:root{
  color-scheme:light;
  --bg:#F5F4F1; --surface:#FFFFFF; --surface-2:#EDEBE6; --ink:#2A2A27; --ink-2:#5E5C56; --ink-3:#8C8981;
  --line:#DCD9D2; --wine:#832F2E; --wine-ink:#FFFFFF; --wine-soft:#F3E6E5;
  --ok:#2F6B45; --ok-soft:#E3EFE6; --warn:#9A5A14; --warn-soft:#F6EBDC; --pend:#6F6C66; --pend-soft:#ECEAE5;
  --danger:#B3261E;
  --shadow:0 1px 2px rgba(42,42,39,.06),0 8px 24px rgba(42,42,39,.08);
  --scrim:rgba(24,24,22,.72);
  --f-head:"Gotham","Montserrat",system-ui,sans-serif;
  --f-body:"Source Sans 3",system-ui,-apple-system,"Segoe UI",sans-serif;
  --f-mono:"IBM Plex Mono",ui-monospace,Menlo,Consolas,monospace;
}
@media (prefers-color-scheme: dark){
  :root{
    color-scheme:dark;
    --bg:#1A1A18; --surface:#242421; --surface-2:#2E2E2A; --ink:#ECEAE5; --ink-2:#B4B1A9; --ink-3:#86837C;
    --line:#3A3A35; --wine:#C8625F; --wine-ink:#1A1A18; --wine-soft:#3A2524;
    --ok:#6FBF8A; --ok-soft:#1F3326; --warn:#E0A25A; --warn-soft:#3A2C1B; --pend:#A9A69F; --pend-soft:#2E2E2A;
    --danger:#F2867E;
    --shadow:0 1px 2px rgba(0,0,0,.3),0 8px 24px rgba(0,0,0,.35);
    --scrim:rgba(0,0,0,.8);
  }
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.5 var(--f-body);-webkit-font-smoothing:antialiased}
img{max-width:100%}
[hidden]{display:none!important}
a{color:var(--wine)}
h1,h2,h3{font-family:var(--f-head);text-wrap:balance;margin:0;letter-spacing:-.01em}
button,input,textarea,select{font:inherit;color:inherit}
button{cursor:pointer}
:focus-visible{outline:2px solid var(--wine);outline-offset:2px}
.mono{font-family:var(--f-mono);font-variant-numeric:tabular-nums}
.inline{display:inline}

/* app bar */
.appbar{background:var(--ink);color:var(--bg);padding-top:env(safe-area-inset-top,0px)}
.appbar-in{max-width:1240px;margin:0 auto;padding:12px 20px;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:12px;color:inherit;text-decoration:none}
.brand .logo{height:28px;width:auto;display:block}
.wordmark{font:700 18px var(--f-head);letter-spacing:.06em}
.brand-sub{font:500 12px var(--f-head);text-transform:uppercase;letter-spacing:.12em;opacity:.7;border-left:1px solid rgba(255,255,255,.25);padding-left:12px}
.nav{display:flex;align-items:center;gap:18px;font-size:15px;flex-wrap:wrap}
.nav a{color:inherit;text-decoration:none;opacity:.75}
.nav a.on,.nav a:hover{opacity:1}
.nav a.on{box-shadow:inset 0 -2px 0 #C8625F}
.nav .who{opacity:.55;font-size:14px}
.linkbtn{background:none;border:0;padding:0;color:inherit;opacity:.75;text-decoration:underline;text-underline-offset:3px}
@media (prefers-color-scheme: dark){ .appbar{background:#111110;color:#ECEAE5;border-bottom:1px solid var(--line)} }

.wrap{max-width:1240px;margin:0 auto;padding-inline:20px;padding-block:28px 80px}
.wrap.narrow{max-width:560px}

/* generic */
.eyebrow{font:600 11px/1 var(--f-head);text-transform:uppercase;letter-spacing:.14em;color:var(--wine);margin-bottom:10px}
.page-head{display:flex;justify-content:space-between;align-items:flex-end;gap:16px;flex-wrap:wrap;padding-bottom:18px;border-bottom:1px solid var(--line);margin-bottom:22px}
.page-head h1{font-size:clamp(24px,3.4vw,32px)}
.page-head p{margin:6px 0 0;color:var(--ink-2)}
.crumbs{font-size:14px;color:var(--ink-3);margin-bottom:8px}
.crumbs a{color:var(--ink-2);text-decoration:none}
.crumbs a:hover{text-decoration:underline}
.btn{border:1px solid var(--line);background:var(--surface);border-radius:8px;padding:8px 14px;font-weight:600;font-size:14px;display:inline-flex;align-items:center;gap:8px;white-space:nowrap;text-decoration:none;color:var(--ink);line-height:1.4}
.btn:hover{border-color:var(--ink-3)}
.btn.primary{background:var(--wine);color:var(--wine-ink);border-color:var(--wine)}
.btn.primary:hover{filter:brightness(1.08)}
.btn.ok{background:var(--ok);color:var(--surface);border-color:var(--ok)}
