:root{--background:#f6f1e8;--surface:#fffdf8;--surface-soft:#ece1cf;--text:#211d18;--muted:#766d5f;--line:#d8cbb8;--accent:#8b6f43;--accent-dark:#4c3b25;--danger:#9d2f2f;--shadow:0 18px 45px rgba(58,46,31,0.08)}*{box-sizing:border-box}body{margin:0;background:var(--background);color:var(--text);font-family:Arial,Helvetica,sans-serif}a{color:inherit}button,input,select,textarea{font:inherit}.shell{min-height:100vh;display:flex;flex-direction:column}.topbar{border-bottom:1px solid var(--line);background:rgba(255,253,248,.94);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.topbar-inner{max-width:1120px;margin:0 auto;padding:18px 20px;display:flex;align-items:center;justify-content:space-between;gap:20px}.brand{font-family:Georgia,Times New Roman,serif;font-size:24px;font-weight:700;letter-spacing:0;text-decoration:none}.brand 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