:root {
  --navy: #1B2A4A; --gold: #B8964F;
  --bg: #f4f5f7; --card: #ffffff; --text: #1B2A4A; --muted: #5b6275; --line: #e2e5eb;
  --ok-bg: #e6f4ea; --ok: #1e6b3a; --warn-bg: #fdf3dc; --warn: #7a5500; --bad-bg: #fbe9e9; --bad: #9b2424;
  --input: #ffffff;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0f1522; --card: #172033; --text: #e8ebf2; --muted: #a0a8ba; --line: #2a3550;
    --ok-bg: #173826; --ok: #8fd6a8; --warn-bg: #3b2f10; --warn: #f0cf7a; --bad-bg: #3d1a1a; --bad: #f2a3a3;
    --input: #0f1522;
  }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
.wrap { max-width: 1100px; margin: 0 auto; padding: 16px; }
.top { background: var(--navy); color: #fff; border-radius: 12px; padding: 14px 18px; display: flex; flex-wrap: wrap; gap: 8px; justify-content: space-between; align-items: center; margin-bottom: 14px; }
.brand { font-weight: 600; font-size: 18px; letter-spacing: .2px; }
.brand span, .top .meta { color: var(--gold); }
.top .meta { font-size: 14px; display: flex; gap: 14px; align-items: center; flex-wrap: wrap; }
.top button { background: transparent; color: #fff; border-color: rgba(255,255,255,.35); }
.grid { display: grid; gap: 14px; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); margin-bottom: 14px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 16px 18px; min-width: 0; }
.card h2 { font-size: 13px; font-weight: 600; color: var(--muted); text-transform: none; margin: 0 0 10px; letter-spacing: .2px; }
.big { font-size: 17px; font-weight: 600; margin: 0 0 4px; }
.sub { color: var(--muted); font-size: 13px; margin: 0 0 12px; }
.row { display: flex; justify-content: space-between; align-items: center; gap: 10px; padding: 8px 0; border-top: 1px solid var(--line); font-size: 14px; }
.row:first-of-type { border-top: 0; }
.row .grow { flex: 1; min-width: 0; overflow-wrap: anywhere; }
.pill { font-size: 12px; padding: 2px 10px; border-radius: 999px; white-space: nowrap; }
.ok { background: var(--ok-bg); color: var(--ok); } .warn { background: var(--warn-bg); color: var(--warn); } .bad { background: var(--bad-bg); color: var(--bad); }
button, .btn { font: inherit; font-size: 14px; padding: 7px 14px; border-radius: 8px; border: 1px solid var(--line); background: var(--card); color: var(--text); cursor: pointer; text-decoration: none; display: inline-block; }
button:hover, .btn:hover { border-color: var(--gold); }
button.primary { background: var(--navy); color: #fff; border-color: var(--navy); }
button.link { border: 0; padding: 0 4px; background: none; color: var(--muted); }
button:disabled { opacity: .6; cursor: wait; }
.actions { display: flex; gap: 8px; flex-wrap: wrap; }
input[type=text], input[type=password], textarea { font: inherit; width: 100%; padding: 8px 10px; border-radius: 8px; border: 1px solid var(--line); background: var(--input); color: var(--text); }
input:focus, textarea:focus { outline: 2px solid var(--gold); outline-offset: 0; }
.inline { display: flex; gap: 8px; margin-top: 10px; }
.empty { color: var(--muted); font-size: 14px; margin: 4px 0; }
.err { color: var(--bad); font-size: 13px; margin: 6px 0 0; }
.done { text-decoration: line-through; color: var(--muted); }
.chat { display: flex; flex-direction: column; gap: 10px; margin-bottom: 10px; }
.msg { padding: 10px 12px; border-radius: 10px; white-space: pre-wrap; overflow-wrap: anywhere; font-size: 14px; }
.msg.me { background: var(--bg); align-self: flex-end; max-width: 85%; }
.msg.ai { border: 1px solid var(--line); border-left: 3px solid var(--gold); border-radius: 0 10px 10px 0; }
.paper { background: #fff; color: #1d2344; border-radius: 8px; padding: 22px 26px; border: 1px solid var(--line); margin-top: 12px; font-size: 14px; }
.paper h3 { font-size: 13px; margin: 14px 0 4px; }
.paper ul { margin: 0; padding-left: 18px; }
.paper .head { font-size: 18px; font-weight: 700; margin: 2px 0 6px; }
.paper .soft { color: #5b5f73; }
.hidden { display: none; }
.wide { grid-column: 1 / -1; }
@media (max-width: 520px) { .wrap { padding: 12px 16px; } .card { padding: 14px; } }