/* Cotizify — Design System */
:root{
  --accent:#2563eb; --accent-dark:#1e40af; --ink:#0f172a; --muted:#64748b;
  --line:#e2e8f0; --bg:#f8fafc; --card:#ffffff; --ok:#16a34a; --warn:#d97706; --bad:#dc2626;
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:'Segoe UI',system-ui,-apple-system,sans-serif;background:var(--bg);color:var(--ink);min-height:100vh;display:flex;flex-direction:column}
h1{font-size:1.4rem;margin-bottom:1rem}
h3{font-size:.95rem;margin-bottom:.7rem;color:var(--accent-dark);text-transform:uppercase;letter-spacing:.04em}
.muted{color:var(--muted);font-size:.9rem;margin-bottom:1rem}

/* Topbar */
.topbar{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:.7rem 1.2rem;background:var(--card);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:.5rem}
.logo-mark{background:var(--accent);color:#fff;font-weight:700;width:30px;height:30px;border-radius:8px;display:grid;place-items:center}
.logo-text{font-size:1.05rem}
.topnav{display:flex;gap:.4rem;flex-wrap:wrap}
.nav-btn{border:1px solid var(--line);background:var(--card);padding:.45rem .9rem;border-radius:8px;cursor:pointer;font-size:.88rem;color:var(--ink)}
.nav-btn:hover{border-color:var(--accent)}
.nav-btn.active{background:var(--accent);color:#fff;border-color:var(--accent)}

main{flex:1;width:100%;max-width:1200px;margin:0 auto;padding:1.4rem}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:1.1rem;margin-bottom:1rem}
label{display:block;font-size:.85rem;color:var(--muted);margin-bottom:.7rem}
input,select,textarea{width:100%;padding:.55rem .7rem;border:1px solid var(--line);border-radius:8px;font-size:.92rem;font-family:inherit;color:var(--ink);background:#fff}
input:focus,select:focus,textarea:focus{outline:2px solid var(--accent);outline-offset:-1px}
.check{display:flex;align-items:center;gap:.5rem;font-size:.9rem;color:var(--ink)}
.check input{width:auto}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:.8rem}

.btn{border:1px solid var(--line);background:var(--card);padding:.55rem 1rem;border-radius:8px;cursor:pointer;font-size:.9rem}
.btn.primary{background:var(--accent);color:#fff;border-color:var(--accent)}
.btn.primary:hover{background:var(--accent-dark)}
.btn.ghost:hover{border-color:var(--accent);color:var(--accent-dark)}
.btn.danger{color:var(--bad)}
.btn.sm{padding:.3rem .6rem;font-size:.8rem}

/* Panel */
.panel-head{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:.8rem}
.panel-actions{display:flex;gap:.5rem}
.quote-list{display:grid;gap:.7rem;margin-top:1rem}
.quote-row{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:.9rem 1.1rem;display:flex;justify-content:space-between;align-items:center;gap:1rem;flex-wrap:wrap;cursor:pointer}
.quote-row:hover{border-color:var(--accent)}
.quote-row .meta{font-size:.82rem;color:var(--muted)}
.quote-row .total{font-weight:600;white-space:nowrap}
.badge{font-size:.72rem;padding:.2rem .55rem;border-radius:999px;font-weight:600}
.badge.borrador{background:#e2e8f0;color:#475569}
.badge.enviada{background:#dbeafe;color:#1d4ed8}
.badge.aceptada{background:#dcfce7;color:var(--ok)}
.badge.pagada{background:#16a34a;color:#fff}
.empty-state{text-align:center;padding:4rem 1rem;color:var(--muted)}
.empty-icon{font-size:3rem;margin-bottom:.8rem}

