html,body{margin:0}
[hidden]{display:none!important}
img{max-width:100%}
/* Layout: oficina de compras — barra superior con pestañas, tabla de registros, hoja lateral para editar. */
:root{
  --bg:#F2F4F1; --surface:#FFFFFF; --sunk:#E9ECE8; --ink:#17201C; --muted:#5A6660; --line:#D6DCD7;
  --accent:#1E6B52; --accent-ink:#FFFFFF; --accent-soft:#DFEEE7;
  --warn:#9A6400; --warn-soft:#FAEFD6; --bad:#B3261E; --bad-soft:#F7E0DE; --info:#2F5D9E; --info-soft:#E1E9F5;
  --scrim:rgba(20,28,24,.42);
  --f-display:"Archivo","Helvetica Neue",Arial,sans-serif;
  --f-body:"Public Sans",system-ui,-apple-system,"Segoe UI",sans-serif;
  --f-mono:"IBM Plex Mono",ui-monospace,"SFMono-Regular",Menlo,monospace;
}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){
  --bg:#111614; --surface:#19201C; --sunk:#151B18; --ink:#E5EBE7; --muted:#97A39D; --line:#2B3530;
  --accent:#5EBE97; --accent-ink:#0C1611; --accent-soft:#1C3329;
  --warn:#E0AC4A; --warn-soft:#382C14; --bad:#EF8981; --bad-soft:#3C1D1B; --info:#90B4EA; --info-soft:#1C293D;
  --scrim:rgba(0,0,0,.6); color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#111614; --surface:#19201C; --sunk:#151B18; --ink:#E5EBE7; --muted:#97A39D; --line:#2B3530;
  --accent:#5EBE97; --accent-ink:#0C1611; --accent-soft:#1C3329;
  --warn:#E0AC4A; --warn-soft:#382C14; --bad:#EF8981; --bad-soft:#3C1D1B; --info:#90B4EA; --info-soft:#1C293D;
  --scrim:rgba(0,0,0,.6); color-scheme:dark}

*{box-sizing:border-box}
body{background:var(--bg);color:var(--ink);font:15px/1.5 var(--f-body);padding-inline:16px;padding-block:0 48px}
.wrap{max-width:1180px;margin:0 auto}
header{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:12px 24px;padding-block:22px 0;border-bottom:1px solid var(--line)}
.brand h1{font:800 26px/1.1 var(--f-display);letter-spacing:-.01em;margin:0}
.brand p{margin:4px 0 0;color:var(--muted);font-size:13px}
nav.tabs{display:flex;gap:4px;overflow-x:auto}
nav.tabs button{font:600 14px var(--f-body);color:var(--muted);background:none;border:0;border-bottom:3px solid transparent;padding:10px 14px 9px;cursor:pointer;white-space:nowrap}
nav.tabs button[aria-selected="true"]{color:var(--ink);border-bottom-color:var(--accent)}
nav.tabs .n{font:500 12px var(--f-mono);color:var(--muted);margin-left:6px}
.banner{margin-top:14px;padding:10px 14px;border-radius:6px;background:var(--warn-soft);color:var(--ink);font-size:14px;display:flex;flex-wrap:wrap;gap:8px 16px;align-items:center;justify-content:space-between}
.toolbar{display:flex;flex-wrap:wrap;gap:10px;align-items:center;justify-content:space-between;padding-block:18px 12px}
.toolbar .left{display:flex;gap:10px;flex-wrap:wrap;align-items:center;flex:1;min-width:0}
input,select,textarea{font:inherit;color:var(--ink);background:var(--surface);border:1px solid var(--line);border-radius:6px;padding:8px 10px;min-width:0}
textarea{resize:vertical;min-height:72px}
input:focus-visible,select:focus-visible,textarea:focus-visible,button:focus-visible{outline:2px solid var(--accent);outline-offset:1px}
.search{flex:1;max-width:340px}
.btn{font:600 14px var(--f-body);border-radius:6px;padding:8px 14px;border:1px solid var(--line);background:var(--surface);color:var(--ink);cursor:pointer;white-space:nowrap}
.btn:hover{border-color:var(--muted)}
.btn.primary{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}
.btn.primary:hover{filter:brightness(1.07)}
.btn.danger{color:var(--bad)}
.btn.danger.armed{background:var(--bad);color:var(--surface);border-color:var(--bad)}
.btn.small{padding:5px 10px;font-size:13px}
.btn.link{border:0;background:none;color:var(--accent);padding:4px 6px}
.btn:disabled{opacity:.5;cursor:not-allowed}
.chips{display:flex;gap:6px;flex-wrap:wrap}
.chip{font:500 13px var(--f-body);padding:5px 10px;border-radius:999px;border:1px solid var(--line);background:var(--surface);color:var(--muted);cursor:pointer}
.chip[aria-pressed="true"]{background:var(--ink);color:var(--bg);border-color:var(--ink)}

