*{margin:0;padding:0;box-sizing:border-box}
:root{--accent:#1a56db;--accent-h:#1543b0;--bg:#f3f4f6;--white:#fff;--text:#1f2937;--muted:#6b7280;--border:#e5e7eb;--sidebar-bg:#111827;--sidebar-text:#d1d5db;--red:#dc2626;--green:#16a34a;--yellow:#d97706;--radius:6px}
body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;font-size:14px;color:var(--text);background:var(--bg);line-height:1.5}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
.body-auth{display:flex;align-items:center;justify-content:center;min-height:100vh;background:var(--sidebar-bg)}
.auth-card{background:var(--white);padding:2.5rem;border-radius:12px;width:100%;max-width:380px;text-align:center}
.auth-card h1{font-size:1.5rem;margin-bottom:.25rem}
.auth-sub{color:var(--muted);margin-bottom:1.5rem;font-size:.9rem}
.auth-footer{margin-top:1rem;font-size:.85rem}
.layout{display:flex;min-height:100vh}
.sidebar{width:240px;background:var(--sidebar-bg);color:var(--sidebar-text);display:flex;flex-direction:column;position:fixed;top:0;left:0;bottom:0;z-index:50;transition:transform .2s}
.sidebar-header{padding:1.25rem;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid rgba(255,255,255,.1)}
.sidebar-header strong{color:#fff;font-size:1.1rem}
.sidebar-close{display:none;background:none;border:none;color:var(--sidebar-text);font-size:1.2rem;cursor:pointer}
.sidebar-emisor{padding:.75rem 1rem;border-bottom:1px solid rgba(255,255,255,.1)}
.sidebar-emisor select{width:100%;background:#1f2937;color:#fff;border:1px solid #374151;padding:.4rem;border-radius:var(--radius);font-size:.85rem}
.sidebar-emisor small{color:var(--sidebar-text);font-size:.8rem}
.sidebar-nav{flex:1;padding:.5rem 0;overflow-y:auto}
.nav-item{display:flex;align-items:center;gap:.6rem;padding:.6rem 1.25rem;color:var(--sidebar-text);font-size:.9rem;border-left:3px solid transparent;transition:all .15s}
.nav-item:hover{background:rgba(255,255,255,.05);color:#fff;text-decoration:none}
.nav-item.active{background:rgba(255,255,255,.08);color:#fff;border-left-color:var(--accent)}
.nav-logout{margin-top:auto;border-top:1px solid rgba(255,255,255,.1)}
.main{flex:1;margin-left:240px;display:flex;flex-direction:column}
.topbar{background:var(--white);padding:.75rem 1.5rem;display:flex;align-items:center;gap:1rem;border-bottom:1px solid var(--border);position:sticky;top:0;z-index:40}
.topbar-title{font-size:1.1rem;font-weight:600;flex:1}
.topbar-user{font-size:.85rem;color:var(--muted)}
.hamburger{display:none;background:none;border:none;font-size:1.4rem;cursor:pointer}
.content{padding:1.5rem;flex:1}
.field{margin-bottom:1rem}
.field label{display:block;font-size:.85rem;font-weight:500;margin-bottom:.25rem;color:var(--text)}
.field input,.field select,.field textarea{width:100%;padding:.5rem .75rem;border:1px solid var(--border);border-radius:var(--radius);font-size:.9rem;background:var(--white);transition:border .15s,box-shadow .15s}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(26,86,219,.15)}
.field input[type="color"]{height:40px;padding:2px;cursor:pointer}
.btn{display:inline-flex;align-items:center;gap:.4rem;padding:.5rem 1rem;border:1px solid var(--border);border-radius:var(--radius);font-size:.85rem;cursor:pointer;background:var(--white);color:var(--text);transition:all .15s}
.btn:hover{background:var(--bg);text-decoration:none}
.btn-primary{background:var(--accent);color:#fff;border-color:var(--accent)}
.btn-primary:hover{background:var(--accent-h)}
.btn-danger{background:var(--red);color:#fff;border-color:var(--red)}
.btn-block{width:100%;justify-content:center}
.btn-sm{padding:.25rem .5rem;font-size:.8rem;border:1px solid var(--border);border-radius:var(--radius);background:var(--white);cursor:pointer}
.btn-sm.btn-danger{background:var(--red);color:#fff;border-color:var(--red)}
.btn-link{color:var(--accent);font-size:.85rem}
.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:1rem;margin-bottom:1.5rem}
.stat-card{background:var(--white);padding:1.25rem;border-radius:var(--radius);border:1px solid var(--border)}
.stat-label{font-size:.8rem;color:var(--muted);margin-bottom:.25rem}
.stat-value{font-size:1.6rem;font-weight:700}
.stat-small{font-size:1rem}
.card{background:var(--white);padding:1.5rem;border-radius:var(--radius);border:1px solid var(--border);margin-bottom:1rem}
