:root{--bg: #12141a;--bg-elevated: #1a1d25;--card: #181b22;--text: #e4e4e7;--text-strong: #fafafa;--muted: #71717a;--muted-foreground: #71717a;--border: #27272a;--accent: #ff5c5c;--secondary: #1e2028;--danger: #ef4444;--shadow-lg: 0 12px 28px rgba(0, 0, 0, .35);--radius-md: 8px;--radius-lg: 12px;--radius-full: 9999px;--mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;--font-body: -apple-system, BlinkMacSystemFont, "SF Pro Text", "PingFang SC", "Microsoft YaHei UI", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--focus: rgba(255, 92, 92, .25);color-scheme:dark}:root[data-locale=en]{--font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif}*{box-sizing:border-box}html,body{height:100%}body{margin:0;font:400 14px/1.55 var(--font-body);background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased}login-app{display:block;min-height:100vh}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:1px solid var(--border);border-radius:var(--radius-md);background:var(--secondary);color:var(--text);padding:8px 12px;font:inherit;cursor:pointer;transition:all .2s ease}.btn:hover:not(:disabled){border-color:color-mix(in srgb,var(--accent) 36%,var(--border))}.btn:disabled{opacity:.6;cursor:not-allowed}.btn.primary{border-color:color-mix(in srgb,var(--accent) 65%,var(--border));background:color-mix(in srgb,var(--accent) 22%,#111318)}.btn.primary:hover:not(:disabled){background:color-mix(in srgb,var(--accent) 30%,#111318)}.btn--sm{padding:6px 10px;font-size:13px}.auth-gate{min-height:100vh;display:flex;background:var(--bg-elevated)}.auth-gate__brand-panel{flex:1;display:flex;align-items:center;justify-content:center;background:#000;padding:48px;overflow:hidden;position:relative}.auth-gate__brand-content{position:relative;z-index:1;width:100%;display:flex;flex-direction:column;align-items:flex-end;gap:0}.auth-gate__brand-word{font-size:14vw;line-height:.85;font-weight:900;color:#ffffffe6;letter-spacing:-.02em;text-transform:uppercase;opacity:0;animation:auth-gate-brand-fade-in .8s ease-out forwards}.auth-gate__brand-word:nth-child(1){--target-opacity: .95;animation-delay:.1s}.auth-gate__brand-word:nth-child(2){--target-opacity: .7;animation-delay:.35s}.auth-gate__brand-word:nth-child(3){--target-opacity: .45;animation-delay:.6s}@keyframes auth-gate-brand-fade-in{0%{opacity:0;transform:translateY(10px)}to{opacity:var(--target-opacity, 1);transform:translateY(0)}}.auth-gate__form-panel{flex:1;min-height:100vh;display:flex;align-items:center;justify-content:center;padding:48px;background:var(--bg-elevated)}.auth-gate__form-content{width:100%;max-width:420px;display:flex;flex-direction:column;align-items:center;gap:24px}.auth-gate__login-card{width:100%;background:var(--card);border:1px solid var(--border);border-radius:12px;box-shadow:var(--shadow-lg);padding:32px;display:flex;flex-direction:column;gap:18px}.auth-gate__login-header{display:flex;flex-direction:column;gap:8px;text-align:center}.auth-gate__title-row{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:8px}.auth-gate__title{font-size:22px;font-weight:800;color:var(--text-strong)}.auth-gate__lang{font-size:14px;color:var(--muted)}.auth-gate__subtitle{color:var(--muted);font-size:14px}.auth-gate__connection-box{background:var(--secondary);border:1px dashed var(--border);border-radius:8px;padding:16px;display:flex;flex-direction:column;gap:6px}.auth-gate__label{color:var(--muted-foreground);font-size:13px}.auth-gate__value{font-family:var(--mono);font-size:14px;font-weight:700;color:var(--text);word-break:break-all}.auth-gate__hint{color:var(--muted-foreground);font-size:12px}.auth-gate__custom-toggle-row{display:flex}.auth-gate__custom-toggle{width:100%;justify-content:center;border-style:dashed}.auth-gate__field{display:flex;flex-direction:column;gap:6px}.auth-gate__field label{font-size:13px;color:var(--text);font-weight:500}.auth-gate__field input{width:100%;height:40px;border:1px solid var(--border);border-radius:8px;background:var(--card);color:var(--text);padding:10px 12px;font:inherit}.auth-gate__field input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--focus)}.auth-gate__remember{display:flex;align-items:center;gap:8px;color:var(--muted);font-size:14px;cursor:pointer}.auth-gate__remember input[type=checkbox]{width:14px;height:14px;margin:0;accent-color:var(--accent);cursor:pointer}.auth-gate__error-box{background:#ef44441f;border:1px solid rgba(239,68,68,.35);border-radius:8px;padding:8px 12px;color:#ff8f84;font-size:14px}.auth-gate__actions{margin-top:2px}.auth-gate__submit{width:100%;height:40px;justify-content:center;font-size:14px;font-weight:600}.auth-success{min-height:100vh;display:grid;place-items:center;padding:24px}.auth-success__card{width:min(600px,100%);border:1px solid var(--border);background:var(--card);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);padding:24px;display:grid;gap:12px}.auth-success__title{font-size:22px;font-weight:800;color:var(--text-strong)}.auth-success__desc{color:var(--muted)}.auth-success__meta{display:grid;gap:8px;padding:12px;border:1px dashed var(--border);border-radius:var(--radius-md);background:var(--secondary)}.auth-success__line{display:flex;justify-content:space-between;gap:12px}.auth-success__line code{font-family:var(--mono);color:var(--text-strong)}.auth-success__actions{display:flex;gap:8px}@media(max-width:900px){.auth-gate__brand-panel{display:none}.auth-gate__form-panel{padding:24px}}@media(max-width:768px){.auth-gate__form-panel{min-height:100vh}.auth-gate__login-card{padding:20px;box-shadow:none;border:none;background:transparent}.auth-gate__title{font-size:20px}.auth-success__line{flex-direction:column}}