*{margin:0;padding:0;box-sizing:border-box}:root{--primary:#ff4d6a;--primary-dark:#e9445e;--primary-light:#ff7b92;--bg:#0f0f1a;--bg-card:#1a1a2e;--bg-card2:#16213e;--text:#f0f0f0;--text2:#a0a0b0;--text3:#6b6b80;--border:#2a2a40;--success:#4ade80;--warning:#f59e0b;--radius:12px;--radius-sm:8px;--shadow:0 2px 12px rgba(0,0,0,.3);--nav-height:60px;--header-height:48px;--safe-bottom:env(safe-area-inset-bottom,0px)}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif;background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;max-width:450px;margin:0 auto;min-height:100vh;overflow-x:hidden}.app{min-height:100vh;display:flex;flex-direction:column}.app-header{position:sticky;top:0;z-index:99;background:linear-gradient(135deg,var(--primary),#c0392b);padding:10px 16px;text-align:center;cursor:pointer;box-shadow:0 2px 8px #ff4d6a40}.app-header 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i:first-child{width:24px;text-align:center;color:var(--primary);font-size:16px}.menu-item span{flex:1;font-size:14px}.menu-item i:last-child{color:var(--text3);font-size:12px}.menu-item+.menu-item{border-top:none}.streak-circles{display:flex;gap:8px;justify-content:center;margin:16px 0}.streak-day{width:40px;height:40px;border-radius:50%;display:flex;flex-direction:column;align-items:center;justify-content:center;font-size:10px;font-weight:600;background:var(--bg-card2);color:var(--text3)}.streak-day.checked{background:var(--primary);color:#fff}.streak-day.today{border:2px solid var(--primary);color:var(--primary)}.checkin-btn-wrap{text-align:center;margin:20px 0}.checkin-btn{width:80px;height:80px;border-radius:50%;border:none;background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff;font-size:16px;font-weight:700;cursor:pointer;box-shadow:0 4px 20px #ff4d6a66;transition:all 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a{color:var(--primary);cursor:pointer;font-weight:600;text-decoration:none;-webkit-tap-highlight-color:transparent}.auth-switch a:active{opacity:.7}.filter-bar{display:flex;gap:8px;padding:10px 16px;background:var(--bg-card);position:sticky;top:0;z-index:50}.filter-bar input{flex:1;padding:8px 14px;background:var(--bg-card2);border:1px solid var(--border);border-radius:20px;color:var(--text);font-size:13px;outline:none}.filter-bar select{padding:8px 12px;background:var(--bg-card2);border:1px solid var(--border);border-radius:20px;color:var(--text);font-size:13px;outline:none;-webkit-appearance:none;-moz-appearance:none;appearance:none}