:root{--bg:#f4f2ee;--card:#fff;--ink:#1f2a44;--muted:#6f7587;--line:#e6e2da;--brand:#f28c28;--brand-d:#d97312;--brand-ink:#1f2a44;--link:#2a4a9a;--side:#1f2a44;--side-ink:#c9cfdf;--ok:#2e8b6a;--bad:#c0392b;--warn:#b7791f;--r:14px;--shadow:0 1px 2px rgba(31,42,68,.06),0 6px 18px rgba(31,42,68,.06)}
*{box-sizing:border-box}
body{margin:0;font:14.5px/1.45 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;background:var(--bg);color:var(--ink)}
a{color:var(--link);text-decoration:none}a:hover{text-decoration:underline}
h1{font-size:1.5rem;margin:.1rem 0 1rem}h2{font-size:1.05rem;margin:.2rem 0 .8rem}h3{font-size:.95rem;margin:1rem 0 .4rem}
code{background:#eef1f4;padding:.05rem .3rem;border-radius:4px}
/* layout */
body.app .top{position:fixed;top:0;left:0;right:0;height:56px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:14px;padding:0 16px;z-index:20}
.brand{font-weight:700;color:var(--brand);font-size:1.05rem;white-space:nowrap}.brand:hover{text-decoration:none}
.co{color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:220px}
.search{flex:1;max-width:420px}.search input{width:100%;border-radius:99px;padding:.45rem .9rem;background:var(--bg)}
.burger{display:none;background:none;border:0;font-size:1.4rem;cursor:pointer}
.top details{position:relative}.top summary{list-style:none;cursor:pointer}.top summary::-webkit-details-marker{display:none}
.top .usr{margin-left:auto}.top .usr summary{padding:.4rem .6rem;border-radius:6px}.top .usr summary:hover{background:var(--bg)}
.dd{position:absolute;top:120%;left:0;background:#fff;border:1px solid var(--line);border-radius:8px;min-width:210px;box-shadow:0 8px 24px rgba(0,0,0,.12);padding:.3rem;display:flex;flex-direction:column;z-index:30}
.dd.right{left:auto;right:0}.dd a,.dd .linklike{padding:.5rem .7rem;color:var(--ink);border-radius:6px;text-align:left}.dd a:hover,.dd .linklike:hover{background:var(--bg);text-decoration:none}
.linklike{background:none;border:0;font:inherit;cursor:pointer;width:100%}
.side{position:fixed;top:56px;left:0;bottom:0;width:236px;background:var(--side);overflow-y:auto;padding:10px 0}
.side a,.side summary{display:flex;align-items:center;gap:10px;color:var(--side-ink);padding:.55rem 1rem;cursor:pointer;list-style:none}
.side summary::-webkit-details-marker{display:none}
.side summary:after{content:"▾";margin-left:auto;opacity:.6;font-size:.8rem}.side details[open]>summary:after{content:"▴"}
.side i{font-style:normal;width:18px;text-align:center;opacity:.85}
.side a:hover,.side summary:hover{background:rgba(255,255,255,.07);text-decoration:none}
.side details a{padding-left:2.9rem;font-size:.92rem}
.side a.on{background:rgba(255,255,255,.12);color:#fff;border-left:3px solid var(--brand);padding-left:calc(2.9rem - 3px)}.side a.top-item.on{padding-left:calc(1rem - 3px)}
.main{padding:78px 24px 40px 260px;max-width:1500px}
body.auth{display:flex;align-items:center;justify-content:center;min-height:100vh;padding:20px}
body.auth .authbox,.authbox{background:#fff;border:1px solid var(--line);border-radius:12px;padding:26px;width:100%;max-width:420px}
body.auth .main{padding:0;max-width:none}
/* componentes */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:1.1rem 1.25rem;margin-bottom:1rem;box-shadow:var(--shadow)}
.card.narrow,.narrow{max-width:520px;margin-left:auto;margin-right:auto}
.center{text-align:center}.r{text-align:right}.nowrap{white-space:nowrap}.muted{color:var(--muted)}.small{font-size:.85rem}
.head{display:flex;justify-content:space-between;align-items:center;gap:1rem;flex-wrap:wrap;margin-bottom:.6rem}.head h1,.head h2{margin:0}
.actions{display:flex;gap:.5rem;flex-wrap:wrap;align-items:center}
.btn{display:inline-block;padding:.5rem .95rem;border:1px solid #c9d1db;background:#fff;color:var(--ink);border-radius:99px;font:inherit;cursor:pointer;text-decoration:none;line-height:1.2}
.btn:hover{background:var(--bg);text-decoration:none}
.btn.primary{background:var(--brand);border-color:var(--brand);color:var(--brand-ink,#fff)}.btn.primary:hover{background:var(--brand-d)}
.btn.danger{color:var(--bad);border-color:#efc7c2}.btn.danger:hover{background:#fdeeed}
.btn.sm{padding:.25rem .65rem;font-size:.85rem}
form.inline{display:inline-block;margin:0}