.btn.ghost{border-color:transparent;background:transparent}
.btn.danger{color:var(--danger)}
.btn:disabled{opacity:.45;cursor:not-allowed}
.btn svg{width:16px;height:16px;flex:none}
.btn.sm{padding:5px 10px;font-size:13px}
.row-bar{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.flash{border-radius:8px;padding:10px 14px;margin-bottom:18px;font-size:15px;border:1px solid var(--line);background:var(--surface)}
.flash.ok{border-color:color-mix(in srgb,var(--ok) 40%,var(--line));background:var(--ok-soft)}
.flash.err{border-color:color-mix(in srgb,var(--danger) 40%,var(--line));color:var(--danger)}
.panel{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:22px}
.panel h2{font-size:18px;margin-bottom:6px}
.panel > p{color:var(--ink-2);margin:0 0 16px}
.field{display:grid;gap:5px}
.field label{font:600 12px var(--f-head);text-transform:uppercase;letter-spacing:.08em;color:var(--ink-2)}
.field input,.field select,.field textarea{border:1px solid var(--line);border-radius:8px;padding:9px 11px;background:var(--bg);width:100%}
.field .help{font-size:13px;color:var(--ink-3)}
.form{display:grid;gap:14px}
.grid2{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px}
.muted{color:var(--ink-3)}
.err{color:var(--danger);font-size:14px}
.empty{padding:50px 20px;text-align:center;color:var(--ink-2);border:1.5px dashed var(--line);border-radius:12px}
.empty h3{font-size:18px;color:var(--ink);margin-bottom:6px}
.empty p{margin:0 0 14px}

/* dashboard lists */
.list{display:grid;gap:12px}
.item{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:16px 18px;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:14px;align-items:center;text-decoration:none;color:inherit}
a.item:hover{box-shadow:var(--shadow)}
.item h3{font-size:16px}
.item .sub{font-size:14px;color:var(--ink-2);margin-top:2px}
.item .right{display:flex;align-items:center;gap:14px;flex-wrap:wrap;justify-content:flex-end}
.item.archived{opacity:.6}
.minibar{display:flex;height:6px;width:140px;border-radius:3px;overflow:hidden;background:var(--pend-soft)}
.minibar i{display:block;height:100%}
.count{font:500 13px var(--f-mono);color:var(--ink-2);white-space:nowrap}
.linkbox{display:flex;gap:8px;align-items:center;background:var(--surface-2);border-radius:8px;padding:8px 10px;overflow:hidden}
.linkbox code{font:13px var(--f-mono);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;flex:1;min-width:0}
.cols{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:24px;align-items:start}
@media (max-width:900px){.cols{grid-template-columns:1fr}}
table.t{width:100%;border-collapse:collapse;font-size:15px}
table.t th{font:600 11px var(--f-head);text-transform:uppercase;letter-spacing:.08em;color:var(--ink-2);text-align:left;padding:8px 10px;border-bottom:1px solid var(--line)}
table.t td{padding:10px;border-bottom:1px solid var(--line);vertical-align:middle}
.tablewrap{overflow-x:auto}
.tag{font:600 10px var(--f-head);text-transform:uppercase;letter-spacing:.08em;padding:2px 7px;border-radius:4px;background:var(--surface-2);color:var(--ink-2)}
.tag.dark{background:var(--ink);color:var(--bg)}

/* ===== project view ===== */
.head{display:grid;grid-template-columns:1fr auto;gap:24px;align-items:end;padding-bottom:20px;border-bottom:1px solid var(--line)}
.title-in{font:700 clamp(24px,3.6vw,34px)/1.15 var(--f-head);border:0;background:transparent;padding:0;width:100%;letter-spacing:-.01em;border-radius:4px}
.title-in:read-only{outline:none}
.title-in:not(:read-only):hover,.sub-in:not(:read-only):hover{background:var(--surface-2)}
.sub-in{font-size:16px;color:var(--ink-2);border:0;background:transparent;padding:2px 0;width:100%;margin-top:6px;border-radius:4px}
.progress{min-width:260px}
.progress .nums{display:flex;align-items:baseline;gap:8px;justify-content:flex-end}
