/* Redesign R1 · Phase A (PO 2026-10-26): same blue palette as the rest of KLW (was green/beige). */
:root{--bg:#f8fafc;--card:#fff;--ink:#0f172a;--muted:#64748b;--line:#e2e8f0;--accent:#2563eb;--accent-ink:#fff;--warn-bg:#fffbeb;--warn:#92400e;--chip:#eff6ff;--mine:#2563eb}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){--bg:#141513;--card:#1d1f1c;--ink:#ecebe7;--muted:#a3a39c;--line:#2e302c;--accent:#5fbf9f;--accent-ink:#0f1a16;--warn-bg:#2b2412;--warn:#f0c46a;--chip:#22302b;--mine:#2f8a71}}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.6 -apple-system,BlinkMacSystemFont,"PingFang SC","Noto Sans SC","Malgun Gothic",sans-serif}
.ask-shell{max-width:760px;margin:0 auto;padding:16px 16px 140px}
.ask-head{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:flex-start;gap:12px;margin:8px 0 12px}.ask-head>div:first-child{min-width:0;flex:1 1 260px}
.ask-head h1{font-size:20px;margin:0}.ask-head p{margin:2px 0 0;color:var(--muted);font-size:13px}
.lang-toggle{display:flex;flex:0 1 auto;max-width:100%;border:1px solid var(--line);border-radius:999px;overflow-x:auto;scrollbar-width:none;-webkit-overflow-scrolling:touch}.lang-toggle::-webkit-scrollbar{display:none}
.lang-toggle button{white-space:nowrap;border:0;background:transparent;color:var(--ink);padding:6px 12px;font:inherit;font-size:14px;cursor:pointer}
.lang-toggle button[aria-pressed="true"]{background:var(--accent);color:var(--accent-ink)}
.scope-note{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:10px 14px;color:var(--muted);font-size:13px;margin-bottom:12px}
.thread{display:flex;flex-direction:column;gap:12px}
.msg{max-width:100%}.msg.user{align-self:flex-end;background:var(--mine);color:#fff;border-radius:14px 14px 4px 14px;padding:10px 14px;max-width:85%;white-space:pre-wrap;word-break:break-word}
.msg.bot{background:var(--card);border:1px solid var(--line);border-radius:14px 14px 14px 4px;padding:14px 16px}
.msg.bot h2{font-size:17px;margin:0 0 8px}.msg.bot h3{font-size:13px;letter-spacing:.02em;color:var(--muted);margin:14px 0 6px;text-transform:uppercase}
.msg.bot ol,.msg.bot ul{margin:0;padding-left:20px}.msg.bot li{margin:4px 0}
.risk{display:inline-block;font-size:12px;background:var(--warn-bg);color:var(--warn);border-radius:6px;padding:1px 8px;margin-left:6px;vertical-align:2px}
.cautions li{color:var(--ink)}.sources li{font-size:14px;color:var(--muted)}.sources a{color:var(--accent)}
.label{margin-top:12px;font-size:12px;color:var(--muted);border-top:1px dashed var(--line);padding-top:8px}
.pii{background:var(--warn-bg);color:var(--warn);border-radius:10px;padding:8px 12px;font-size:14px;margin-bottom:8px}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:8px}.chips button{border:1px solid var(--line);background:var(--chip);color:var(--ink);border-radius:999px;padding:6px 12px;font:inherit;font-size:14px;cursor:pointer}
.q{margin:10px 0 0;font-weight:600}
.feedback{display:flex;gap:8px;align-items:center;margin-top:10px;font-size:13px;color:var(--muted)}.feedback button{border:1px solid var(--line);background:transparent;color:var(--ink);border-radius:8px;padding:2px 10px;cursor:pointer}
.composer{position:fixed;left:0;right:0;bottom:0;background:linear-gradient(transparent,var(--bg) 30%);padding:24px 16px 16px}
.composer form{max-width:760px;margin:0 auto;display:flex;gap:8px;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:8px}