.rowform{display:flex;gap:.3rem;margin:.15rem 0;flex-wrap:wrap}.rowform select,.rowform input{max-width:300px;width:auto}
.field{display:flex;flex-direction:column;gap:.25rem;margin-bottom:.7rem}.field>span{font-weight:600;font-size:.86rem}.field em{color:var(--bad);font-style:normal}.field small{color:var(--muted)}
input,select,textarea{font:inherit;padding:.5rem .6rem;border:1px solid #c9d1db;border-radius:8px;background:#fff;width:100%;color:var(--ink)}
input:focus,select:focus,textarea:focus{outline:3px solid rgba(242,140,40,.3);border-color:var(--brand)}
input[type=file]{padding:.35rem}
.stack{display:flex;flex-direction:column}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:0 1rem}.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:0 1rem}.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:0 1rem}
.cols{display:grid;grid-template-columns:1fr 1fr;gap:1rem}.cols>.card{margin-bottom:1rem}
.cards3{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem}
.linkcard{color:var(--ink)}.linkcard:hover{border-color:var(--brand);text-decoration:none}.linkcard p{margin:0;color:var(--muted)}
.curblock{display:grid;grid-template-columns:1fr 1fr 1fr;gap:0 1rem;background:#f8fafb;border:1px dashed var(--line);border-radius:8px;padding:.6rem .8rem;margin-bottom:.8rem}
.filters{display:flex;gap:.6rem;flex-wrap:wrap;align-items:end;margin-bottom:1rem}.filters label{display:flex;flex-direction:column;font-size:.82rem;gap:.15rem}.filters input,.filters select{width:auto}
.tablewrap{overflow-x:auto}
table{width:100%;border-collapse:collapse}
th,td{padding:.5rem .55rem;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
th{font-size:.78rem;color:var(--muted);font-weight:600;text-transform:uppercase;letter-spacing:.03em}
th.r,td.r{text-align:right}
tfoot th,tfoot td{border-top:2px solid var(--line);color:var(--ink);text-transform:none;font-size:.95rem}
td input,td select{padding:.35rem .45rem}
.w-prod{width:210px}.w-qty{width:90px}.w-price{width:130px}.w-amt{width:120px}.w-tax{width:150px}
.kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:.8rem;margin-bottom:1rem}
.kpi{background:#fff;border:1px solid var(--line);border-radius:10px;padding:.8rem 1rem}.kpi span{display:block;color:var(--muted);font-size:.8rem}.kpi strong{font-size:1.3rem}
.pos{color:var(--ok)}.neg{color:var(--bad)}
.badge{display:inline-block;padding:.12rem .55rem;border-radius:99px;font-size:.76rem;font-weight:600;background:#e8edf3;color:#44505e;vertical-align:middle}
.b-pagada,.b-aceptado,.b-facturado{background:#dff3e7;color:#146c3b}.b-vencida,.b-rechazado{background:#fbe3e0;color:#a52e22}.b-parcial,.b-enviado{background:#fdf0d5;color:#8a5a0b}.b-pendiente,.b-borrador{background:#e3ecfb;color:#1a4fa0}.b-anulada{background:#eee;color:#777;text-decoration:line-through}
.alert{padding:.7rem 1rem;border-radius:8px;margin-bottom:1rem;border:1px solid}
.alert.ok{background:#e8f6ee;border-color:#bfe3cd;color:#146c3b}.alert.error{background:#fdeeed;border-color:#f1c3be;color:#8f2a1f}.alert.warn{background:#fdf5e1;border-color:#efd9a0;color:#7a5307}
.alert ul{margin:.3rem 0 0 1.1rem;padding:0}
.info{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:.6rem 1.5rem;margin:0}.info dt{font-size:.74rem;color:var(--muted);text-transform:uppercase}.info dd{margin:0}
.totals{align-self:start;background:var(--bg);border-radius:8px;padding:.8rem 1rem}.totals>div{display:flex;justify-content:space-between;padding:.2rem 0}.totals .grand{border-top:1px solid var(--line);margin-top:.3rem;padding-top:.5rem;font-size:1.1rem}
.dochead{display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap}
.bars{display:flex;gap:.8rem;align-items:flex-end;height:170px;padding:.5rem 0}.barcol{flex:1;display:flex;flex-direction:column;align-items:center;height:100%;justify-content:flex-end}
.barpair{display:flex;gap:3px;align-items:flex-end;height:calc(100% - 1.4rem);width:100%;justify-content:center}.bar{width:40%;max-width:28px;min-height:2px;border-radius:4px 4px 0 0}
.bar.inc,.dot.inc{background:var(--brand)}.bar.exp,.dot.exp{background:#1f2a44}
.legend{font-size:.85rem;color:var(--muted);margin:.3rem 0 0}.dot{display:inline-block;width:10px;height:10px;border-radius:50%;margin:0 .3rem 0 .8rem}
.verdict{font-weight:700;margin:1rem 0}.okmsg{color:var(--ok)}
