:root{--navy:#14213d;--orange:#ff5a1f;--ink:#1a1a2e;--muted:#5c6479;--line:#e4e7ee;--bg:#f7f8fa;--card:#ffffff}*{box-sizing:border-box}body,html{margin:0;padding:0;background:var(--bg);color:var(--ink);font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased}a{color:var(--orange)}.center{min-height:100dvh;display:grid;place-items:center;padding:24px}.card{width:100%;max-width:400px;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:28px;box-shadow:0 1px 3px rgba(20,33,61,.06)}.brand{font-weight:700;font-size:26px;letter-spacing:-.01em;color:var(--navy);margin:0 0 4px}.brand span{color:var(--orange)}.subtle{color:var(--muted);font-size:14px;margin:0 0 20px}label{display:block;font-size:13px;font-weight:600;color:var(--navy);margin:14px 0 6px}input[type=email],input[type=password]{width:100%;padding:11px 12px;border:1px solid var(--line);border-radius:9px;font-size:15px}input:focus{outline:2px solid var(--orange);outline-offset:1px;border-color:transparent}button{cursor:pointer;font-size:15px;font-weight:600;border-radius:9px;border:1px solid transparent;padding:11px 14px;width:100%}button:disabled{opacity:.6;cursor:default}.btn-primary{background:var(--navy);color:#fff;margin-top:18px}.btn-orange{background:var(--orange);color:#fff}.btn-oauth{background:#fff;color:var(--navy);margin-top:10px}.btn-ghost,.btn-oauth{border-color:var(--line)}.btn-ghost{background:transparent;color:var(--muted);width:auto;padding:8px 12px;font-size:13px}.divider{display:flex;align-items:center;gap:10px;color:var(--muted);font-size:12px;margin:20px 0 4px}.divider:after,.divider:before{content:"";flex:1 1;height:1px;background:var(--line)}.msg{margin-top:14px;font-size:13px;padding:10px 12px;border-radius:9px}.msg-error{background:#fff1ee;color:#b23214;border:1px solid #ffd9cd}.msg-ok{background:#eefaf1;color:#1a7f3c;border:1px solid #cdeed7}.result{margin-top:18px;padding:14px;border:1px solid var(--line);border-radius:10px;background:var(--bg);font-size:13px}.result code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12px}.latency{font-weight:700;color:var(--navy)}.shell-top{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-bottom:8px}