@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  --bg-base:#f0f4f8;--bg-surface:#ffffff;--bg-card:#ffffff;--bg-input:#f8fafc;--bg-hover:#f1f5f9;
  --accent:#1d4ed8;--accent-light:#3b82f6;--accent-dim:rgba(29,78,216,.08);--accent-border:rgba(29,78,216,.2);
  --success:#16a34a;--success-dim:rgba(22,163,74,.1);
  --danger:#dc2626;--danger-dim:rgba(220,38,38,.1);
  --warning:#d97706;--warning-dim:rgba(217,119,6,.1);
  --text-primary:#0f172a;--text-secondary:#475569;--text-muted:#94a3b8;
  --border:#e2e8f0;--border-dark:#cbd5e1;
  --radius:12px;--radius-sm:8px;
  --shadow:0 1px 3px rgba(0,0,0,.08),0 4px 16px rgba(0,0,0,.06);--shadow-sm:0 1px 2px rgba(0,0,0,.06);
  --sidebar-w:250px;--topbar-h:64px;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{font-size:15px;scroll-behavior:smooth}
body{font-family:'Inter',sans-serif;background:var(--bg-base);color:var(--text-primary);min-height:100vh;display:flex;-webkit-font-smoothing:antialiased}
a{color:var(--accent);text-decoration:none}
a:hover{color:var(--accent-light)}

.sidebar{width:var(--sidebar-w);min-height:100vh;background:var(--accent);display:flex;flex-direction:column;position:fixed;top:0;left:0;z-index:100;box-shadow:2px 0 8px rgba(0,0,0,.1)}
.main-wrap{margin-left:var(--sidebar-w);flex:1;display:flex;flex-direction:column;min-height:100vh}
.topbar{height:var(--topbar-h);background:var(--bg-surface);border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;padding:0 28px;position:sticky;top:0;z-index:90;box-shadow:var(--shadow-sm)}
.page-content{padding:28px;flex:1}

.sidebar-brand{padding:20px 16px;border-bottom:1px solid rgba(255,255,255,.15)}
.brand-logo{display:flex;align-items:center;gap:10px}
.brand-icon{width:40px;height:40px;background:rgba(255,255,255,.2);border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:1.2rem}
.brand-name{font-size:1rem;font-weight:700;color:#fff;line-height:1.2}
.brand-sub{font-size:.7rem;color:rgba(255,255,255,.6)}

.sidebar-nav{flex:1;padding:12px 10px;overflow-y:auto}
.nav-section{font-size:.65rem;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:rgba(255,255,255,.45);padding:14px 10px 6px}
.nav-item{display:flex;align-items:center;gap:10px;padding:9px 12px;border-radius:var(--radius-sm);color:rgba(255,255,255,.8);font-size:.875rem;font-weight:500;transition:all .18s;cursor:pointer;margin-bottom:2px;text-decoration:none}
.nav-item:hover{background:rgba(255,255,255,.15);color:#fff}
.nav-item.active{background:rgba(255,255,255,.2);color:#fff;font-weight:600}
.nav-item .nav-icon{font-size:.95rem;width:20px;text-align:center;flex-shrink:0}
.sidebar-footer{padding:12px 10px;border-top:1px solid rgba(255,255,255,.15)}

.topbar-left h1{font-size:1.05rem;font-weight:600;color:var(--text-primary)}
.topbar-left .breadcrumb{font-size:.75rem;color:var(--text-muted)}
.topbar-right{display:flex;align-items:center;gap:12px}

.notif-bell{position:relative;width:38px;height:38px;background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;cursor:pointer;font-size:1rem;transition:all .2s}
.notif-bell:hover{border-color:var(--accent);background:var(--accent-dim)}
.notif-badge{position:absolute;top:-5px;right:-5px;background:var(--danger);color:#fff;font-size:.62rem;font-weight:700;min-width:18px;height:18px;border-radius:9px;display:none;align-items:center;justify-content:center;padding:0 4px;border:2px solid #fff}
.notif-badge.show{display:flex}
.notif-panel{position:absolute;top:var(--topbar-h);right:28px;width:340px;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);z-index:200;display:none;max-height:420px;overflow-y:auto}
.notif-panel.open{display:block;animation:slideDown .2s ease}
@keyframes slideDown{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}
.notif-panel-header{padding:14px 16px;border-bottom:1px solid var(--border);display:flex;justify-content:space-between;align-items:center;font-weight:600;font-size:.9rem}
.notif-item{padding:12px 16px;border-bottom:1px solid var(--border);display:flex;gap:10px;align-items:flex-start;transition:background .15s}
.notif-item:hover{background:var(--bg-hover)}
.notif-item:last-child{border-bottom:none}
.notif-item.unread{border-left:3px solid var(--warning)}
.notif-msg{font-size:.82rem;color:var(--text-secondary);line-height:1.4}
.notif-msg strong{color:var(--text-primary)}
.notif-time{font-size:.72rem;color:var(--text-muted);margin-top:3px}
.btn-marcar-leido{font-size:.72rem;color:var(--accent);cursor:pointer;background:none;border:none;padding:0;margin-top:4px}

