/* Partner Desk - plain, phone-first. */
:root {
  --bg: #f6f7f9; --fg: #1b1f24; --muted: #5d6673; --card: #ffffff; --line: #d9dde3;
  --accent: #1f3a5f; --accent-fg: #ffffff; --mine: #e6eef8; --error: #a4161a;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #14171b; --fg: #e8eaed; --muted: #9aa3ad; --card: #1d2126; --line: #2f353c;
          --accent: #7fa7d9; --accent-fg: #0d1117; --mine: #20304a; --error: #ff8a8a; }
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--fg); }
body { font: 16px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
main { max-width: 720px; margin: 0 auto; padding: 12px 16px 40px; }
h1 { font-size: 1.35rem; margin: 8px 0 4px; }
h2 { font-size: 1.05rem; margin: 24px 0 8px; }
a { color: var(--accent); }
.top { display: flex; align-items: center; gap: 12px; padding: 10px 16px; background: var(--card);
       border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 2; }
.brand { font-weight: 700; text-decoration: none; color: var(--fg); }
.who { margin-left: auto; color: var(--muted); font-size: .9rem; }
.inline { display: inline; margin: 0; }
.meta, .hint { color: var(--muted); font-size: .88rem; }
.error { color: var(--error); font-weight: 600; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 14px; display: grid; gap: 12px; }
label { display: grid; gap: 4px; font-size: .92rem; }
input, textarea { font: inherit; width: 100%; padding: 10px; border: 1px solid var(--line); border-radius: 8px;
                  background: var(--bg); color: var(--fg); }
button { font: inherit; padding: 10px 16px; border-radius: 8px; border: 0; background: var(--accent);
         color: var(--accent-fg); font-weight: 600; cursor: pointer; }
button:disabled { opacity: .6; }
button.secondary { background: transparent; color: var(--accent); border: 1px solid var(--accent); }
button.link { background: none; color: var(--accent); padding: 4px; font-weight: 500; }
.rooms { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.rooms li { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 12px; display: grid; }
.rooms a { font-weight: 600; text-decoration: none; }
.rooms li { gap: 2px; }
.preview { overflow: hidden; text-overflow: ellipsis; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow-wrap: anywhere; }
.preview b { font-weight: 600; }
.empty-room { color: var(--muted); }
div.empty-room { background: var(--card); border: 1px dashed var(--line); border-radius: 10px; padding: 12px; margin: 12px 0; }
div.empty-room p { margin: 0 0 4px; }
.push { margin: 8px 0; display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.messages { list-style: none; padding: 0; margin: 12px 0; display: grid; gap: 8px; }
.msg { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 8px 12px; }
.msg.mine { background: var(--mine); }
.msg .head { font-size: .85rem; color: var(--muted); }
.msg .head b { color: var(--fg); }
.msg .text { white-space: pre-wrap; overflow-wrap: anywhere; }
.compose { position: sticky; bottom: 0; background: var(--bg); padding: 8px 0; display: grid; gap: 8px; }
.scroll { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; font-size: .9rem; }
th, td { text-align: left; padding: 6px 8px; border-bottom: 1px solid var(--line); vertical-align: top; }
.secret { display: block; padding: 8px; background: var(--bg); border-radius: 6px; overflow-wrap: anywhere; user-select: all; }
.crumbs { font-size: .9rem; min-height: 1em; }