:root{--bg: #f5f6f8;--surface: #ffffff;--surface-alt: #f9fafb;--border: #e3e6ea;--text: #16191d;--text-muted: #6b7280;--accent: #ff5a5f;--accent-ink: #b8323a;--guest: #0f766e;--airbnb: #1d4ed8;--owner: #b45309;--negative: #b91c1c;--warning-bg: #fff7ed;--warning-ink: #9a3412;--error-bg: #fef2f2;--error-ink: #b91c1c;--radius: 14px;--shadow: 0 1px 2px rgba(16, 24, 40, .06), 0 8px 24px rgba(16, 24, 40, .05);--font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;--mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, monospace}@media(prefers-color-scheme:dark){:root:not([data-theme=light]){--bg: #0e1116;--surface: #161a21;--surface-alt: #1c2129;--border: #2a3039;--text: #e8eaed;--text-muted: #9aa3af;--guest: #5eead4;--airbnb: #93b4ff;--owner: #fbbf24;--negative: #fca5a5;--warning-bg: #2a1f10;--warning-ink: #fbbf24;--error-bg: #2a1414;--error-ink: #fca5a5;--shadow: 0 1px 2px rgba(0, 0, 0, .4), 0 8px 24px rgba(0, 0, 0, .3)}}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font);font-size:15px;line-height:1.5;-webkit-font-smoothing:antialiased}.app{max-width:1440px;margin:0 auto;padding:32px 16px 48px}.masthead{display:flex;flex-wrap:wrap;gap:16px;align-items:flex-end;justify-content:space-between;margin-bottom:16px}.masthead h1{margin:0;font-size:clamp(22px,3vw,30px);letter-spacing:-.02em}.masthead p{margin:4px 0 0;color:var(--text-muted)}.masthead__actions{display:flex;gap:12px;align-items:flex-end;flex-wrap:wrap}.disclaimer{background:var(--surface);border:1px solid var(--border);border-left:3px solid var(--accent);border-radius:var(--radius);padding:12px 16px;color:var(--text-muted);font-size:13px;margin:0 0 24px}.layout{display:grid;grid-template-columns:minmax(0,420px) 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