/* Form layout */
.form-layout{display:grid;grid-template-columns:1fr 1fr;gap:1.2rem;align-items:start}
.form-col .form-actions{display:flex;gap:.6rem;flex-wrap:wrap}
.item-row{display:grid;grid-template-columns:1fr 70px 110px 36px;gap:.5rem;margin-bottom:.5rem;align-items:center}
.item-row input{padding:.5rem .6rem}
.item-total{font-size:.85rem;color:var(--muted);text-align:right;white-space:nowrap}
.remove-item{border:none;background:none;color:var(--bad);cursor:pointer;font-size:1.1rem}

/* Preview */
.preview-actions{display:flex;gap:.5rem;margin-bottom:.8rem;flex-wrap:wrap}
.preview-actions select{width:auto}
.doc-preview{background:#fff;border:1px solid var(--line);border-radius:12px;padding:2rem;box-shadow:0 4px 20px rgba(15,23,42,.06);font-size:.92rem}
.doc-head{display:flex;justify-content:space-between;gap:1rem;margin-bottom:1.4rem;border-bottom:3px solid var(--accent);padding-bottom:1rem}
.doc-head img{max-height:56px}
.doc-title{font-size:1.5rem;color:var(--accent);align-self:center}
.doc-parties{display:grid;grid-template-columns:1fr 1fr;gap:1rem;margin-bottom:1.2rem;font-size:.88rem}
.doc-parties h4{font-size:.78rem;color:var(--muted);text-transform:uppercase;margin-bottom:.3rem}
.doc-table{width:100%;border-collapse:collapse;margin-bottom:1rem}
.doc-table th{background:#f1f5f9;text-align:left;font-size:.78rem;text-transform:uppercase;color:var(--muted);padding:.5rem .6rem}
.doc-table td{padding:.55rem .6rem;border-bottom:1px solid var(--line)}
.doc-table .num{text-align:right;white-space:nowrap}
.doc-totals{margin-left:auto;width:230px;font-size:.92rem}
.doc-totals div{display:flex;justify-content:space-between;padding:.25rem 0}
.doc-totals .grand{font-size:1.15rem;font-weight:700;border-top:2px solid var(--ink);margin-top:.3rem;padding-top:.5rem}
.doc-notes{margin-top:1.2rem;font-size:.85rem;color:var(--muted);white-space:pre-wrap}
.doc-foot{margin-top:1.6rem;font-size:.78rem;color:var(--muted);border-top:1px solid var(--line);padding-top:.8rem}

.footer{text-align:center;padding:1rem;font-size:.8rem;color:var(--muted);border-top:1px solid var(--line)}
.footer a{color:var(--accent)}

@media(max-width:900px){
  .form-layout{grid-template-columns:1fr}
  .doc-parties{grid-template-columns:1fr}
  .grid-2{grid-template-columns:1fr}
  .item-row{grid-template-columns:1fr 60px 90px 30px}
}
@media print{
  body{background:#fff}
  .topbar,.footer,.no-print,.form-col,.preview-actions{display:none!important}
  main{padding:0;max-width:none}
  .form-layout{display:block}
  .doc-preview{border:none;box-shadow:none;border-radius:0;padding:0}
  .preview-col{max-width:100%}
}

/* Layout móvil: secciones hijas de body (flex column) ocupan todo el ancho */
body>section{width:100%}
/* Modal Pro */
.modal{position:fixed;inset:0;background:rgba(15,23,42,.55);display:flex;align-items:center;justify-content:center;padding:1rem;z-index:200}
.modal[hidden]{display:none}
.modal-card{background:var(--card);color:var(--ink);border-radius:14px;max-width:440px;width:100%;padding:1.4rem;box-shadow:0 20px 50px rgba(0,0,0,.3);max-height:92vh;overflow:auto}
.modal-card h2{margin:0 0 .4rem}
.pro-list{list-style:none;margin:.6rem 0 1rem;padding:0}
.pro-list li{padding:.25rem 0}
.pro-list li::before{content:"✓ ";color:var(--ok,#16a34a);font-weight:700}
#pro-msg{min-height:1.2em;font-size:.9rem;margin:.4rem 0}
#pro-msg.err{color:#b91c1c}
#pro-msg.ok{color:#15803d}