:root{
  --paper:#FBF6EE;--paper-2:#F3EBDB;--white:#fff;
  --ink:#2A1418;--ink-2:#7A5044;--ink-3:#A98E80;
  --pine:#8A1626;--pine-deep:#6E101E;--gold:#BC8A1C;
  --line:#E7D9C2;--line-soft:#F1E8D8;
  --ok:#2F7D4F;--ok-bg:#E7F0E4;--ok-bd:#BCD6B0;
}
*{box-sizing:border-box;margin:0;padding:0}
body{background:var(--paper);color:var(--ink);font-family:'Inter',system-ui,sans-serif;font-size:15px;line-height:1.55;-webkit-font-smoothing:antialiased}
h1,h2,h3{font-family:'Fraunces',Georgia,serif;font-weight:500;letter-spacing:-0.01em}
a{color:var(--pine);text-decoration:none}
.muted{color:var(--ink-2)}.small{font-size:13px}.err{color:var(--pine);margin:8px 0}
.empty{color:var(--ink-3);padding:18px 20px}.empty.small{padding:14px 18px;font-size:13px}
.btn{display:inline-flex;align-items:center;gap:8px;background:var(--pine);color:#fff;border:none;border-radius:7px;padding:11px 18px;font-weight:600;font-size:14.5px;cursor:pointer}
.btn:hover{background:var(--pine-deep)}
.btn-ghost{background:transparent;border:1px solid var(--line);color:var(--ink)}
.btn-ghost:hover{border-color:var(--ink-2)}
.link{background:none;border:none;color:var(--pine);cursor:pointer;font-size:13px;padding:0;text-align:left}

/* ---- auth ---- */
.auth-top{padding:16px 28px;border-bottom:1px solid var(--line);background:var(--paper-2)}
.auth-top .brand{font-family:'Fraunces',serif;font-size:20px;font-weight:600}
.auth-top .brand small{font-family:'Inter';font-size:11px;color:var(--ink-2);letter-spacing:.06em;text-transform:uppercase;margin-left:4px}
.auth-wrap{display:flex;justify-content:center;padding:24px}
.card.auth{max-width:430px;width:100%;margin:56px auto;background:var(--white);border:1px solid var(--line);border-radius:12px;padding:34px}
.card.auth h1{font-size:26px;margin-bottom:10px}
.card.auth input{width:100%;padding:11px;border:1px solid var(--line);border-radius:7px;margin:14px 0;font-size:15px}

/* ---- app shell ---- */
.app{display:grid;grid-template-columns:248px 1fr;min-height:100vh}
.side{background:var(--white);border-right:1px solid var(--line);display:flex;flex-direction:column;padding:22px 0}
.side .brand{padding:0 22px 22px;font-family:'Fraunces',serif;font-size:20px;font-weight:600}
.side .brand small{font-family:'Inter';font-size:11px;font-weight:500;color:var(--ink-2);letter-spacing:.06em;text-transform:uppercase;margin-left:4px}
.side .grp{font-family:'JetBrains Mono',monospace;font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-3);padding:12px 22px 8px}
.side nav a{display:flex;align-items:center;gap:10px;padding:10px 22px;color:var(--ink-2);font-weight:500;font-size:14.5px;border-left:3px solid transparent}
.side nav a:hover{background:var(--paper-2);color:var(--ink)}
.side nav a.active{background:var(--paper-2);color:var(--pine);border-left-color:var(--pine)}
.side .user{margin-top:auto;padding:16px 22px 0;border-top:1px solid var(--line);display:flex;align-items:center;gap:10px;font-size:13px}
.side .av{width:32px;height:32px;border-radius:50%;background:var(--pine);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:600;font-size:12px;flex-shrink:0}
.side .ui{overflow:hidden}.side .ue{display:block;color:var(--ink-2);font-size:12.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.main{padding:30px 38px}
.top{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:26px;flex-wrap:wrap;gap:14px}
.top h1{font-size:27px}.top .date{color:var(--ink-2);font-size:14px;margin-top:3px}
.grid{display:grid;grid-template-columns:1fr 340px;gap:24px;align-items:start}
@media(max-width:1000px){.app{grid-template-columns:1fr}.side{display:none}.grid{grid-template-columns:1fr}}

/* deposit */
.drop-form{margin-bottom:24px}
.drop{display:block;border:1.5px dashed var(--gold);background:var(--line-soft);border-radius:12px;padding:22px;text-align:center;color:var(--ink-2);cursor:pointer}
.drop input[type=file]{display:none}
.drop strong{color:var(--ink);font-weight:600}
.drop .mono{display:block;font-family:'JetBrains Mono',monospace;font-size:11.5px;color:var(--ink-3);margin-top:6px}
.drop .fn{display:block;margin-top:8px;font-weight:600;color:var(--pine)}
.drop-meta{display:flex;gap:10px;margin-top:12px;flex-wrap:wrap}
.drop-meta input{flex:1;min-width:120px;padding:9px 11px;border:1px solid var(--line);border-radius:7px;font-size:13.5px}

