer;display:block;text-align:center}

.inv-section-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;flex-wrap:wrap;gap:8px}
.inv-filter-row{display:flex;gap:8px;align-items:flex-end;flex-wrap:wrap;margin-bottom:16px}
.inv-filter-row .form-group{margin:0}
.inv-filter-row .form-control{font-size:.84rem;padding:8px 12px}
.autocomplete-result{position:absolute;top:100%;left:0;right:0;background:white;border:1px solid var(--gray-200);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);z-index:200;max-height:220px;overflow-y:auto;margin-top:4px}
.autocomplete-result .dropdown-item{font-size:.84rem}
.cantidad-input{width:72px;padding:5px 8px;border:1.5px solid var(--gray-200);border-radius:var(--radius-sm);font-size:.84rem;text-align:center;font-family:'DM Mono',monospace}
.cantidad-input:focus{outline:none;border-color:var(--brand-500)}
.btn-del-row{background:var(--danger-light);color:var(--danger-dark);border:none;border-radius:var(--radius-sm);width:26px;height:26px;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;font-size:.8rem}
.entidad-info{background:var(--gray-50);border:1px solid var(--gray-200);border-left:3px solid var(--brand-400);border-radius:var(--radius);padding:10px 14px;font-size:.82rem;line-height:1.8;display:none;margin-top:6px}
.entidad-info label{font-size:.68rem;font-weight:700;text-transform:uppercase;color:var(--gray-400);letter-spacing:.5px}
.tipo-chips{display:flex;gap:8px;margin-bottom:16px;flex-wrap:wrap}
.tipo-chip{padding:6px 16px;border-radius:20px;border:1.5px solid var(--gray-200);font-size:.82rem;font-weight:600;cursor:pointer;color:var(--gray-600);background:transparent;transition:all var(--t-fast);font-family:'DM Sans',sans-serif}
.tipo-chip:hover{border-color:var(--brand-400);color:var(--gray-900)}
.tipo-chip.sel-nore{background:var(--danger-light);color:var(--danger-dark);border-color:#fca5a5}
.tipo-chip.sel-pres{background:var(--info-light);color:#1e40af;border-color:#93c5fd}

@keyframes fadeIn{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}
.fade-in{animation:fadeIn .3s ease forwards}

@media(max-width:768px){
  .sidebar{transform:translateX(-100%)}
  .sidebar.open{transform:translateX(0);box-shadow:var(--shadow-lg)}
  .main-wrap{margin-left:0}
  .btn-menu-mobile{display:flex}
  .page-content{padding:16px}
  .topbar{padding:0 16px}
  .stats-grid{grid-template-columns:1fr 1fr;gap:12px}
}
@media(max-width:480px){.stats-grid{grid-template-columns:1fr}}
@media print{
  .sidebar,.topbar,.btn,.modal-overlay,#toast-container{display:none!important}
  .main-wrap{margin-left:0}
  .page-content{padding:0}
}