.kpi-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin-bottom:24px}
.kpi-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:20px;position:relative;overflow:hidden;transition:box-shadow .2s,transform .2s;box-shadow:var(--shadow-sm)}
.kpi-card:hover{box-shadow:var(--shadow);transform:translateY(-1px)}
.kpi-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:var(--kpi-color,var(--accent))}
.kpi-label{font-size:.73rem;color:var(--text-muted);font-weight:600;letter-spacing:.04em;text-transform:uppercase;margin-bottom:8px}
.kpi-value{font-family:'JetBrains Mono',monospace;font-size:1.6rem;font-weight:500;color:var(--text-primary);line-height:1;margin-bottom:6px}
.kpi-value.positive{color:var(--success)}
.kpi-value.negative{color:var(--danger)}
.kpi-sub{font-size:.75rem;color:var(--text-muted)}
.kpi-icon{position:absolute;top:18px;right:18px;font-size:1.5rem;opacity:.12}

.panel{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;margin-bottom:20px;box-shadow:var(--shadow-sm)}
.panel-header{padding:16px 20px;border-bottom:1px solid var(--border);display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:10px;background:#fafbfc}
.panel-title{font-size:.92rem;font-weight:600;color:var(--text-primary);display:flex;align-items:center;gap:8px}
.panel-body{padding:20px}

table.data-table{width:100%;border-collapse:collapse}
table.data-table th{padding:10px 14px;text-align:left;font-size:.72rem;font-weight:600;letter-spacing:.05em;text-transform:uppercase;color:var(--text-muted);border-bottom:2px solid var(--border);white-space:nowrap;background:#fafbfc}
table.data-table td{padding:11px 14px;font-size:.87rem;color:var(--text-secondary);border-bottom:1px solid var(--border);vertical-align:middle}
table.data-table td:first-child{color:var(--text-primary);font-weight:500}
table.data-table tr:last-child td{border-bottom:none}
table.data-table tr:hover td{background:var(--bg-hover)}

.money{font-family:'JetBrains Mono',monospace;font-size:.88rem}
.money.green{color:var(--success)}.money.red{color:var(--danger)}.money.blue{color:var(--accent)}

.badge{display:inline-flex;align-items:center;padding:3px 9px;border-radius:20px;font-size:.72rem;font-weight:600}
.badge-success{background:var(--success-dim);color:var(--success)}
.badge-danger{background:var(--danger-dim);color:var(--danger)}
.badge-warning{background:var(--warning-dim);color:var(--warning)}
.badge-info{background:var(--accent-dim);color:var(--accent)}
.badge-muted{background:#f1f5f9;color:var(--text-muted)}

.btn{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;border-radius:var(--radius-sm);font-size:.85rem;font-weight:600;font-family:'Inter',sans-serif;cursor:pointer;border:none;transition:all .18s;white-space:nowrap;text-decoration:none}
.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover{background:#1e40af;color:#fff}
.btn-secondary{background:#fff;color:var(--text-secondary);border:1px solid var(--border)}.btn-secondary:hover{border-color:var(--accent);color:var(--accent)}
.btn-danger{background:var(--danger-dim);color:var(--danger);border:1px solid transparent}.btn-danger:hover{background:var(--danger);color:#fff}
.btn-success{background:var(--success-dim);color:var(--success);border:1px solid transparent}.btn-success:hover{background:var(--success);color:#fff}
.btn-sm{padding:5px 12px;font-size:.78rem}.btn-xs{padding:3px 8px;font-size:.72rem}.btn-icon{padding:7px}

