:root{--brand:#1e40af;--bg:#f3f4f7;--card:#fff;--ink:#1b2130;--muted:#677084;--line:#e3e6ed;--ok:#15803d;--warn:#b45309;--err:#b91c1c;--r:14px;--nav:62px}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.45 system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif}
a{color:var(--brand);text-decoration:none}
h1{font-size:1.35rem;margin:.2rem 0 .6rem;line-height:1.2}
h2{font-size:1rem;margin:0 0 .7rem}
.muted{color:var(--muted)}.small{font-size:.85rem}.center{text-align:center}.pad{padding:16px}
.ico{width:20px;height:20px;flex:none}

/* Estructura */
.topbar{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:8px 16px;padding-top:max(8px,env(safe-area-inset-top));background:#fff;border-bottom:3px solid var(--brand)}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink);font-weight:700;min-width:0}
.brand img{height:34px;max-width:120px;object-fit:contain}
.brand span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.avatar{width:36px;height:36px;border-radius:50%;background:var(--brand);color:#fff;display:grid;place-items:center;font-weight:700}
.wrap{max-width:760px;margin:0 auto;padding:16px 14px calc(var(--nav) + 90px)}
.tabbar{position:fixed;bottom:0;left:0;right:0;z-index:30;display:flex;background:#fff;border-top:1px solid var(--line);padding-bottom:env(safe-area-inset-bottom)}
.tabbar a{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;min-height:var(--nav);color:var(--muted);font-size:.7rem}
.tabbar a.on{color:var(--brand);font-weight:600}
.page-head{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;margin-bottom:6px}
.page-head h1{display:flex;flex-wrap:wrap;align-items:center;gap:8px}

/* Tarjetas y listas */
.card{background:var(--card);border-radius:var(--r);padding:16px;margin:0 0 14px;box-shadow:0 1px 2px rgba(20,30,60,.06)}
.card.flush{padding:0;overflow:hidden}
.list-item{display:flex;justify-content:space-between;gap:12px;padding:14px 16px;border-bottom:1px solid var(--line);color:var(--ink)}
.list-item:last-child{border-bottom:0}
a.list-item:active{background:#f6f7fa}
.list-item.static{cursor:default}
.list-item.inactive{opacity:.55}
.right{text-align:right;flex:none}
.row-between{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:6px 0}
.row-link{display:flex;justify-content:space-between;align-items:center;padding:10px 0;border-bottom:1px solid var(--line);color:var(--ink)}
.row-link:last-child{border-bottom:0}
.line{display:flex;justify-content:space-between;gap:12px;padding:10px 0;border-bottom:1px solid var(--line)}
.menu-list a,.menu-btn{display:flex;align-items:center;gap:12px;padding:14px 4px;color:var(--ink);border-bottom:1px solid var(--line);width:100%;background:none;border-left:0;border-right:0;border-top:0;font:inherit;text-align:left;cursor:pointer}
.menu-list form:last-child .menu-btn{border-bottom:0;color:var(--err)}

/* Resumen */
.stats{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:14px}
.stat{background:#fff;border-radius:var(--r);padding:14px;box-shadow:0 1px 2px rgba(20,30,60,.06);border-left:4px solid var(--brand)}
.stat.ok{border-color:var(--ok)}.stat.paid{border-color:#0f766e}.stat.warn{border-color:var(--warn)}
.stat b{display:block;font-size:1.25rem;margin:2px 0}
.stat-l{font-size:.78rem;color:var(--muted);text-transform:uppercase;letter-spacing:.03em}
.stat-s{font-size:.78rem;color:var(--muted)}
.period{margin:.2rem 0 .8rem}

