:root{--bg: #0f1419;--surface: #1a2129;--surface-2: #232c37;--border: #2e3a47;--text: #e6edf3;--text-dim: #97a3b0;--accent: #4fb0c6;--accent-2: #6ee7b7;--danger: #f08a8a;--ok: #6ee7b7;--radius: 14px;color-scheme:dark}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Hiragino Kaku Gothic ProN,Noto Sans JP,Segoe UI,system-ui,sans-serif;-webkit-font-smoothing:antialiased}.app{max-width:640px;margin:0 auto;min-height:100%;display:flex;flex-direction:column;padding-bottom:calc(64px + env(safe-area-inset-bottom))}.page{flex:1;padding:16px}.nav{position:fixed;bottom:0;left:0;right:0;display:flex;justify-content:space-around;background:var(--surface);border-top:1px solid var(--border);padding:8px 8px calc(8px + env(safe-area-inset-bottom));z-index:10}.nav a{flex:1;text-align:center;color:var(--text-dim);text-decoration:none;font-size:12px;padding:4px;border-radius:10px}.nav 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