:root{--bg:#0a0a14;--bg-elev:#12121d;--border:rgba(255,255,255,0.08);--fg:#e4e4e7;--muted:#71717a;--accent:#60a5fa;--error:#f87171}*{box-sizing:border-box}body,html{margin:0;padding:0;background:var(--bg);color:var(--fg);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;min-height:100vh}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}button,input{font-family:inherit}input{background:rgba(255,255,255,.04);border:1px solid var(--border);color:var(--fg);padding:10px 12px;border-radius:8px;font-size:13px;width:100%}input:focus{outline:2px solid var(--accent);outline-offset:0}.btn{padding:10px 14px;border:1px solid var(--border);border-radius:8px;background:var(--bg-elev);color:var(--fg);font-size:13px;font-weight:600;cursor:pointer;transition:background .15s ease}.btn:hover{background:rgba(255,255,255,.04)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--accent);color:#0a0a14;border-color:var(--accent)}.btn-primary:hover{filter:brightness(1.05)}