.progress .big{font:700 32px/1 var(--f-head)}
.progress .of{color:var(--ink-2);font-size:14px}
.bar{display:flex;height:6px;border-radius:3px;overflow:hidden;background:var(--pend-soft);margin-top:10px}
.bar i{display:block;height:100%}
.legend{display:flex;gap:14px;justify-content:flex-end;margin-top:8px;font-size:12px;color:var(--ink-2);flex-wrap:wrap}
.legend span::before{content:"";display:inline-block;width:8px;height:8px;border-radius:2px;margin-right:6px;background:var(--c)}
.tools{display:flex;flex-wrap:wrap;gap:10px;align-items:center;justify-content:space-between;padding:16px 0}
.tabs,.chips,.actions{display:flex;flex-wrap:wrap;gap:6px;align-items:center}
.tab{border:0;background:transparent;padding:8px 2px;margin-right:14px;font:600 14px var(--f-head);color:var(--ink-3);border-bottom:2px solid transparent}
.tab[aria-selected="true"]{color:var(--ink);border-color:var(--wine)}
.chip{border:1px solid var(--line);background:var(--surface);border-radius:999px;padding:5px 12px;font-size:14px;color:var(--ink-2)}
.chip b{font-weight:600;color:var(--ink);margin-left:4px;font-family:var(--f-mono);font-size:12px}
.chip[aria-pressed="true"]{background:var(--ink);color:var(--bg);border-color:var(--ink)}
.chip[aria-pressed="true"] b{color:var(--bg)}
.notice{border:1px solid var(--line);background:var(--surface);border-radius:10px;padding:14px 16px;font-size:15px;color:var(--ink-2);margin-bottom:16px}
.notice strong{color:var(--ink)}
.selbar{position:sticky;top:env(safe-area-inset-top,0px);z-index:5;display:flex;flex-wrap:wrap;gap:10px;align-items:center;justify-content:space-between;background:var(--ink);color:var(--bg);border-radius:10px;padding:10px 14px;margin-bottom:14px}
.selbar .btn{background:transparent;color:var(--bg);border-color:rgba(255,255,255,.3)}
.selbar .btn.primary{background:var(--wine);border-color:var(--wine);color:var(--wine-ink)}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:18px}
.card{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:10px;overflow:hidden;display:flex;flex-direction:column;text-align:left;padding:0}
.card:hover{box-shadow:var(--shadow)}
.card .ph{aspect-ratio:4/3;background:var(--surface-2);max-width:100%;overflow:hidden}
.card .ph img{width:100%;height:100%;object-fit:cover;display:block}
.card .meta{padding:10px 12px 12px;display:grid;gap:6px}
.card .top{display:flex;justify-content:space-between;align-items:center;gap:8px}
.card .fn{font-size:14px;color:var(--ink-2);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.card .foot{display:flex;justify-content:space-between;align-items:center;font-size:12px;color:var(--ink-3)}
.frame{font:500 12px var(--f-mono);color:var(--ink-3);letter-spacing:.04em}
.pill{display:inline-flex;align-items:center;gap:6px;font:600 12px var(--f-body);padding:2px 9px;border-radius:999px;background:var(--bg-c);color:var(--fg-c);white-space:nowrap}
.pill::before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor}
.s-pendiente{--bg-c:var(--pend-soft);--fg-c:var(--pend)}
.s-cambios{--bg-c:var(--warn-soft);--fg-c:var(--warn)}
.s-aprobada{--bg-c:var(--ok-soft);--fg-c:var(--ok)}
.card.s-aprobada{border-color:color-mix(in srgb,var(--ok) 45%,var(--line))}
.card.s-cambios{border-color:color-mix(in srgb,var(--warn) 45%,var(--line))}
.card .open{position:absolute;inset:0;border:0;background:transparent;z-index:1}
.card .tick{position:absolute;top:10px;left:10px;z-index:2;width:26px;height:26px;border-radius:6px;border:2px solid #fff;background:rgba(0,0,0,.35);display:grid;place-items:center;color:#fff;pointer-events:none}
.card.sel{outline:3px solid var(--wine);outline-offset:-1px}
.card.sel .tick{background:var(--wine);border-color:var(--wine)}
.card .tick svg{width:14px;height:14px;opacity:0}
