*{box-sizing:border-box}:root{--green: #166534;--green-dark: #14532d;--bg: #f6f7f6;--card: #ffffff;--text: #1a1a1a;--muted: #6b7280;--border: #e5e7eb;--danger: #b91c1c}html,body{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;font-size:16px}#root{min-height:100vh}.app-shell{max-width:480px;margin:0 auto;min-height:100vh;background:var(--bg);padding-bottom:calc(24px + env(safe-area-inset-bottom))}.app-header{position:sticky;top:0;z-index:10;background:var(--green);color:#fff;padding:calc(12px + env(safe-area-inset-top)) 16px 12px;display:flex;align-items:center;gap:12px}.app-header h1{font-size:18px;margin:0;flex:1;font-weight:600}.app-header .who{font-size:13px;opacity:.85}button{font:inherit;cursor:pointer;border:none;border-radius:12px;min-height:48px;padding:12px 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