:root {
  --bg: #f5f6f8;
  --panel: #ffffff;
  --border: #dde1e6;
  --text: #1b1f24;
  --muted: #6b7280;
  --accent: #2563eb;
  --accent-dark: #1d4ed8;
  --danger: #dc2626;
  --ok: #16a34a;
  --warn: #d97706;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 15px;
  line-height: 1.45;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

header.topbar {
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  padding: 10px 20px;
  display: flex;
  align-items: center;
  gap: 16px;
}
header.topbar .brand { font-weight: 700; font-size: 16px; color: var(--text); }
header.topbar .spacer { flex: 1; }
header.topbar .who { color: var(--muted); font-size: 13px; }

main.container { max-width: 980px; margin: 24px auto; padding: 0 16px; }
main.container.wide { max-width: 1200px; }

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 18px 20px;
  margin-bottom: 18px;
}
h1 { font-size: 22px; margin: 0 0 14px; }
h2 { font-size: 17px; margin: 0 0 10px; }
.muted { color: var(--muted); font-size: 13px; }

.btn {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 7px;
  padding: 8px 16px;
  font-size: 14px;
  cursor: pointer;
}
.btn:hover { background: var(--accent-dark); text-decoration: none; }
.btn.secondary { background: #e5e7eb; color: var(--text); }
.btn.secondary:hover { background: #d1d5db; }
.btn.danger { background: var(--danger); }
.btn.small { padding: 4px 10px; font-size: 13px; }

input[type=text], input[type=password], textarea, select {
  width: 100%;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 7px;
  font-size: 14px;
  font-family: inherit;
  background: #fff;
  color: var(--text);
}
textarea { resize: vertical; }
label { display: block; margin: 10px 0 4px; font-size: 13px; color: var(--muted); }
form.inline { display: inline; }

.flash { border-radius: 8px; padding: 10px 14px; margin-bottom: 14px; font-size: 14px; }
.flash.error { background: #fee2e2; color: #991b1b; }
.flash.ok { background: #dcfce7; color: #166534; }

table.list { width: 100%; border-collapse: collapse; }
table.list th, table.list td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--border); vertical-align: top; }
table.list th { font-size: 12px; text-transform: uppercase; color: var(--muted); }

.project-card { display: block; padding: 14px 16px; border: 1px solid var(--border); border-radius: 10px; margin-bottom: 10px; background: var(--panel); color: var(--text); }
.project-card:hover { border-color: var(--accent); text-decoration: none; }
.project-card .key { font-size: 12px; color: var(--muted); }
.badge { display: inline-block; font-size: 11px; padding: 2px 8px; border-radius: 999px; background: #e5e7eb; color: #374151; margin-left: 6px; }
.badge.sensitive { background: #fef3c7; color: #92400e; }
.badge.admin { background: #ede9fe; color: #5b21b6; }

.tabs { display: flex; gap: 6px; margin-bottom: 16px; flex-wrap: wrap; }
.tabs a { padding: 7px 14px; border-radius: 8px; border: 1px solid var(--border); background: var(--panel); color: var(--text); font-size: 14px; }
.tabs a.active { background: var(--accent); border-color: var(--accent); color: #fff; }
.tabs a:hover { text-decoration: none; border-color: var(--accent); }

/* Чат */
.chat-messages { display: flex; flex-direction: column; gap: 12px; margin-bottom: 16px; }
.msg { max-width: 85%; border-radius: 12px; padding: 10px 14px; white-space: pre-wrap; word-break: break-word; }
.msg.user { align-self: flex-end; background: #dbeafe; }
.msg.assistant { align-self: flex-start; background: var(--panel); border: 1px solid var(--border); }
.msg .meta { font-size: 11px; color: var(--muted); margin-top: 6px; white-space: normal; }
.status-pill { display: inline-block; font-size: 11px; padding: 1px 8px; border-radius: 999px; }
.status-queued { background: #e5e7eb; color: #374151; }
.status-running { background: #fef3c7; color: #92400e; }
.status-done { background: #dcfce7; color: #166534; }
.status-error { background: #fee2e2; color: #991b1b; }

/* Файлы */
ul.filelist { list-style: none; padding: 0; margin: 0; }
ul.filelist li { padding: 6px 4px; border-bottom: 1px solid var(--border); display: flex; gap: 10px; align-items: baseline; }
ul.filelist li .size { margin-left: auto; color: var(--muted); font-size: 12px; white-space: nowrap; }
.crumbs { font-size: 13px; margin-bottom: 12px; color: var(--muted); }
pre.preview {
  background: #0f172a; color: #e2e8f0; border-radius: 8px;
  padding: 14px; overflow-x: auto; font-size: 13px; line-height: 1.5;
  white-space: pre-wrap; word-break: break-word; max-height: 70vh; overflow-y: auto;
}
iframe.pdf { width: 100%; height: 75vh; border: 1px solid var(--border); border-radius: 8px; }
img.preview { max-width: 100%; border-radius: 8px; border: 1px solid var(--border); }

.login-box { max-width: 380px; margin: 10vh auto 0; }