/* Chips y filtros */
.chip{display:inline-block;padding:2px 10px;border-radius:99px;font-size:.75rem;font-weight:600;background:#e8eaf0;color:#444}
.st-draft{background:#e8eaf0;color:#4b5365}.st-sent{background:#dbeafe;color:#1d4ed8}
.st-accepted{background:#dcfce7;color:#166534}.st-rejected{background:#fee2e2;color:#991b1b}
.st-expired{background:#fde68a;color:#78350f}
.pay-paid{background:#ccfbf1;color:#0f766e}.pay-partial{background:#fef3c7;color:#92400e}.pay-due{background:#ffedd5;color:#9a3412}
.chips{display:flex;gap:8px;overflow-x:auto;padding:2px 0 8px;scrollbar-width:none}
.chips::-webkit-scrollbar{display:none}
.chip-f{flex:none;padding:8px 14px;border-radius:99px;background:#fff;border:1px solid var(--line);color:var(--ink);font-size:.88rem;white-space:nowrap}
.chip-f span{color:var(--muted);margin-left:4px}
.chip-f.on{background:var(--brand);color:#fff;border-color:var(--brand)}
.chip-f.on span{color:#fff;opacity:.85}
.custom{margin:2px 0 8px}
.custom summary{font-size:.85rem;color:var(--muted);cursor:pointer;padding:4px 0}
.row-form{display:flex;gap:10px;align-items:flex-end;flex-wrap:wrap;margin-top:6px}
.row-form label{flex:1;min-width:130px}
.searchbar{display:flex;gap:8px;margin-bottom:10px}
.searchbar input{flex:1}

/* Formularios */
.form label{display:block;font-size:.85rem;color:var(--muted);margin:0 0 12px}
input,select,textarea{display:block;width:100%;margin-top:4px;padding:11px 12px;font:inherit;font-size:16px;color:var(--ink);background:#fff;border:1px solid #cfd4de;border-radius:10px;min-height:46px}
textarea{resize:vertical}
input:focus,select:focus,textarea:focus{outline:2px solid var(--brand);outline-offset:0;border-color:var(--brand)}
input[type=color]{padding:4px;height:46px}
input[type=file]{padding:9px;font-size:.9rem}
.check{display:flex!important;align-items:center;gap:10px;color:var(--ink)!important;font-size:.95rem!important}
.check input{width:20px;height:20px;min-height:0;margin:0}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.logo-prev{background:#fff;border:1px dashed var(--line);border-radius:10px;padding:10px;margin-bottom:10px;text-align:center}
.logo-prev img{max-height:70px;max-width:100%}

/* Botones */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 16px;min-height:44px;border-radius:10px;border:1px solid #cfd4de;background:#fff;color:var(--ink);font:inherit;font-size:.95rem;font-weight:600;cursor:pointer;text-align:center}
.btn.primary{background:var(--brand);border-color:var(--brand);color:#fff}
.btn.danger{color:var(--err);border-color:#f0c0c0}
.btn.wa{background:#16a34a;border-color:#16a34a;color:#fff}
.btn.small{min-height:36px;padding:6px 12px;font-size:.85rem}
.btn.block{display:flex;width:100%}
.btn:disabled{opacity:.55;cursor:default}
.btn-row{display:flex;flex-wrap:wrap;gap:8px}
.btn-row.tight{margin-top:8px}
form.inline{display:inline;margin:0}
.link-btn{background:none;border:0;color:var(--err);font:inherit;font-size:.8rem;cursor:pointer;padding:2px 0}
.icon-btn{background:#f1f2f6;border:0;border-radius:8px;width:34px;height:34px;font-size:1rem;cursor:pointer;color:var(--muted)}
.fab{position:fixed;right:18px;bottom:calc(var(--nav) + 16px + env(safe-area-inset-bottom));z-index:25;width:56px;height:56px;border-radius:50%;background:var(--brand);color:#fff;display:grid;place-items:center;box-shadow:0 6px 18px rgba(0,0,0,.25)}
.fab .ico{width:26px;height:26px}
.actionbar{position:sticky;bottom:calc(var(--nav) + env(safe-area-inset-bottom));display:flex;gap:10px;justify-content:flex-end;padding:10px 0;background:linear-gradient(transparent,var(--bg) 30%)}
.actionbar.static{position:static;background:none;padding-bottom:0}
.actionbar .btn{flex:1}
.bottom-actions{margin:6px 0 10px}

