:root { --ink:#221a2b; --muted:#6c6475; --line:#e3dde9; --accent:#6a3fa0; --danger:#b42318; --warn:#8a5a00; --ok:#18794e; }
* { box-sizing: border-box; }
body { margin: 0; font: 14px/1.45 system-ui, sans-serif; color: var(--ink); background: #faf8fc; }
a { color: var(--accent); } code, pre { font: 12px/1.4 ui-monospace, monospace; }
nav.top { display: flex; gap: 14px; align-items: center; padding: 8px 16px; background: #24182f; color: #fff; }
nav.top a { color: #d9cfe6; text-decoration: none; } nav.top a.active { color: #fff; font-weight: 600; }
nav.top .link { color: #d9cfe6; }
main { padding: 16px 20px; } main.narrow { max-width: 380px; margin: 40px auto; }
h1 { font-size: 20px; margin: 0 0 12px; } h2 { font-size: 16px; margin: 0 0 8px; }
.stack > * + * { margin-top: 10px; } .row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; } .spacer { flex: 1; }
label { display: block; } input, textarea { width: 100%; padding: 6px 8px; border: 1px solid var(--line); border-radius: 6px; font: inherit; }
input[type=checkbox] { width: auto; } .row label input { width: auto; }
button { padding: 6px 12px; border: 1px solid var(--accent); background: var(--accent); color: #fff; border-radius: 6px; cursor: pointer; font: inherit; }
button.secondary { background: #fff; color: var(--accent); } button.link { background: none; border: 0; padding: 0; color: var(--accent); }
button:disabled { opacity: .5; cursor: default; }
.muted { color: var(--muted); } .error { color: var(--danger); } .warn { color: var(--warn); white-space: pre-wrap; }
.panel { background: #fff; border: 1px solid var(--line); border-radius: 8px; padding: 14px; }
table { border-collapse: collapse; width: 100%; background: #fff; } th, td { text-align: left; padding: 5px 8px; border-bottom: 1px solid var(--line); vertical-align: top; }
.chip { border-radius: 10px; padding: 0 7px; font-size: 11px; } .chip.ok { background: #dcf3e5; color: var(--ok); }
pre.diff, pre.log-box { background: #fff; border: 1px solid var(--line); padding: 10px; overflow: auto; max-height: 70vh; white-space: pre; }
.flash { position: fixed; top: 48px; right: 16px; max-width: 420px; background: #fff; border: 1px solid var(--danger); color: var(--danger); padding: 10px; border-radius: 6px; z-index: 5; }
.studio { display: grid; grid-template-columns: minmax(320px, 38%) 1fr; height: calc(100vh - 38px); }
.chat { display: flex; flex-direction: column; padding: 12px; border-right: 1px solid var(--line); min-width: 0; }
.log { flex: 1; overflow: auto; } .turn { padding: 8px 0; border-bottom: 1px solid var(--line); }
.prompt { font-weight: 600; white-space: pre-wrap; } .answer { white-space: pre-wrap; margin-top: 4px; }
.tool { color: var(--muted); font-size: 12px; } .notice { color: var(--warn); font-size: 12px; } .meta { color: var(--muted); font-size: 12px; }
.preview iframe { width: 100%; height: 100%; border: 0; background: #fff; }