:root{--primary:#2563eb;--primary-dark:#1d4ed8;--secondary:#64748b;--success:#16a34a;--warning:#d97706;--danger:#dc2626;--bg:#f1f5f9;--surface:#fff;--border:#e2e8f0;--text:#1e293b;--text-muted:#64748b;--nav-h:60px;--radius:8px;--shadow:0 1px 3px rgba(0,0,0,.1);--shadow-md:0 4px 6px rgba(0,0,0,.07)}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;background:var(--bg);color:var(--text);font-size:14px;line-height:1.6}
.navbar{position:sticky;top:0;z-index:100;background:#1e293b;color:#fff;height:var(--nav-h);display:flex;align-items:center;padding:0 1.5rem;gap:1rem;box-shadow:var(--shadow-md)}
.navbar-brand{display:flex;align-items:center;gap:.75rem;min-width:220px}
.navbar-brand a{color:#fff;text-decoration:none;font-size:1.1rem;display:flex;align-items:center;gap:.4rem}
.navbar-brand a:hover{color:#93c5fd}
.tenant-name{font-size:.72rem;color:#94a3b8;background:rgba(255,255,255,.1);padding:.15rem .5rem;border-radius:4px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:160px}
.navbar-menu{display:flex;align-items:center;gap:.2rem;flex:1;flex-wrap:wrap}
.nav-link{color:#cbd5e1;text-decoration:none;padding:.4rem .65rem;border-radius:var(--radius);font-size:.8rem;transition:background .15s,color .15s;white-space:nowrap}
.nav-link:hover,.nav-link.active{background:rgba(255,255,255,.12);color:#fff}
.navbar-user{display:flex;align-items:center;gap:.75rem;margin-left:auto}
.notif-btn{color:#cbd5e1;text-decoration:none;font-size:.9rem;position:relative;padding:.3rem .5rem}
.notif-btn.has-badge{color:#fbbf24}
.badge{background:var(--danger);color:#fff;font-size:.65rem;border-radius:10px;padding:.1rem .35rem;position:absolute;top:-2px;right:-4px}
.user-menu{position:relative;cursor:pointer}
.user-name{color:#e2e8f0;font-size:.8rem;padding:.3rem .6rem;border-radius:var(--radius);background:rgba(255,255,255,.08)}
.user-dropdown{display:none;position:absolute;right:0;top:calc(100% + 8px);background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);min-width:150px;box-shadow:var(--shadow-md);z-index:200}
.user-dropdown a{display:block;padding:.6rem 1rem;color:var(--text);text-decoration:none;font-size:.85rem}
.user-dropdown a:hover{background:var(--bg)}
.user-menu:hover .user-dropdown{display:block}
.main-content{max-width:1280px;margin:0 auto;padding:1.5rem;min-height:calc(100vh - var(--nav-h) - 50px)}
.footer{text-align:center;padding:.75rem;color:var(--text-muted);font-size:.75rem;border-top:1px solid var(--border);background:var(--surface)}
.page-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:1.25rem;flex-wrap:wrap;gap:.75rem}
.page-header h1{font-size:1.4rem;font-weight:700}
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);margin-bottom:1.25rem}
.card-header{display:flex;align-items:center;justify-content:space-between;padding:.85rem 1.25rem;border-bottom:1px solid var(--border)}
.card-header h3{font-size:.95rem;font-weight:600}
.card-body{padding:1.25rem}
.stats-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:1rem;margin-bottom:1.5rem}
.stat-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:1.1rem 1.25rem;display:flex;align-items:center;gap:1rem;box-shadow:var(--shadow)}
.stat-card.stat-alert{border-left:4px solid var(--danger)}
.stat-card.stat-warning{border-left:4px solid var(--warning)}
.stat-icon{font-size:2rem}
.stat-number{display:block;font-size:1.8rem;font-weight:700;line-height:1}
.stat-label{display:block;font-size:.73rem;color:var(--text-muted);margin-top:.2rem}
.dashboard-grid{display:grid;grid-template-columns:1fr 1fr;gap:1.25rem}
.detail-grid{display:grid;grid-template-columns:1fr 1fr;gap:1.25rem}
.table{width:100%;border-collapse:collapse;font-size:.85rem}
.table th{background:#f8fafc;font-weight:600;text-align:left;padding:.6rem .9rem;border-bottom:2px solid var(--border);color:var(--text-muted);font-size:.75rem;text-transform:uppercase;letter-spacing:.04em}
.table td{padding:.6rem .9rem;border-bottom:1px solid var(--border);vertical-align:middle}
.table tr:last-child td{border-bottom:none}
.table tr:hover td{background:#f8fafc}
.empty-state{text-align:center;color:var(--text-muted);padding:1.5rem;font-style:italic}
.btn{display:inline-flex;align-items:center;gap:.35rem;padding:.45rem .9rem;border:none;border-radius:var(--radius);font-size:.83rem;font-weight:500;cursor:pointer;text-decoration:none;transition:background .15s,transform .1s;line-height:1.4}
.btn:hover{transform:translateY(-1px)}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-dark)}
.btn-secondary{background:#e2e8f0;color:var(--text)}
.btn-secondary:hover{background:#cbd5e1}
.btn-danger{background:var(--danger);color:#fff}