.sect th{background:var(--bg);color:var(--ink)}.sub th,.sub td{border-top:1px solid var(--line);font-weight:700}
.print-only{display:none}
@media(max-width:900px){.burger{display:block}.side{transform:translateX(-100%);transition:.2s;z-index:25}body.navopen .side{transform:none}.main{padding:76px 14px 30px}.grid2,.grid3,.grid4,.cols,.cards3,.curblock{grid-template-columns:1fr}.search,.co{display:none}}
@media print{body{background:#fff}.no-print,.top,.side{display:none!important}.main{padding:0;max-width:none}.print-only{display:block}.card{border:0;padding:0}a{color:inherit}}

.doc-banner{width:100%;max-height:150px;object-fit:cover;border-radius:6px;margin-bottom:.6rem}.doc-logo{max-height:64px;max-width:180px;object-fit:contain;margin-right:.8rem}.docco{display:flex;align-items:center}.dochead.logo-right .docco{flex-direction:row-reverse;text-align:right}.dochead.logo-right .doc-logo{margin:0 0 0 .8rem}
.doc-thumb{width:42px;height:42px;object-fit:cover;border-radius:4px}.doc-small{font-size:.82rem}.doc-large{font-size:1.1rem}.doc-zebra tbody tr:nth-child(even){background:#f5f7f8}.doc-minimal th,.doc-minimal td{border:0}
.doc-note,.doc-block{margin:.6rem 0}.doc-legal{font-size:.75rem;color:var(--muted);margin-top:1rem}.doc-sign{display:flex;gap:3rem;margin-top:3rem}.doc-sign>div{flex:1;border-top:1px solid #333;padding-top:.3rem;text-align:center;font-size:.85rem}

/* Cuadra · tema moderno */
body{letter-spacing:.005em;-webkit-font-smoothing:antialiased}
h1{font-size:1.6rem;font-weight:700;letter-spacing:-.01em}h2{font-weight:650}
.brand{color:var(--ink);display:flex;align-items:center;gap:.55rem;font-weight:800;font-size:1.15rem;letter-spacing:-.02em}.brand img.mark{width:30px;height:30px}
body.app .top{background:rgba(255,255,255,.88);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.side{padding:14px 10px}.side a,.side summary{border-radius:10px;margin-bottom:2px}
.side details a{padding-left:2.6rem}.side a.on{border-left:0;padding-left:inherit}.side details a.on{padding-left:2.6rem}.side a.top-item.on{padding-left:1rem}
.side a.on{box-shadow:inset 3px 0 0 var(--brand)}
.btn{border-color:#d8d4ca;padding:.55rem 1.05rem;font-weight:600;transition:.15s}.btn:hover{border-color:#bdb8aa}
.btn.primary{box-shadow:0 2px 6px rgba(242,140,40,.35)}.btn.primary:hover{filter:brightness(.95);background:var(--brand-d)}
input,select,textarea{border-color:#d8d4ca;border-radius:10px}
.kpi{border-radius:var(--r);box-shadow:var(--shadow);border-color:var(--line);padding:1rem 1.2rem}.kpi strong{font-size:1.5rem;letter-spacing:-.01em}
th{background:transparent}tbody tr:hover{background:#faf8f4}
.badge{padding:.2rem .65rem}
body.auth{background:linear-gradient(160deg,#1f2a44 0%,#2b3a63 55%,#3a4c7e 100%)}
body.auth .authbox,.authbox{border:0;border-radius:20px;padding:34px;box-shadow:0 20px 50px rgba(0,0,0,.3)}
.authbox .logo{display:flex;align-items:center;gap:.6rem;margin-bottom:.4rem}.authbox .logo img{width:44px;height:44px}.authbox .logo b{font-size:1.7rem;letter-spacing:-.03em}
.alert{border-radius:12px}

body.app .top{left:236px;height:64px;background:transparent;backdrop-filter:none;border:0;padding:0 24px}
.side{top:0;width:236px;display:flex;flex-direction:column;padding:0 10px 10px}
.side-head{padding:20px 8px 18px;display:flex;flex-direction:column;gap:2px}.side-head .brand{color:#fff;font-size:1.5rem}.side-head small{color:#9aa6c4;margin-left:2.35rem;font-size:.74rem}
.side-foot{margin-top:auto;background:rgba(255,255,255,.08);border-radius:12px;padding:.7rem .9rem;color:#fff;display:flex;flex-direction:column}.side-foot small{color:#9aa6c4}
.side a.on,.side a:hover,.side summary:hover{background:rgba(255,255,255,.1)}
.main{padding:84px 28px 40px 264px}
.search{max-width:460px}.search input{background:#fff;border:1px solid var(--line);box-shadow:var(--shadow)}
.av{display:inline-flex;width:30px;height:30px;border-radius:50%;background:var(--side);color:#fff;align-items:center;justify-content:center;font-weight:700;font-size:.85rem;margin-right:.3rem}
.top .usr{margin-left:auto}
@media(max-width:900px){body.app .top{left:0;background:#fff;border-bottom:1px solid var(--line)}.side{top:0;padding-top:0}.main{padding:78px 14px 30px}}

.brand .pro,.authbox .logo .pro{color:var(--brand,#f28c28)}.authbox .logo b{text-transform:lowercase}