:root{color-scheme:dark;--bg:#101615;--surface:#171f1d;--field:#111b17;--text:#eff5f1;--muted:#9eada5;--line:#2b3932;--accent:#a3e6c4;--accentInk:#123324;--red:#f5aaa3;font-family:Inter,"Segoe UI",Arial,"Microsoft YaHei",sans-serif;font-size:14px}
:root[data-theme=light]{color-scheme:light;--bg:#f3f6f4;--surface:#fff;--field:#fff;--text:#1d3028;--muted:#65766d;--line:#dde6df;--accent:#146644;--accentInk:#fff;--red:#b94036}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text)}button,input,select{font:inherit;color:inherit}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}button{cursor:pointer}button:disabled{opacity:.5;cursor:wait}button,input,select{outline-offset:3px}#login{min-height:100dvh;display:grid;place-items:center;padding:90px 24px 40px}.options{position:absolute;right:24px;top:20px;display:flex;gap:8px}.options select{width:auto;max-width:160px;min-height:34px;border:0;background:transparent;padding:6px 8px;font-size:12px}.card{width:100%;max-width:408px}.brand{display:flex;align-items:center;gap:11px;font-size:19px;font-weight:650;letter-spacing:-.5px;margin-bottom:45px}.brand img{width:36px;height:36px}.brand em{font-size:11px;font-weight:500;font-style:normal;letter-spacing:1.4px;margin-left:3px;color:var(--muted)}h1{font-size:29px;letter-spacing:-.8px;margin:9px 0 10px;font-weight:650;line-height:1.3}.eyebrow{text-transform:uppercase;letter-spacing:1.6px;font-size:10px;color:var(--accent);font-weight:650}.lead{font-size:13px;color:var(--muted);line-height:1.8;margin:0 0 30px}.field{margin-bottom:21px}label{display:block;font-size:12px;font-weight:600;margin-bottom:9px}input{width:100%;border:1px solid var(--line);border-radius:8px;background:var(--field);min-height:45px;padding:10px 12px}input:focus{outline:2px solid var(--accent)}.submit{width:100%;min-height:45px;border:1px solid var(--accent);border-radius:8px;background:var(--accent);color:var(--accentInk);font-size:12px;font-weight:650;padding:12px 15px;display:flex;align-items:center;justify-content:center;gap:10px}.error{color:var(--red);font-size:12px;line-height:1.7;margin:0 0 16px}.foot{margin-top:28px;padding-top:22px;border-top:1px solid var(--line);font-size:12px;color:var(--muted);line-height:1.8}.foot p{margin:0 0 8px}.copyright{margin-top:30px;font-size:10px;color:var(--muted)}.spinner{width:20px;height:20px;border:2px solid var(--line);border-top-color:var(--accent);border-radius:50%;display:inline-block;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}@media(max-width:600px){.options{right:12px;top:14px}#login{padding-top:80px}.brand{margin-bottom:34px}}@media(prefers-reduced-motion:reduce){.spinner{animation:none}}
:root .guide-card{max-width:700px}.guide-card .brand{margin-bottom:30px}.help-steps{display:grid;gap:25px}.guide-step{display:flex;gap:16px;align-items:flex-start}.guide-step h2{font-size:15px;font-weight:650;margin:1px 0 8px}.guide-step p{font-size:12px;color:var(--muted);line-height:1.9;margin:0}.guide-number{display:grid;place-items:center;width:26px;height:26px;border:1px solid var(--line);background:var(--surface);border-radius:7px;flex:none;color:var(--accent);font-size:11px}.guide-step code{display:block;background:var(--surface);border:1px solid var(--line);border-radius:7px;padding:14px;margin-top:13px;font-size:13px;overflow-wrap:anywhere;user-select:all}