*{box-sizing:border-box;margin:0;padding:0}:root{--bg:#f8f9fc;--bg-white:#fff;--bg-hover:#f3f4f8;--bg-subtle:#f0f1f5;--border:#e8eaef;--border-light:#f0f1f5;--text:#1a1d26;--text-secondary:#6b7080;--text-muted:#9ca3b0;--accent:#4f6ef7;--accent-light:#eef1fe;--accent-hover:#3d5ce5;--green:#10b981;--green-light:#ecfdf5;--red:#ef4444;--red-light:#fef2f2;--yellow:#f59e0b;--yellow-light:#fffbeb;--orange:#f97316;--orange-light:#fff7ed;--shadow-sm:0 1px 2px #0000000a;--shadow-md:0 2px 8px #0000000f;--shadow-lg:0 4px 16px #00000014;--radius:12px;--radius-sm:8px;--radius-xs:6px}body{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;color:var(--text);background:var(--bg);min-height:100vh;font-family:-apple-system,BlinkMacSystemFont,SF Pro Display,Inter,Segoe UI,sans-serif}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:#d1d5db;border-radius:3px}@keyframes fadeIn{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}.app{min-height:100vh}.app-header{-webkit-backdrop-filter:blur(16px);border-bottom:1px solid var(--border);z-index:100;background:#ffffffd1;align-items:center;gap:32px;height:52px;padding:0 24px;display:flex;position:sticky;top:0}.app-title{white-space:nowrap;color:var(--text);letter-spacing:-.4px;margin:0;font-size:17px;font-weight:700}.app-nav{gap:2px;display:flex}.app-nav a{color:var(--text-secondary);border-radius:var(--radius-xs);padding:6px 14px;font-size:13px;font-weight:500;text-decoration:none;transition:all .15s}.app-nav a:hover{color:var(--text);background:var(--bg-hover)}.app-nav a.active{color:var(--accent);background:var(--accent-light);font-weight:600}.app-main{max-width:960px;margin:0 auto;padding:28px 24px;animation:.25s fadeIn}.card{background:var(--bg-white);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-sm);padding:20px;transition:box-shadow .2s}.card h2{color:var(--text);letter-spacing:-.2px;margin:0 0 14px;font-size:14px;font-weight:600}.btn{border-radius:var(--radius-xs);cursor:pointer;border:none;padding:7px 16px;font-size:13px;font-weight:600;transition:all .15s}.btn:hover{box-shadow:var(--shadow-md);transform:translateY(-.5px)}.btn:active{transform:translateY(0)}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover{background:var(--accent-hover)}.btn-success{background:var(--green);color:#fff}.btn-danger{background:var(--red);color:#fff}.bottom-nav{display:none}@media (width<=768px){.desktop-nav{display:none}.app-header{justify-content:center;height:46px;padding:0 16px}.app-main{padding:14px 12px 84px}.bottom-nav{-webkit-backdrop-filter:blur(16px);border-top:1px solid var(--border);padding:6px 0;padding-bottom:calc(6px + env(safe-area-inset-bottom));z-index:100;background:#ffffffe0;justify-content:space-around;display:flex;position:fixed;bottom:0;left:0;right:0}.bottom-nav a{color:var(--text-muted);border-radius:var(--radius-sm);flex-direction:column;align-items:center;gap:2px;padding:5px 16px;font-size:10px;text-decoration:none;transition:all .15s;display:flex}.bottom-nav a.active{color:var(--accent)}.nav-icon{font-size:20px;line-height:1}.nav-label{font-size:10px;font-weight:500}.card{border-radius:var(--radius-sm);padding:16px}}