.card.sel .tick svg{opacity:1}
.vtag{font:500 11px var(--f-mono);background:var(--surface-2);color:var(--ink-2);padding:1px 6px;border-radius:4px}
.drop{border:1.5px dashed var(--ink-3);border-radius:12px;padding:44px 20px;text-align:center;color:var(--ink-2);background:var(--surface)}
.drop h3{font-size:18px;color:var(--ink);margin-bottom:6px}
.drop p{margin:0 0 16px}
.dragveil{position:fixed;inset:0;z-index:40;background:color-mix(in srgb,var(--wine) 18%,transparent);border:3px dashed var(--wine);display:grid;place-items:center;pointer-events:none}
.dragveil div{background:var(--surface);padding:18px 26px;border-radius:12px;font:600 18px var(--f-head);box-shadow:var(--shadow)}
.empty-client{padding:60px 20px;text-align:center;color:var(--ink-2)}
.upbar{position:fixed;left:50%;transform:translateX(-50%);bottom:calc(20px + env(safe-area-inset-bottom,0px));z-index:55;background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:10px;padding:10px 14px;width:min(420px,calc(100% - 32px));font-size:14px}
.upbar .track{height:4px;background:var(--surface-2);border-radius:2px;margin-top:8px;overflow:hidden}
.upbar .track i{display:block;height:100%;background:var(--wine);transition:width .2s}

.lb{position:fixed;inset:0;z-index:30;background:var(--scrim);display:flex;align-items:stretch;justify-content:center;padding:max(16px,env(safe-area-inset-top,0px)) 16px max(16px,env(safe-area-inset-bottom,0px))}
.lb-in{background:var(--surface);border-radius:12px;overflow:hidden;display:grid;grid-template-columns:minmax(0,1fr) 380px;width:100%;max-width:1400px}
.lb-img{position:relative;background:#111110;display:grid;place-items:center;min-height:0}
.lb-img img{max-width:100%;max-height:calc(100vh - 32px);object-fit:contain;display:block}
.lb-nav{position:absolute;top:50%;transform:translateY(-50%);border:0;background:rgba(0,0,0,.5);color:#fff;width:42px;height:42px;border-radius:50%;display:grid;place-items:center}
.lb-nav.prev{left:12px}.lb-nav.next{right:12px}
.lb-nav svg{width:20px;height:20px}
.lb-side{display:flex;flex-direction:column;min-height:0;border-left:1px solid var(--line)}
.lb-hd{padding:16px 18px;border-bottom:1px solid var(--line);display:grid;gap:8px}
.lb-hd .r{display:flex;justify-content:space-between;align-items:center;gap:8px;flex-wrap:wrap}
.lb-hd h2{font-size:16px;word-break:break-all}
.x{border:0;background:transparent;width:34px;height:34px;border-radius:8px;display:grid;place-items:center;color:var(--ink-2)}
.x:hover{background:var(--surface-2)}
.x svg{width:18px;height:18px}
.seal{border:1px solid color-mix(in srgb,var(--ok) 40%,var(--line));background:var(--ok-soft);border-radius:10px;padding:10px 12px;display:grid;grid-template-columns:auto 1fr;gap:4px 12px;align-items:center}
.seal img{grid-row:span 3;width:110px;height:48px;object-fit:contain;background:#fff;border-radius:6px;padding:2px}
.seal .n{font-weight:600}
.seal .d{font-size:13px;color:var(--ink-2)}
.thread{flex:1;overflow:auto;padding:14px 18px;display:grid;gap:12px;align-content:start}
.msg{display:grid;gap:3px}
.msg .who{font-size:13px;color:var(--ink-2);display:flex;gap:8px;align-items:baseline;flex-wrap:wrap}
.msg .who b{color:var(--ink);font-weight:600}
.msg .body{background:var(--surface-2);border-radius:4px 10px 10px 10px;padding:8px 11px;white-space:pre-wrap;word-wrap:break-word}
.msg.cambios .body{background:var(--warn-soft);border-left:3px solid var(--warn)}
.msg.epya .body{background:var(--wine-soft)}
.evt{font-size:13px;color:var(--ink-3);display:flex;gap:8px;align-items:center}
.evt::before{content:"";flex:0 0 14px;height:1px;background:var(--line)}
.rtag{font:600 10px var(--f-head);text-transform:uppercase;letter-spacing:.08em;padding:1px 6px;border-radius:4px;background:var(--surface-2);color:var(--ink-2)}