.form-group{margin-bottom:18px}
label{display:block;font-size:.8rem;font-weight:600;color:var(--text-secondary);margin-bottom:6px}
input[type="text"],input[type="email"],input[type="password"],input[type="number"],input[type="date"],select,textarea{width:100%;background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-primary);font-family:'Inter',sans-serif;font-size:.88rem;padding:9px 12px;transition:border-color .2s;outline:none}
input:focus,select:focus,textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-dim)}
.form-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:16px}
.form-actions{display:flex;gap:10px;margin-top:24px;padding-top:20px;border-top:1px solid var(--border)}

.alert{padding:12px 16px;border-radius:var(--radius-sm);font-size:.87rem;margin-bottom:18px;display:flex;align-items:center;gap:8px}
.alert-success{background:var(--success-dim);border:1px solid rgba(22,163,74,.2);color:var(--success)}
.alert-danger{background:var(--danger-dim);border:1px solid rgba(220,38,38,.2);color:var(--danger)}
.alert-warning{background:var(--warning-dim);border:1px solid rgba(217,119,6,.2);color:var(--warning)}
.alert-info{background:var(--accent-dim);border:1px solid var(--accent-border);color:var(--accent)}

.modal-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,.4);z-index:500;align-items:center;justify-content:center}
.modal-overlay.open{display:flex;animation:fadeIn .2s ease}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
.modal-box{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);width:90%;max-width:520px;max-height:90vh;overflow-y:auto;box-shadow:0 8px 40px rgba(0,0,0,.15);animation:slideUp .2s ease}
@keyframes slideUp{from{transform:translateY(20px);opacity:0}to{transform:translateY(0);opacity:1}}
.modal-header{padding:18px 20px;border-bottom:1px solid var(--border);display:flex;justify-content:space-between;align-items:center;font-weight:600;font-size:.95rem;background:#fafbfc}
.modal-body{padding:20px}
.modal-close{background:none;border:none;color:var(--text-muted);font-size:1.2rem;cursor:pointer}
.modal-close:hover{color:var(--text-primary)}

.progress{height:7px;background:var(--bg-input);border-radius:4px;overflow:hidden;border:1px solid var(--border)}
.progress-fill{height:100%;border-radius:4px;background:var(--accent);transition:width .4s ease}
.progress-fill.over{background:var(--danger)}.progress-fill.warn{background:var(--warning)}.progress-fill.success{background:var(--success)}

.toast-container{position:fixed;bottom:24px;right:24px;z-index:1000;display:flex;flex-direction:column;gap:8px}
.toast{padding:12px 18px;border-radius:var(--radius-sm);font-size:.85rem;font-weight:500;display:flex;align-items:center;gap:8px;box-shadow:var(--shadow);animation:toastIn .3s ease;max-width:320px;border:1px solid transparent}
.toast-success{background:var(--success-dim);color:var(--success);border-color:rgba(22,163,74,.2)}
.toast-error{background:var(--danger-dim);color:var(--danger);border-color:rgba(220,38,38,.2)}
.toast-warning{background:var(--warning-dim);color:var(--warning);border-color:rgba(217,119,6,.2)}
@keyframes toastIn{from{transform:translateX(20px);opacity:0}to{transform:translateX(0);opacity:1}}

.cat-pill{display:inline-flex;align-items:center;gap:6px;font-size:.85rem;font-weight:500}
.cat-dot{width:9px;height:9px;border-radius:50%;flex-shrink:0}
.empty-state{text-align:center;padding:48px 20px;color:var(--text-muted)}
.empty-state .empty-icon{font-size:2.2rem;margin-bottom:12px;opacity:.5}
.empty-state p{font-size:.9rem}
.venc-rojo{color:var(--danger);font-weight:600}.venc-amarillo{color:var(--warning);font-weight:600}.venc-verde{color:var(--success);font-weight:600}

::-webkit-scrollbar{width:5px;height:5px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:var(--border-dark);border-radius:3px}

@media(max-width:768px){
  .sidebar{transform:translateX(-100%)}.sidebar.open{transform:translateX(0)}
  .main-wrap{margin-left:0}.page-content{padding:16px}
  .kpi-grid{grid-template-columns:1fr 1fr}
  .notif-panel{right:10px;width:calc(100vw - 20px)}
}
@media(max-width:480px){.kpi-grid{grid-template-columns:1fr}}