/* panel + table */
.panel{background:var(--white);border:1px solid var(--line);border-radius:12px;overflow:hidden}
.panel .ph{padding:15px 20px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center}
.panel .ph h2{font-size:17px}.panel .ph .mini{font-size:13px;color:var(--ink-2)}
table{width:100%;border-collapse:collapse}
th{text-align:left;font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-3);font-weight:600;padding:11px 20px;border-bottom:1px solid var(--line)}
td{padding:13px 20px;border-bottom:1px solid var(--line-soft);font-size:14px}
tr:last-child td{border-bottom:none}
tr.row{cursor:pointer}tr.row:hover{background:var(--paper)}
.doc-name{font-weight:500;color:var(--ink)}
.doc-sub{font-size:12px;color:var(--ink-3);font-family:'JetBrains Mono',monospace;margin-top:2px}

/* status badges */
.st{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;font-weight:500;padding:3px 10px;border-radius:999px;border:1px solid var(--line);background:var(--paper-2);color:var(--ink-2);white-space:nowrap}
.st::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--ink-3)}
.st.revision{background:#FBEEDE;border-color:#E9CF9F;color:#7A5410}.st.revision::before{background:var(--gold)}
.st.poste{background:#F3E7F0;border-color:#D9B0CF;color:#7A2E63}.st.poste::before{background:#A8478F}
.st.livre{background:var(--ok-bg);border-color:var(--ok-bd);color:var(--ok)}.st.livre::before{background:var(--ok)}

/* messaging preview */
.msgs{display:flex;flex-direction:column;gap:12px;padding:16px 18px}
.m{display:flex;gap:10px}
.m .ma{width:30px;height:30px;border-radius:50%;flex-shrink:0;display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:600;color:#fff;background:var(--pine)}
.m.cli .ma{background:var(--gold);color:#3A2A08}
.m .mb{font-size:13.5px}.m .mb .who{font-weight:600;font-size:12.5px}
.m .mb .t{color:var(--ink-3);font-size:11px;font-family:'JetBrains Mono',monospace;margin-left:6px}
.panel .pf{padding:12px 16px;border-top:1px solid var(--line);text-align:center}

/* document detail */
.back{display:inline-block;font-size:14px;margin-bottom:16px}
.detail{display:grid;grid-template-columns:1fr 360px;gap:24px;align-items:start}
@media(max-width:1000px){.detail{grid-template-columns:1fr}}
.d-head{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:18px;gap:14px;flex-wrap:wrap}
.d-head h2{font-size:22px}
.d-head .meta{font-size:13px;color:var(--ink-2);font-family:'JetBrains Mono',monospace;margin-top:4px}
.h3{font-size:16px;margin:8px 0 16px}
.timeline{list-style:none;border-left:2px solid var(--line);margin-left:6px}
.timeline li{position:relative;padding:0 0 22px 24px}
.timeline li::before{content:"";position:absolute;left:-7px;top:3px;width:12px;height:12px;border-radius:50%;background:var(--line);border:2px solid var(--white)}
.timeline li.done::before{background:var(--gold)}
.timeline li.now::before{background:var(--pine);box-shadow:0 0 0 4px rgba(138,22,38,.15)}
.tl-head{font-weight:600;font-size:14.5px;display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.tl-sub{font-size:12.5px;color:var(--ink-2);margin-top:3px}.tl-sub .by{font-family:'JetBrains Mono',monospace;color:var(--ink-3)}
.tl-dl{font-size:13px;font-weight:600;margin-top:6px;display:inline-block}

/* chat */
.chat{background:var(--white);border:1px solid var(--line);border-radius:12px;display:flex;flex-direction:column;max-height:520px}
.chat .ch{padding:14px 18px;border-bottom:1px solid var(--line);font-weight:600;font-size:14.5px}
.chat .cbody{padding:16px 18px;display:flex;flex-direction:column;gap:14px;overflow:auto;flex:1}
.bub{max-width:82%;padding:9px 13px;border-radius:12px;font-size:13.5px;line-height:1.5}
.bub .t{display:block;font-size:10.5px;color:var(--ink-3);font-family:'JetBrains Mono',monospace;margin-top:5px}
.bub .ctx{display:block;font-size:10.5px;font-weight:600;color:var(--gold);margin-bottom:3px}
.bub.trad{align-self:flex-start;background:var(--paper-2);border:1px solid var(--line);border-bottom-left-radius:3px}
.bub.cli{align-self:flex-end;background:var(--pine);color:#fff;border-bottom-right-radius:3px}
.bub.cli .t{color:#E9C9CF}.bub.cli .ctx{color:#E9C9CF}
.chat .cf{padding:12px 14px;border-top:1px solid var(--line);display:flex;gap:8px}
.cf input,.cf-wide input{flex:1;border:1px solid var(--line);border-radius:7px;padding:9px 12px;font-size:14px}
.cf button,.cf-wide button{background:var(--pine);color:#fff;border:none;border-radius:7px;padding:0 16px;font-weight:600;cursor:pointer}

/* global messages */
.pgtitle{font-size:26px;margin-bottom:18px}
.thread{display:flex;flex-direction:column;gap:12px;margin-bottom:18px}
.cf-wide{display:flex;gap:10px;max-width:680px}