.card h2,.card h3{margin-bottom:1rem}
.section{margin-bottom:1.5rem}
.section h2{margin-bottom:.75rem}
.section-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1rem}
.quick-actions{display:flex;gap:.75rem;flex-wrap:wrap}
.doc-list{display:flex;flex-direction:column;gap:1px;background:var(--border);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}
.doc-item{display:flex;align-items:center;gap:1rem;padding:.75rem 1rem;background:var(--white);text-decoration:none;color:var(--text);transition:background .1s}
.doc-item:hover{background:var(--bg);text-decoration:none}
.doc-avatar{width:36px;height:36px;border-radius:50%;background:var(--accent);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:600;font-size:.85rem;flex-shrink:0}
.doc-info{flex:1;min-width:0}
.doc-name{font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.doc-meta{font-size:.8rem;color:var(--muted)}
.doc-right{text-align:right;flex-shrink:0}
.doc-monto{font-weight:600}
.doc-fecha{font-size:.8rem;color:var(--muted)}
.filters{display:flex;gap:.5rem;flex-wrap:wrap;margin-bottom:1rem;align-items:center}
.filters select,.filters input[type="text"],.filters input[type="date"]{padding:.4rem .6rem;border:1px solid var(--border);border-radius:var(--radius);font-size:.85rem;background:var(--white)}
.filters button{padding:.4rem .8rem;background:var(--accent);color:#fff;border:none;border-radius:var(--radius);cursor:pointer;font-size:.85rem}
.tbl{width:100%;border-collapse:collapse;background:var(--white);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;font-size:.9rem}
.tbl th{background:var(--bg);padding:.5rem .75rem;text-align:left;font-size:.8rem;font-weight:600;color:var(--muted);text-transform:uppercase;border-bottom:1px solid var(--border)}
.tbl td{padding:.5rem .75rem;border-bottom:1px solid var(--border)}
.tbl tr:last-child td{border-bottom:none}
.tbl tr:hover td{background:rgba(0,0,0,.01)}
.badge{padding:.15rem .5rem;border-radius:10px;font-size:.75rem;font-weight:500}
.badge-ok,.badge-emitido{background:#dcfce7;color:var(--green)}
.badge-err,.badge-rechazado{background:#fef2f2;color:var(--red)}
.badge-warn,.badge-borrador{background:#fff7ed;color:var(--yellow)}
.badge-anulado{background:var(--bg);color:var(--muted)}
.pagination{display:flex;justify-content:space-between;align-items:center;padding:.75rem 0;font-size:.85rem;color:var(--muted)}
.pagination-btns{display:flex;align-items:center;gap:.5rem}
.alert{padding:.75rem 1rem;border-radius:var(--radius);margin-bottom:1rem;font-size:.9rem}
.alert-ok{background:#dcfce7;color:var(--green);border:1px solid #bbf7d0}
.alert-err{background:#fef2f2;color:var(--red);border:1px solid #fecaca}
.detail-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1rem}
.detail-group label{font-size:.8rem;color:var(--muted);display:block;margin-bottom:.15rem}
.detail-group p{font-weight:500}
.monto-total{font-size:1.3rem;color:var(--accent)}
.doc-detail{background:var(--white);padding:1.5rem;border-radius:var(--radius);border:1px solid var(--border);margin-top:.75rem}
.doc-detail-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.25rem}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 1rem}
.inline-form{display:flex;gap:.5rem;align-items:end;margin-top:1rem;flex-wrap:wrap}
.inline-form select,.inline-form input{padding:.4rem .6rem;border:1px solid var(--border);border-radius:var(--radius);font-size:.85rem}
.empty-state{text-align:center;padding:3rem;color:var(--muted)}
.logo-preview{max-width:120px;max-height:60px;display:block;margin-bottom:.5rem;border:1px solid var(--border);border-radius:var(--radius);padding:4px}
.modal{display:none;position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:100;align-items:center;justify-content:center;padding:1rem}
.modal-box{background:var(--white);padding:1.5rem;border-radius:12px;width:100%;max-width:480px;max-height:90vh;overflow-y:auto}
.modal-box h3{margin-bottom:1rem}
.modal-actions{display:flex;gap:.5rem;justify-content:flex-end;margin-top:1rem}
@media(max-width:768px){
.sidebar{transform:translateX(-100%)}
.sidebar.open{transform:translateX(0)}
.sidebar-close{display:block}
.main{margin-left:0}
.hamburger{display:block}
.form-grid{grid-template-columns:1fr}
.filters{flex-direction:column}
.filters select,.filters input{width:100%}
.stat-value{font-size:1.3rem}
}