/* Cotización: ítems y totales */
.picker{display:flex;gap:8px;margin-bottom:12px;flex-wrap:wrap}
.picker select{flex:1;min-width:200px;margin:0}
.itemcard{border:1px solid var(--line);border-radius:12px;padding:12px;margin-bottom:10px;background:#fafbfd}
.item-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:6px;color:var(--muted);font-size:.8rem}
.item-grid{display:grid;grid-template-columns:.8fr .9fr 1.5fr;gap:8px;margin-top:8px}
.item-grid label{margin:0!important}
.item-total{text-align:right;font-size:.9rem;color:var(--muted);margin-top:6px}
.totals{margin-top:12px;border-top:2px solid var(--line);padding-top:8px}
.t-row{display:flex;justify-content:space-between;padding:4px 0}
.t-row.grand{font-size:1.2rem;font-weight:700;color:var(--brand);border-top:1px solid var(--line);margin-top:4px;padding-top:8px}
.progress{height:10px;background:#e8eaf0;border-radius:99px;overflow:hidden;margin:8px 0 6px}
.progress i{display:block;height:100%;background:#0f766e}
.paybox{margin-top:14px;padding-top:12px;border-top:1px solid var(--line)}
.status-btns{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.st-btn.on{background:var(--brand);color:#fff;border-color:var(--brand);opacity:1}
.ok-text{color:var(--ok);font-weight:600}

/* Mensajes */
.alert{padding:12px 14px;border-radius:10px;margin-bottom:12px;font-size:.92rem}
.alert.ok{background:#dcfce7;color:#14532d}
.alert.err{background:#fee2e2;color:#7f1d1d}

/* Acceso / instalación */
body.plain{display:grid;place-items:center;min-height:100vh;padding:16px}
.auth-box{width:100%;max-width:400px}
.auth-box .card{padding:22px}
.login h1{font-size:1.6rem}

/* Escritorio */
@media(min-width:900px){
  .wrap{max-width:860px;padding-bottom:60px}
  .tabbar{position:sticky;top:58px;bottom:auto;justify-content:center;border-top:0;border-bottom:1px solid var(--line);z-index:15}
  .tabbar a{flex:0 0 120px;flex-direction:row;gap:8px;min-height:46px;font-size:.9rem}
  .fab{display:none}
  .actionbar{bottom:0}
  .stats{grid-template-columns:repeat(4,1fr)}
}
@media(max-width:380px){.item-grid{grid-template-columns:1fr 1fr}.item-grid label:last-child{grid-column:1/3}}
@media print{.topbar,.tabbar,.fab,.actionbar{display:none}}

/* v0.2 */
.banner{padding:12px 14px;border-radius:10px;margin-bottom:12px;font-size:.92rem;background:#fef3c7;color:#78350f}
.banner a{font-weight:600;color:inherit;text-decoration:underline}
.banner.info{background:#dbeafe;color:#1e3a8a}
.rev-row{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:8px 0;border-bottom:1px solid var(--line);color:var(--ink)}
.rev-row:last-child{border-bottom:0}
.rev-row.cur{font-weight:600}
.resp-box{background:#f6f8fb;border-radius:10px;padding:12px;font-size:.92rem}
.resp-box.ok{background:#dcfce7}.resp-box.no{background:#fee2e2}
.public .hero{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.public .hero img{max-height:54px;max-width:160px;object-fit:contain}
.public .hero b{font-size:1.1rem}
.public .wrap{padding-bottom:40px}
.decision{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:6px}
.decision .btn.ok{background:var(--ok);border-color:var(--ok);color:#fff}
.hint{font-size:.8rem;color:var(--muted);margin:0 0 12px}

.app-ver{margin:22px 0 6px;text-align:center;font-size:.75rem;color:var(--muted);opacity:.8}