:root{--bg: #f7f4ee;--bg-elev: #fdfbf6;--ink: #1a1612;--ink-soft: #4a4239;--ink-mute: #8a8175;--rule: #e6dfd2;--rule-strong: #d4cab7;--accent: #b8541e;--accent-soft: #f4e4d6;--accent-deep: #8a3d12;--success: #4a7c3a;--shadow-sm: 0 1px 2px rgba(26, 22, 18, .04), 0 1px 3px rgba(26, 22, 18, .06);--shadow-md: 0 4px 16px rgba(26, 22, 18, .06), 0 1px 4px rgba(26, 22, 18, .04);--shadow-lg: 0 12px 40px rgba(26, 22, 18, .08), 0 2px 8px rgba(26, 22, 18, .04)}*{box-sizing:border-box;margin:0;padding:0}html,body{background:var(--bg);color:var(--ink);font-family:Geist,-apple-system,sans-serif;font-size:15px;line-height:1.55;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;min-height:100vh}body{background-image:radial-gradient(circle at 15% 20%,rgba(184,84,30,.04) 0%,transparent 40%),radial-gradient(circle at 85% 85%,rgba(184,84,30,.03) 0%,transparent 40%);background-attachment:fixed}.app{display:grid;grid-template-rows:auto 1fr;min-height:100vh;max-width:1180px;margin:0 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var(--rule);display:flex;align-items:center;justify-content:space-between}.brand{display:flex;align-items:center;gap:12px}.header-actions{display:flex;align-items:center;gap:16px}.user-chip{display:flex;align-items:center;gap:8px;padding:4px 10px 4px 4px;border:1px solid var(--rule);border-radius:999px;background:var(--bg-surface, #fff);font-size:13px;color:var(--text-primary, #1a1a1a)}.user-avatar{width:24px;height:24px;border-radius:50%;object-fit:cover;display:block}.user-name{max-width:180px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.user-logout{background:transparent;border:none;padding:2px 8px;margin-left:4px;font-size:12px;color:var(--text-secondary, #5f5e5a);cursor:pointer;border-radius:4px;font-family:inherit}.user-logout:hover{background:var(--bg-muted, #f1efe8);color:var(--text-primary, #1a1a1a)}.app-bootstrap{min-height:100vh;background:var(--bg-page, #fafaf7)}.login-screen{min-height:100vh;background:var(--bg-page, #fafaf7);display:flex;align-items:center;justify-content:center;padding:24px}.login-card{width:100%;max-width:440px;background:var(--bg-surface, #fff);border:1px solid var(--rule, rgba(0, 0, 0, .1));border-radius:12px;padding:40px 36px;text-align:center;box-shadow:0 1px 3px #0000000a}.login-brand{font-size:11px;letter-spacing:.18em;color:var(--text-tertiary, #9a9892);margin-bottom:24px}.login-title{margin:0 0 8px;font-size:22px;font-weight:500;color:var(--text-primary, #1a1a1a)}.login-sub{margin:0 0 28px;font-size:14px;color:var(--text-secondary, #5f5e5a);line-height:1.55}.login-google-btn{width:100%;padding:12px 20px;background:var(--accent, #0F6E56);color:#fff;border:none;border-radius:8px;font-family:inherit;font-size:14px;font-weight:500;cursor:pointer;transition:background .15s,opacity .15s}.login-google-btn:hover:not(:disabled){background:var(--accent-light, #1D9E75)}.login-google-btn:disabled{opacity:.55;cursor:not-allowed}.login-error{margin-top:16px;padding:10px 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var(--rule-strong);color:var(--ink-soft);padding:8px 14px;border-radius:8px;font-family:inherit;font-size:13px;cursor:pointer;transition:all .15s ease;display:flex;align-items:center;gap:6px}.ghost-btn:hover{background:var(--bg-elev);border-color:var(--ink-mute);color:var(--ink)}.crumbs{display:flex;align-items:center;gap:6px;padding:16px 0;flex-wrap:wrap;min-height:50px}.crumb{font-family:Geist Mono,monospace;font-size:12px;padding:4px 10px;background:var(--bg-elev);border:1px solid var(--rule);border-radius:6px;color:var(--ink-soft);cursor:pointer;transition:all .15s ease;letter-spacing:-.01em}.crumb:hover{border-color:var(--accent);color:var(--accent)}.crumb-sep{color:var(--ink-mute);font-size:11px}.crumb-empty{font-size:12px;color:var(--ink-mute);font-style:italic}.chat{padding:8px 0 32px;display:flex;flex-direction:column;gap:24px}.msg{display:flex;flex-direction:column;gap:12px;animation:slideIn .4s cubic-bezier(.2,.8,.2,1)}@keyframes 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Mono,monospace;color:var(--ink-mute);background:var(--bg);border:1px solid var(--rule-strong);border-radius:999px;cursor:pointer;align-self:flex-start}.suggested-reopen:hover{background:var(--accent-soft);color:var(--accent-deep);border-color:#b8541e4d}.suggested-reopen-chev{font-size:12px}