:root{--primary: #D32F2F;--bg: #ffebee;--text: #111827;--muted: #6b7280;--ig-gradient: linear-gradient(45deg, #f58529, #feda77, #dd2a7b, #8134af, #515bd4)}*{box-sizing:border-box}html,body{margin:0;padding:0;overflow-x:hidden;width:100%;max-width:100vw}body{font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial;color:var(--text);background:var(--bg);font-size:16px;-webkit-tap-highlight-color:transparent}.app-shell{display:grid;grid-template-rows:auto 1fr auto;min-height:100vh;padding-bottom:env(safe-area-inset-bottom);width:100%;max-width:100vw;overflow-x:hidden}.app-header{display:flex;align-items:center;justify-content:space-between;padding:calc(8px + env(safe-area-inset-top)) 12px 10px;border-bottom:1px solid #eee;position:sticky;top:0;background:#fff;z-index:10;width:100%}.brand{display:flex;align-items:center;gap:6px;font-weight:700;font-size:16px}.brand 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