.rtag.epya{background:var(--ink);color:var(--bg)}
.composer{border-top:1px solid var(--line);padding:12px 18px 16px;display:grid;gap:10px}
.composer textarea{width:100%;min-height:74px;resize:vertical;border:1px solid var(--line);border-radius:8px;background:var(--bg);padding:9px 11px}
.composer .row-bar{justify-content:space-between}
.hint{font-size:12px;color:var(--ink-3)}
.owner-tools{display:flex;gap:6px;flex-wrap:wrap}
@media (max-width:860px){
  .lb{padding:0}
  .lb-in{grid-template-columns:1fr;grid-template-rows:auto 1fr;border-radius:0;overflow:auto}
  .lb-img{min-height:40vh}
  .lb-img img{max-height:55vh}
  .lb-side{border-left:0;border-top:1px solid var(--line)}
  .thread{overflow:visible}
}
.modal{position:fixed;inset:0;z-index:50;background:var(--scrim);display:grid;place-items:center;padding:16px}
.modal-in{background:var(--surface);border-radius:12px;width:100%;max-width:520px;max-height:calc(100vh - 32px);overflow:auto;padding:22px;display:grid;gap:14px;box-shadow:var(--shadow)}
.modal-in h2{font-size:20px}
.modal-in p{margin:0;color:var(--ink-2);font-size:15px}
.sigbox{position:relative;border:1px solid var(--line);border-radius:8px;background:#fff;touch-action:none}
.sigbox canvas{display:block;width:100%;height:150px;cursor:crosshair}
.sigbox .line{position:absolute;left:16px;right:16px;bottom:34px;border-bottom:1px solid #C9C6BF;pointer-events:none}
.sigbox .ph{position:absolute;left:18px;bottom:12px;font-size:12px;color:#8C8981;pointer-events:none}
.sigbox .clr{position:absolute;top:6px;right:6px;border:0;background:#EDEBE6;color:#2A2A27;border-radius:6px;font-size:12px;padding:3px 8px}
.check{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:var(--ink-2)}
.check input{margin-top:3px;accent-color:var(--wine)}
.stamp{font:500 13px var(--f-mono);color:var(--ink-2);background:var(--surface-2);padding:8px 10px;border-radius:6px}
.thumbs{display:flex;gap:6px;flex-wrap:wrap}
.thumbs img{width:54px;height:40px;object-fit:cover;border-radius:4px}
.actas{display:grid;gap:16px}
.acta{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:18px;display:grid;grid-template-columns:minmax(0,1fr) 240px;gap:18px}
.acta h3{font-size:15px;margin-bottom:4px}
.acta .when{font-size:14px;color:var(--ink-2)}
.acta .quote{font-size:14px;color:var(--ink-2);border-left:2px solid var(--line);padding-left:10px;margin:10px 0}
.acta .items{display:flex;flex-wrap:wrap;gap:10px;margin-top:8px}
.acta .it{display:grid;gap:3px;width:96px}
.acta .it img{width:96px;height:70px;object-fit:cover;border-radius:4px;background:var(--surface-2)}
.acta .it span{font-size:11px}
.acta .sig{border-left:1px solid var(--line);padding-left:18px;display:grid;align-content:center;gap:4px;text-align:center}
.acta .sig img{width:100%;height:90px;object-fit:contain;background:#fff;border-radius:6px;border:1px solid var(--line)}
.acta .sig .n{font-weight:600;margin-top:4px}
.acta .sig .c{font-size:13px;color:var(--ink-2)}
@media (max-width:640px){
  .head{grid-template-columns:1fr}
  .progress{min-width:0}.progress .nums,.legend{justify-content:flex-start}
  .acta{grid-template-columns:1fr}
  .acta .sig{border-left:0;border-top:1px solid var(--line);padding:14px 0 0}
  .grid{grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px}
  .item{grid-template-columns:1fr}
  .item .right{justify-content:flex-start}
  .brand-sub{display:none}
}
.toast{position:fixed;left:50%;bottom:calc(20px + env(safe-area-inset-bottom,0px));transform:translateX(-50%);z-index:60;background:var(--ink);color:var(--bg);padding:10px 16px;border-radius:8px;font-size:14px;box-shadow:var(--shadow);max-width:calc(100% - 32px)}
.loading{padding:60px 0;text-align:center;color:var(--ink-3)}
@media (prefers-reduced-motion:no-preference){.card,.item{transition:box-shadow .15s}}