:root{--ink:#2e2a26;--paper:#f6f1e7;--card:#fffdf7;--line:#ddd2bd;--accent:#7a5c2e;--accent2:#44503c;--bad:#8c3b2e;--muted:#7d7466;--radius:12px}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--paper);color:var(--ink);font:16px/1.55 -apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif}
h1,h2,h3,.serif{font-family:Georgia,"Times New Roman",serif}
#topbar{position:sticky;top:0;z-index:10;display:flex;justify-content:space-between;align-items:center;padding:10px 16px;background:var(--ink);color:#e8ddc9}
.brand{display:flex;align-items:baseline;gap:10px}
.brand-mark{display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;border:1px solid #a98f5f;border-radius:8px;font-family:Georgia,serif;font-size:19px;color:#e8ddc9}
.brand-name{font-family:Georgia,serif;font-size:20px}
.brand-sub{font-size:12px;opacity:.75;letter-spacing:.06em;text-transform:uppercase}
#top-actions button{background:transparent;border:1px solid #a98f5f;color:#e8ddc9;border-radius:8px;padding:5px 12px;cursor:pointer}
main{max-width:1020px;margin:0 auto;padding:18px 16px 60px}
.pad{padding:24px 0}
.muted{color:var(--muted)}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px;margin:0 0 16px}
button.btn{background:var(--accent);color:#fff;border:0;border-radius:9px;padding:9px 16px;cursor:pointer;font-size:15px}
button.btn.secondary{background:var(--accent2)}
button.btn.ghost{background:transparent;color:var(--accent);border:1px solid var(--accent)}
button.btn.danger{background:var(--bad)}
button.btn:disabled{opacity:.5;cursor:default}
input[type=text],input[type=password],textarea,select{width:100%;padding:10px;border:1px solid var(--line);border-radius:9px;background:#fff;font:inherit;margin:4px 0 12px}
textarea{min-height:110px;resize:vertical}
label.lab{font-size:13px;font-weight:600;letter-spacing:.03em;color:var(--accent2)}
.err{background:#f7e3de;border:1px solid var(--bad);color:var(--bad);border-radius:9px;padding:10px 14px;margin:0 0 14px}
.note{background:#efe8d5;border:1px solid var(--line);border-radius:9px;padding:10px 14px;margin:0 0 14px}
nav.tabs{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 18px}
nav.tabs button{background:transparent;border:1px solid var(--accent);color:var(--accent);border-radius:999px;padding:7px 15px;cursor:pointer;font-size:15px}
nav.tabs button.on{background:var(--accent);color:#fff}
.msg{max-width:82%;padding:11px 15px;border-radius:14px;margin:0 0 10px;white-space:pre-wrap;word-wrap:break-word}
.msg.owner{background:#e9dfc8;margin-left:auto;border-bottom-right-radius:4px}
.msg.nathalie{background:var(--card);border:1px solid var(--line);border-bottom-left-radius:4px}
.msg.desk{background:#eef0e8;border:1px dashed var(--accent2);border-bottom-left-radius:4px;font-size:14.5px}
.msg .who{font-size:11px;text-transform:uppercase;letter-spacing:.07em;color:var(--muted);margin-bottom:3px}
.split{display:grid;grid-template-columns:300px 1fr;gap:16px}
@media(max-width:760px){.split{grid-template-columns:1fr}.msg{max-width:94%}}
.doclist{list-style:none;margin:0;padding:0}
.doclist li{padding:9px 10px;border-bottom:1px solid var(--line);cursor:pointer;border-radius:6px}
.doclist li:hover,.doclist li.on{background:#efe8d5}
.doclist .sz{font-size:12px;color:var(--muted)}
.reader{white-space:pre-wrap;word-wrap:break-word;font-size:15.5px}
.reader h1,.reader h2,.reader h3{white-space:normal}
.kv{display:flex;justify-content:space-between;gap:12px;padding:7px 0;border-bottom:1px solid var(--line)}
.kv:last-child{border-bottom:0}
.pill{display:inline-block;padding:1px 9px;border-radius:999px;font-size:12px;border:1px solid var(--accent2);color:var(--accent2)}
.pill.warn{border-color:var(--bad);color:var(--bad)}
.row{display:flex;gap:9px;flex-wrap:wrap;align-items:center}
code{background:#efe8d5;padding:1px 6px;border-radius:5px;font-size:13.5px}
pre.copybox{background:#2e2a26;color:#e8ddc9;border-radius:9px;padding:14px;white-space:pre-wrap;word-wrap:break-word;font-size:14px}
.small{font-size:13.5px}
.reader p[dir=rtl]{text-align:right}
.reader.reading{font-family:Georgia,"Times New Roman",serif;font-size:18.5px;line-height:1.8;max-width:680px;margin:0 auto}
.compare{display:grid;grid-template-columns:1fr 1fr 1fr;gap:14px;align-items:start}
@media(max-width:900px){.compare{grid-template-columns:1fr}}
/* phone polish: thumb-sized targets, stacked record rows, calmer top bar */
button.btn,nav.tabs button{min-height:42px}
@media(max-width:760px){
  #topbar{flex-wrap:wrap;gap:6px;padding:8px 12px}
  .brand-sub{display:none}
  main{padding:12px 10px 48px}
  .card{padding:14px}
  .kv{flex-direction:column;gap:4px}
  .msg{max-width:94%}
  input[type=text],input[type=password],textarea{font-size:16px} /* keeps iOS from zooming on focus */
  nav.tabs{flex-wrap:nowrap;overflow-x:auto;padding-bottom:4px}
  nav.tabs button{white-space:nowrap}
}