.btn-sm{padding:.25rem .6rem;font-size:.75rem}
.btn-block{width:100%;justify-content:center;padding:.7rem}
.badge-pill{display:inline-block;padding:.18rem .5rem;border-radius:12px;font-size:.72rem;font-weight:600;text-transform:uppercase;letter-spacing:.04em}
.badge-activo,.badge-cerrada{background:#dcfce7;color:#166534}
.badge-inactivo,.badge-baja{background:#fee2e2;color:#991b1b}
.badge-abierta{background:#fef3c7;color:#92400e}
.badge-en-investigacion{background:#dbeafe;color:#1e40af}
span.badge{position:static;font-size:.72rem;font-weight:600;text-transform:uppercase;padding:.18rem .5rem;border-radius:12px}
span.badge.badge-activo{background:#dcfce7;color:#166534}
span.badge.badge-inactivo,span.badge.badge-baja{background:#fee2e2;color:#991b1b}
span.badge.badge-abierta{background:#fef3c7;color:#92400e}
span.badge.badge-en-investigacion{background:#dbeafe;color:#1e40af}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.form-full{grid-column:1/-1}
.form-group{display:flex;flex-direction:column;gap:.35rem}
.form-group label{font-size:.82rem;font-weight:500;color:var(--text)}
.form-group input,.form-group select,.form-group textarea{border:1px solid var(--border);border-radius:var(--radius);padding:.5rem .75rem;font-size:.9rem;color:var(--text);background:#fff;transition:border-color .15s,box-shadow .15s;font-family:inherit}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(37,99,235,.12)}
.form-actions{display:flex;gap:.75rem;margin-top:1.5rem;padding-top:1rem;border-top:1px solid var(--border)}
.filter-form{display:flex;gap:.75rem;flex-wrap:wrap;margin-bottom:1.25rem;align-items:center}
.filter-form input,.filter-form select{padding:.4rem .75rem;border:1px solid var(--border);border-radius:var(--radius);font-size:.85rem;min-width:160px}
.alert{padding:.8rem 1.1rem;border-radius:var(--radius);margin-bottom:1rem;font-size:.88rem}
.alert-success{background:#dcfce7;color:#166534;border:1px solid #bbf7d0}
.alert-error{background:#fee2e2;color:#991b1b;border:1px solid #fecaca}
.detail-list{display:grid;grid-template-columns:140px 1fr;gap:.4rem .75rem}
.detail-list dt{font-weight:600;font-size:.8rem;color:var(--text-muted);padding-top:.1rem}
.detail-list dd{font-size:.88rem}
.notif-list{list-style:none}
.notif-item{display:flex;align-items:flex-start;gap:1rem;padding:.85rem 1rem;border-bottom:1px solid var(--border)}
.notif-item.leida{opacity:.55}
.notif-icon{font-size:1.5rem;flex-shrink:0}
.notif-body{flex:1}
.notif-body p{margin-top:.2rem;color:var(--text-muted);font-size:.85rem}
.notif-time{font-size:.73rem;color:var(--text-muted)}
.pagination{display:flex;gap:.4rem;margin-top:1rem;justify-content:center}
.pagination a{display:inline-block;padding:.35rem .65rem;border:1px solid var(--border);border-radius:var(--radius);font-size:.82rem;color:var(--text);text-decoration:none}
.pagination a.active{background:var(--primary);color:#fff;border-color:var(--primary)}
.pagination a:hover:not(.active){background:var(--bg)}
.text-danger{color:var(--danger);font-weight:600}
.text-warning{color:var(--warning);font-weight:600}
.text-muted{color:var(--text-muted)}
.admin-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:1.25rem}
.admin-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:1.5rem;text-align:center;text-decoration:none;color:var(--text);transition:transform .15s,box-shadow .15s;box-shadow:var(--shadow)}
.admin-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:var(--primary)}
.admin-card-icon{font-size:2.5rem;margin-bottom:.75rem}
.admin-card h3{font-size:1rem;margin-bottom:.3rem}
.admin-card p{font-size:.82rem;color:var(--text-muted)}
.auth-body{background:linear-gradient(135deg,#1e3a8a,#1e40af);min-height:100vh;display:flex;align-items:center;justify-content:center}
.auth-container{width:100%;max-width:420px;padding:1rem}
.auth-card{background:#fff;border-radius:12px;padding:2.5rem;box-shadow:0 20px 50px rgba(0,0,0,.25)}
.auth-logo{font-size:1.5rem;text-align:center;margin-bottom:.5rem}
.auth-card h2{text-align:center;font-size:1.1rem;color:var(--text-muted);margin-bottom:.25rem}
.auth-subtitle{text-align:center;font-size:.82rem;color:var(--text-muted);margin-bottom:1.5rem}
.auth-form{display:flex;flex-direction:column;gap:.9rem}
.auth-footer{text-align:center;margin-top:1rem;font-size:.83rem}
.auth-footer a{color:var(--primary)}
@media(max-width:900px){.dashboard-grid,.detail-grid{grid-template-columns:1fr}}
@media(max-width:768px){.form-grid{grid-template-columns:1fr}.stats-grid{grid-template-columns:1fr 1fr}.navbar-menu{display:none}.detail-list{grid-template-columns:1fr}}