.composer textarea{flex:1;border:0;background:transparent;color:var(--ink);font:inherit;resize:none;min-height:44px;max-height:140px;outline:none;padding:6px}
.composer button{border:0;background:var(--accent);color:var(--accent-ink);border-radius:10px;padding:0 16px;font:inherit;font-weight:600;cursor:pointer}
.examples{display:flex;flex-wrap:wrap;gap:8px;margin:4px 0 12px}.examples button{border:1px dashed var(--line);background:transparent;color:var(--muted);border-radius:10px;padding:6px 10px;font:inherit;font-size:13px;cursor:pointer;text-align:left}
.mock-banner{font-size:12px;color:var(--warn);margin-top:4px}
.src-open{border:0;background:transparent;color:var(--accent);font:inherit;font-size:14px;cursor:pointer;padding:0;text-decoration:underline}
.reader{position:fixed;inset:0;background:rgba(0,0,0,.35);display:flex;justify-content:flex-end;z-index:10}.reader[hidden]{display:none}
.reader-box{background:var(--card);width:min(640px,100%);height:100%;overflow:auto;padding:16px 18px 40px;border-left:1px solid var(--line)}
.reader-head{display:flex;justify-content:space-between;gap:12px;align-items:flex-start;position:sticky;top:-16px;background:var(--card);padding:8px 0}
.reader-head button{border:1px solid var(--line);background:transparent;color:var(--ink);border-radius:8px;font-size:20px;line-height:1;padding:2px 10px;cursor:pointer}
.reader-meta{color:var(--muted);font-size:13px;margin:0 0 8px}.reader-body h1{font-size:18px;margin:18px 0 6px}.reader-body h2{font-size:16px;margin:14px 0 6px}
.reader-body table{border-collapse:collapse;width:100%;font-size:14px;display:block;overflow-x:auto}.reader-body td,.reader-body th{border:1px solid var(--line);padding:6px;vertical-align:top;text-align:left}
.reader-body blockquote{margin:8px 0;padding:4px 12px;border-left:3px solid var(--accent);color:var(--muted)}
.ref{border:0;background:var(--chip);color:var(--accent);border-radius:4px;padding:0 4px;font:inherit;cursor:pointer}
.boundary{background:var(--warn-bg);color:var(--warn);border-radius:10px;padding:8px 12px;font-size:14px;margin:4px 0 8px}
.hint{font-size:13px;opacity:.75}

/* Opened inside the site-wide AI helper sheet (ai-fab.js, ?embed=1). */
body.ask-embed .ask-shell {
  padding-top: 0.5rem;
}
/* three-tier answers (PO 2026-10-23) */
.tier{display:inline-block;margin:0 0 8px;padding:3px 10px;border-radius:999px;font-size:13px;font-weight:700}
.tier--1{background:#e6f4ee;color:#1f6f5c}
.tier--2{background:#e8f0fe;color:#1d4ed8}
.tier--3{background:#fff6e5;color:#8a5a00}
.tier-note{font-size:13px;color:var(--muted);margin:0 0 8px}
.tier-wait{color:var(--muted);font-style:italic}
.tier-login{font-size:14px;color:var(--muted)}.tier-login a{color:var(--accent)}
.ai-answer p{margin:0 0 10px;line-height:1.6}
.src-official{display:inline-block;padding:0 6px;border-radius:6px;background:#e8f0fe;color:#1d4ed8;font-size:12px;font-weight:700}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .tier--1{background:#1d3a31;color:#8fe0c2}:root:not([data-theme="light"]) .tier--2,:root:not([data-theme="light"]) .src-official{background:#1e2a44;color:#9db8ff}:root:not([data-theme="light"]) .tier--3{background:#2b2412;color:#f0c46a}}

/* Redesign R1 · Phase B: language comes from the page when embedded; empty banner hidden. */
body.ask-embed .lang-toggle{display:none}
.mock-banner[hidden]{display:none}