.tablebox{background:var(--surface);border:1px solid var(--line);border-radius:8px;overflow-x:auto}
table{width:100%;border-collapse:collapse;font-size:14px}
th{font:600 11px var(--f-body);text-transform:uppercase;letter-spacing:.06em;color:var(--muted);text-align:left;padding:10px 14px;border-bottom:1px solid var(--line);background:var(--sunk);white-space:nowrap}
td{padding:11px 14px;border-bottom:1px solid var(--line);vertical-align:top}
tbody tr:last-child td{border-bottom:0}
tbody tr.row{cursor:pointer}
tbody tr.row:hover td{background:var(--sunk)}
.num{text-align:right;font-variant-numeric:tabular-nums;font-family:var(--f-mono);white-space:nowrap}
.mono{font-family:var(--f-mono);font-size:13px}
.muted{color:var(--muted)}
.sub{display:block;color:var(--muted);font-size:13px}
.pill{display:inline-block;font:600 12px var(--f-body);padding:2px 9px;border-radius:999px;white-space:nowrap}
.st-borrador{background:var(--sunk);color:var(--muted);border:1px solid var(--line)}
.st-enviada{background:var(--info-soft);color:var(--info)}
.st-respondida{background:var(--warn-soft);color:var(--warn)}
.st-aceptada{background:var(--accent-soft);color:var(--accent)}
.st-rechazada{background:var(--bad-soft);color:var(--bad)}
.tag{display:inline-block;font:500 11px var(--f-mono);color:var(--warn);border:1px dashed var(--warn);border-radius:4px;padding:0 5px;margin-left:6px;vertical-align:1px}
.empty{padding:40px 20px;text-align:center;color:var(--muted)}
.empty strong{display:block;color:var(--ink);font:700 17px var(--f-display);margin-bottom:6px}
.best{color:var(--accent);font-weight:600}

/* Hoja lateral */
.scrim{position:fixed;inset:0;background:var(--scrim);z-index:20;display:flex;justify-content:flex-end}
.sheet{background:var(--bg);width:min(760px,100%);height:100%;overflow-y:auto;box-shadow:-8px 0 30px rgba(0,0,0,.18);display:flex;flex-direction:column}
.sheet-head{position:sticky;top:0;z-index:2;background:var(--bg);border-bottom:1px solid var(--line);padding:calc(14px + env(safe-area-inset-top,0px)) 20px 14px;display:flex;justify-content:space-between;align-items:center;gap:12px}
.sheet-head h2{margin:0;font:800 20px/1.2 var(--f-display);text-wrap:balance;min-width:0}
.sheet-body{padding:18px 20px 24px;display:flex;flex-direction:column;gap:20px;flex:1}
.sheet-foot{position:sticky;bottom:0;background:var(--bg);border-top:1px solid var(--line);padding:12px 20px calc(12px + env(safe-area-inset-bottom,0px));display:flex;flex-wrap:wrap;gap:8px;justify-content:space-between}
.sheet-foot .grp{display:flex;gap:8px;flex-wrap:wrap}
.grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px 14px}
.grid .full{grid-column:1/-1}
@media (max-width:560px){.grid{grid-template-columns:1fr}}
label.f{display:flex;flex-direction:column;gap:5px;font:600 12px var(--f-body);color:var(--muted);letter-spacing:.02em}
label.f input,label.f select,label.f textarea{font-weight:400;font-size:15px}
.hint{font:400 12px var(--f-body);color:var(--muted)}
.hint.bad{color:var(--bad)}
section.block h3{font:700 13px var(--f-body);text-transform:uppercase;letter-spacing:.07em;color:var(--muted);margin:0 0 10px;display:flex;justify-content:space-between;align-items:center;gap:8px}
.lines input,.lines select{width:100%;padding:6px 8px;font-size:14px}
.lines td{padding:8px 8px;vertical-align:middle}
.lines th{padding:8px}
.totals{display:grid;grid-template-columns:auto auto;justify-content:end;gap:4px 24px;padding:12px 4px 0;font-size:14px}
.totals .num{font-size:14px}
.totals .grand{font:700 17px var(--f-mono)}
.addrow{display:flex;flex-wrap:wrap;gap:8px;align-items:flex-end;margin-top:10px}
.addrow > *{flex:1 1 140px}
.addrow .btn{flex:0 0 auto}
.mail{background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:14px 16px;font:13px/1.6 var(--f-mono);white-space:pre-wrap;word-break:break-word;margin:0}
.check{display:flex;gap:8px;align-items:center;font-size:14px}
.toast{position:fixed;left:50%;bottom:calc(20px + env(safe-area-inset-bottom,0px));transform:translateX(-50%);background:var(--ink);color:var(--bg);padding:10px 16px;border-radius:6px;font-size:14px;z-index:40;max-width:calc(100% - 32px)}
@media (prefers-reduced-motion:no-preference){.sheet{animation:in .18s ease-out}@keyframes in{from{transform:translateX(24px);opacity:.6}}}

/* Barra de sesión */
.userbar{display:flex;flex-wrap:wrap;justify-content:flex-end;align-items:center;gap:4px 12px;padding-block:10px 0;font-size:13px}
.userbar .btn.link{font-size:13px;text-decoration:none}
/* Login */
.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding-block:32px}
.login-card{width:min(400px,100%);background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:28px 26px}
.login-card h1{font:800 24px/1.15 var(--f-display);margin:0 0 6px;letter-spacing:-.01em}
.login-card p{margin:0 0 16px}
.login-card form p{display:flex;flex-direction:column;gap:5px;margin:0 0 14px}
.login-card label{font:600 12px var(--f-body);color:var(--muted);letter-spacing:.02em}
.login-card .login-remember label{display:flex;gap:8px;align-items:center;font:400 14px var(--f-body);color:var(--ink)}
.login-card input[type=text],.login-card input[type=password]{font-size:16px;padding:10px 12px;width:100%}
.login-card input[type=submit]{font:600 15px var(--f-body);background:var(--accent);color:var(--accent-ink);border:0;border-radius:6px;padding:11px 16px;cursor:pointer;width:100%}
.login-card input[type=submit]:hover{filter:brightness(1.07)}
.alerta{background:var(--bad-soft);color:var(--bad);border-radius:6px;padding:10px 12px;font-size:14px;margin-bottom:14px}
.olvido{font-size:13px;margin:4px 0 0!important}
.olvido a{color:var(--accent)}
a.btn{text-decoration:none;display:inline-block}
section.block h3 .btn{text-transform:none;letter-spacing:0}