:root {
  --bg: #f6f7f9; --panel: #fff; --ink: #1c2330; --muted: #6b7686; --line: #e3e7ed;
  --accent: #2f6fed; --accent-ink: #fff; --agent: #eef3ff; --me: #2f6fed; --me-ink: #fff;
  --tool: #f3f0e6; --tool-ink: #6b5a1e; --ok: #1f8a4c; --bad: #c43d3d;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #12161d; --panel: #1a2029; --ink: #e6eaf0; --muted: #8d97a6; --line: #2a323e;
    --accent: #5b8cff; --agent: #222b3a; --me: #3d6fe0; --tool: #2b2717; --tool-ink: #d8c27a;
    --ok: #45c07a; --bad: #e46a6a; color-scheme: dark;
  }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 14px/1.45 system-ui, -apple-system, "Segoe UI", sans-serif; }
nav { display: flex; flex-wrap: wrap; gap: 4px; align-items: center; padding: 10px 16px; background: var(--panel); border-bottom: 1px solid var(--line); }
nav b { margin-right: 16px; }
nav a { color: var(--muted); text-decoration: none; padding: 6px 12px; border-radius: 6px; }
nav a.on, nav a:hover { color: var(--ink); background: var(--bg); }
nav .badge { margin-left: auto; font-size: 12px; color: var(--muted); }
main { max-width: 1100px; margin: 0 auto; padding: 16px; }
.panel { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 16px; }
label { display: block; font-size: 12px; color: var(--muted); margin: 10px 0 4px; }
input, select, textarea { width: 100%; padding: 8px 10px; border: 1px solid var(--line); border-radius: 6px; background: var(--bg); color: var(--ink); font: inherit; }
textarea { resize: vertical; min-height: 80px; font-family: inherit; }
button { padding: 8px 14px; border: 1px solid var(--line); border-radius: 6px; background: var(--panel); color: var(--ink); font: inherit; cursor: pointer; }
button.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
button.danger { color: var(--bad); }
button:disabled { opacity: .5; cursor: default; }
.row { display: flex; gap: 12px; flex-wrap: wrap; }
.row > * { flex: 1 1 180px; }
.muted { color: var(--muted); }
.err { color: var(--bad); }
.ok { color: var(--ok); }
pre { white-space: pre-wrap; background: var(--bg); padding: 12px; border-radius: 6px; border: 1px solid var(--line); overflow-x: auto; font-size: 12px; }
h2 { font-size: 15px; margin: 0 0 8px; }
.hint { font-size: 12px; color: var(--muted); margin-top: 4px; }
nav .user { margin-left: auto; display: flex; gap: 8px; align-items: center; font-size: 13px; }
nav .user a { padding: 4px 8px; }
nav .badge + .user { margin-left: 12px; }
@media (max-width: 600px) {
  nav .user, nav .badge { margin-left: 0; width: 100%; flex-wrap: wrap; }
  nav b { margin-right: 8px; }
}

/* skriveni elementi ostaju skriveni i kad imaju display:flex (.row) */
[hidden] { display: none !important; }
/* dugi API kljucevi i lozinke se lome umjesto da guraju stranicu u sirinu */
code { word-break: break-all; }
img { max-width: 100%; }

@media (max-width: 600px) {
  main { padding: 12px; }
  .panel { padding: 12px; }
  /* iOS uvecava stranicu kad polje ima slova manja od 16px */
  input, select, textarea, button { font-size: 16px; }
  button { padding: 10px 14px; }
  .bar > *, .bar a button { flex: 1 1 auto; }
}