:root{--font-sans:"Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--bg-app:#f5f5f7;--bg-card:#fff;--text-primary:#1d1d1f;--text-secondary:#86868b;--accent-primary:#0071e3;--accent-primary-hover:#0077ed;--border-color:#00000014;--radius-lg:18px;--radius-md:12px;--shadow-sm:0 2px 4px #0000000d;--shadow-md:0 10px 20px #0000001a}@media (prefers-color-scheme:dark){:root{--bg-app:#000;--bg-card:#1c1c1e;--text-primary:#f5f5f7;--text-secondary:#a1a1a6;--accent-primary:#0a84ff;--border-color:#ffffff1a}}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-sans);background-color:var(--bg-app);color:var(--text-primary);-webkit-font-smoothing:antialiased;line-height:1.5}h1,h2,h3{letter-spacing:-.02em;font-weight:600}button,a,input{transition:all .2s}.card{background:var(--bg-card);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);border:1px solid var(--border-color);padding:24px}.input-group{margin-bottom:20px}.label{color:var(--text-secondary);margin-bottom:8px;padding-left:4px;font-size:13px;font-weight:500;display:block}.input{border-radius:var(--radius-md);border:1px solid var(--border-color);background:var(--bg-app);width:100%;color:var(--text-primary);outline:none;padding:12px 16px;font-size:15px}.input:focus{border-color:var(--accent-primary);box-shadow:0 0 0 4px #0071e31a}.btn-primary{border-radius:var(--radius-md);background:var(--accent-primary);color:#fff;cursor:pointer;border:none;width:100%;padding:12px 24px;font-size:16px;font-weight:600}.btn-primary:hover{background:var(--accent-primary-hover);transform:scale(.98)}.btn-primary:active{transform:scale(.96)}.glass{-webkit-backdrop-filter:blur(20px);background:#ffffffb3}@media (prefers-color-scheme:dark){.glass{background:#1c1c1eb3}}