:root { --bg: #f6f7f9; --card: #fff; --line: #dde1e7; --text: #1c2430; --muted: #66707f; --accent: #0068ff; --danger: #b3261e; }
* { box-sizing: border-box; }
body { margin: 0; font: 14px/1.5 system-ui, sans-serif; background: var(--bg); color: var(--text); }
header.top { display: flex; align-items: center; gap: 12px; padding: 10px 20px; background: var(--card); border-bottom: 1px solid var(--line); }
header.top .brand { font-weight: 700; margin-right: auto; }
main { max-width: 1100px; margin: 0 auto; padding: 20px; }
h2 { margin: 0 0 12px; font-size: 18px; }
h3 { margin: 0 0 8px; font-size: 15px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 8px; padding: 14px; margin-bottom: 14px; }
.muted { color: var(--muted); }
.small { font-size: 12px; }
.error { color: var(--danger); margin: 8px 0; }
.ok { color: #1a7f37; margin: 8px 0; }
button { font: inherit; padding: 6px 12px; border: 1px solid var(--line); border-radius: 6px; background: var(--card); cursor: pointer; }
button.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
button.danger { color: var(--danger); }
button:disabled { opacity: .5; cursor: default; }
input, select, textarea { font: inherit; padding: 6px 8px; border: 1px solid var(--line); border-radius: 6px; background: #fff; max-width: 100%; }
input[type=checkbox] { padding: 0; }
textarea { width: 100%; min-height: 90px; resize: vertical; }
label { display: flex; flex-direction: column; gap: 3px; font-size: 12px; color: var(--muted); }
label.inline { flex-direction: row; align-items: center; gap: 6px; color: var(--text); font-size: 14px; }
.form { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 10px; align-items: end; margin: 8px 0; }
.form .wide { grid-column: 1 / -1; }
.login { max-width: 340px; margin: 12vh auto; }
.login .form { grid-template-columns: 1fr; }
.tabs { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 14px; }
.tabs button.active { background: var(--accent); border-color: var(--accent); color: #fff; }
.row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
table { width: 100%; border-collapse: collapse; background: var(--card); border: 1px solid var(--line); border-radius: 8px; }
th, td { text-align: left; padding: 6px 10px; border-bottom: 1px solid var(--line); vertical-align: top; word-break: break-word; }
th { font-size: 12px; color: var(--muted); font-weight: 600; }
code { background: #eef0f4; padding: 1px 5px; border-radius: 4px; font-size: 12px; }
.split { display: grid; grid-template-columns: 280px 1fr; gap: 14px; align-items: start; }
.chatlist { display: flex; flex-direction: column; gap: 6px; }
.chatitem { background: var(--card); border: 1px solid var(--line); border-radius: 8px; padding: 8px 10px; cursor: pointer; }
.chatitem:hover, .chatitem.sel { border-color: var(--accent); }
.clip { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.msgs { display: flex; flex-direction: column; gap: 6px; max-height: 55vh; overflow: auto; margin-bottom: 10px; }
.bub { max-width: 80%; padding: 6px 10px; border-radius: 10px; white-space: pre-wrap; word-break: break-word; }
.bub.in { align-self: flex-start; background: #eef0f4; }
.bub.out { align-self: flex-end; background: #dbeaff; }
.bub .src { display: block; font-size: 11px; color: var(--muted); }
@media (max-width: 760px) { .split { grid-template-columns: 1fr; } main { padding: 12px; } }