:root{--orange:#fe3d07;--orange-dark:#d63006;--blue:#0a8fe8;--deep-blue:#0a3ff1;--bone:#f0e8d8;--text-primary:#1a1a1a;--text-secondary:#666;--text-muted:#999;--bg-page:#f7f7f8;--bg-card:#fff;--bg-hover:#f2f2f2;--radius:12px;--radius-lg:14px;--text-xs:11px;--text-sm:13px;--text-base:15px;--text-lg:20px;--text-xl:28px}*,:after,:before{box-sizing:border-box;margin:0}body{font-family:Inter,system-ui,-apple-system,sans-serif;color:var(--text-primary);background:var(--bg-page);-webkit-font-smoothing:antialiased;line-height:1.5}input,select,textarea{width:100%;padding:12px 16px;border-radius:var(--radius);border:1px solid #ddd;font-size:var(--text-base);outline:none;font-family:inherit;box-sizing:border-box;transition:border-color .15s,box-shadow .15s;background:var(--bg-card);color:var(--text-primary)}input:focus,select:focus,textarea:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(10,143,232,.12)}input::-moz-placeholder{color:var(--text-muted)}input::placeholder{color:var(--text-muted)}.btn{display:inline-flex;align-items:center;justify-content:center;border:none;font-family:inherit;font-weight:600;cursor:pointer;transition:all .15s ease;border-radius:var(--radius);line-height:1}.btn:active{transform:scale(.97)}.btn-primary{background:var(--orange);color:#fff;font-size:var(--text-base);padding:13px 24px}.btn-primary:hover{background:var(--orange-dark)}.btn-primary:disabled{background:#ccc;cursor:default;transform:none}.btn-sm{border-radius:8px}.btn-outline,.btn-sm{font-size:var(--text-xs);padding:6px 16px}.btn-outline{background:var(--bg-card);color:var(--orange);border:1px solid #eee;border-radius:8px}.btn-outline:hover{background:var(--bg-hover);border-color:#ccc}.btn-connect{background:var(--bg-card);color:var(--orange);border:1px solid #eee;font-size:var(--text-sm);padding:8px 18px;border-radius:8px;flex-shrink:0}.btn-connect:hover{background:var(--bg-hover);border-color:#ccc}.btn-ghost{background:transparent;color:var(--text-secondary);font-size:var(--text-sm);padding:8px 12px}.btn-ghost:hover{background:var(--bg-hover)}.card{background:var(--bg-card);border-radius:var(--radius);border:1px solid #eee;padding:16px;margin-bottom:10px}.card-lg{padding:24px}.page{min-height:100vh;padding-bottom:72px}.container{max-width:560px;margin:0 auto;padding:24px 16px}a{text-decoration:none;color:inherit}@keyframes pulse{0%,to{opacity:1}50%{opacity:.3}}@keyframes fadeIn{0%{opacity:0;transform:translateY(4px)}to{opacity:1;transform:translateY(0)}}::-webkit-scrollbar{width:4px}::-webkit-scrollbar-thumb{background:#ddd;border-radius:2px}