:root{--bg-primary: #ffffff;--bg-elevated: #f4f4f5;--text-primary: #111111;--text-muted: #6b6b6b;--border-subtle: #e5e5e5;--accent: #1f6feb;--error: #b91c1c;font-family:-apple-system,BlinkMacSystemFont,SF Pro Text,Segoe UI,Roboto,sans-serif;font-size:16px;color:var(--text-primary);background:var(--bg-primary)}*{box-sizing:border-box}html,body,#root{margin:0;padding:0;min-height:100vh}body{-webkit-font-smoothing:antialiased;padding:env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left)}button,input,select,textarea{font:inherit;color:inherit}button{cursor:pointer;min-height:44px;padding:0 16px;border-radius:8px;border:1px solid var(--border-subtle);background:var(--bg-elevated)}button:disabled{opacity:.5;cursor:progress}input,select,textarea{min-height:44px;padding:8px 12px;border-radius:8px;border:1px solid var(--border-subtle);background:var(--bg-primary);width:100%}textarea{min-height:120px;resize:vertical}a{color:var(--accent);text-decoration:none}.app-shell{display:flex;flex-direction:column;min-height:100vh;max-width:720px;margin:0 auto;padding:16px;gap:16px}.app-shell header{display:flex;align-items:center;justify-content:space-between;padding-bottom:8px;border-bottom:1px solid var(--border-subtle)}.app-shell main{flex:1}.error{color:var(--error);font-size:14px}