:root{--bg:#f1f5f4;--surface:#fff;--ink:#172126;--muted:#68777d;--faint:#8c989c;--line:#d9e3e3;--line-strong:#c4d2d3;--teal:#0e7568;--teal-strong:#095c52;--teal-soft:#e8f5f1;--amber:#a56a12;--amber-soft:#fff5e4;--red:#ae3c49;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",sans-serif}*{box-sizing:border-box}html,body{min-height:100%}body{margin:0;min-width:320px;color:var(--ink);background:var(--bg);font-size:14px;line-height:1.55}button,input{font:inherit}button{cursor:pointer}button:disabled{cursor:wait;opacity:.68}a{color:inherit;text-decoration:none}:focus-visible{outline:3px solid rgba(14,117,104,.28);outline-offset:2px}.login-shell{min-height:100vh;display:grid;grid-template-columns:minmax(360px,.82fr) minmax(520px,1.18fr)}.login-context{min-height:100vh;display:flex;flex-direction:column;padding:clamp(30px,5vw,72px);color:#eaf4f1;background:radial-gradient(circle at 17% 12%,rgba(70,185,164,.18),transparent 30%),radial-gradient(circle at 85% 78%,rgba(84,124,132,.22),transparent 34%),linear-gradient(145deg,#122327 0%,#183438 52%,#10262a 100%);overflow:hidden}.brand{display:inline-flex;align-items:center;align-self:flex-start;gap:12px}.brand-mark{width:38px;height:38px;display:grid;place-items:center;border-radius:12px;background:#1b907f;color:#fff;font-size:17px;font-weight:800}.brand strong{display:block;font-size:14px}.brand small{display:block;margin-top:1px;color:#9eb9b5;font-size:9px;letter-spacing:.14em}.context-copy{max-width:560px;margin:auto 0 44px}.eyebrow{color:var(--faint);font:10px ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.15em;text-transform:uppercase}.login-context .eyebrow{color:#8dafaa}.context-copy h1{margin:12px 0 20px;font-size:clamp(38px,5vw,66px);line-height:1.04;letter-spacing:-.055em}.context-copy p{max-width:510px;color:#b7cbc8;font-size:14px}.gate-panel{max-width:560px;padding:18px;border:1px solid rgba(177,213,207,.17);border-radius:14px;background:rgba(255,255,255,.055);backdrop-filter:blur(12px)}.gate-title{display:flex;align-items:center;gap:9px;margin-bottom:14px}.gate-title .lock{width:27px;height:27px;display:grid;place-items:center;border-radius:8px;background:rgba(244,197,108,.14);color:#f2c778}.gate-row{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:9px 0;border-top:1px solid rgba(255,255,255,.08);color:#a9c0bc;font:11px ui-monospace,SFMono-Regular,Menlo,monospace}.gate-row b{color:#f2c778}.context-foot{margin:24px 0 0;color:#789793;font-size:10px;letter-spacing:.06em}.login-stage{min-height:100vh;display:grid;place-items:center;align-content:center;gap:18px;padding:38px clamp(22px,7vw,100px);background:linear-gradient(rgba(255,255,255,.72),rgba(255,255,255,.72)),linear-gradient(90deg,rgba(32,75,72,.035) 1px,transparent 1px),linear-gradient(rgba(32,75,72,.035) 1px,transparent 1px);background-size:auto,28px 28px,28px 28px}.login-card{width:min(520px,100%);padding:clamp(24px,4vw,38px);border:1px solid var(--line);border-radius:18px;background:rgba(255,255,255,.95);box-shadow:0 24px 70px rgba(25,55,57,.12)}.login-head{display:flex;align-items:flex-start;justify-content:space-between;gap:18px}.login-head h2{margin:8px 0 7px;font-size:28px;line-height:1.18;letter-spacing:-.04em}.login-head p{margin:0;color:var(--muted);font-size:12px}.mode-badge{flex:0 0 auto;display:inline-flex;align-items:center;min-height:27px;padding:4px 9px;border:1px solid var(--line);border-radius:999px;background:#f7fafa;color:var(--muted);font-size:10px;font-weight:750}.mode-badge.api{border-color:#b7ddd3;background:var(--teal-soft);color:var(--teal)}.mode-badge.offline{border-color:#ecd29d;background:var(--amber-soft);color:var(--amber)}.session-notice{display:flex;align-items:flex-start;gap:9px;margin:22px 0;padding:11px 12px;border-radius:10px;background:var(--teal-soft);color:#1e675e;font-size:11px}.session-notice>span{width:18px;height:18px;display:grid;place-items:center;flex:0 0 auto;border:1px solid #acd5cb;border-radius:50%;font:10px serif}.session-notice p{margin:0}.login-form{display:grid;gap:16px}.field{display:grid;gap:7px;color:var(--ink);font-size:11px;font-weight:720}.field input{width:100%;min-height:46px;padding:10px 12px;border:1px solid var(--line-strong);border-radius:10px;background:var(--surface);color:var(--ink);font-size:13px;transition:border-color .15s,box-shadow .15s}.field input:hover{border-color:#9fb3b5}.field input:focus{border-color:var(--teal);outline:0;box-shadow:0 0 0 3px rgba(14,117,104,.1)}.field small{color:var(--muted);font-size:10px;font-weight:450}.field code{color:var(--teal-strong);font-size:10px}.password-wrap{position:relative}.password-wrap input{padding-right:62px}.password-wrap button{position:absolute;right:8px;top:50%;min-width:44px;min-height:31px;border:0;border-radius:7px;background:#f2f6f6;color:var(--muted);font-size:10px;font-weight:700;transform:translateY(-50%)}.form-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;color:var(--muted);font-size:10px}.remember-device{display:inline-flex;align-items:center;gap:6px}.remember-device input{accent-color:var(--teal)}.text-button{padding:2px;border:0;background:transparent;color:var(--teal-strong);font-size:11px;font-weight:720}.form-error{min-height:20px;margin:-5px 0 -3px;color:var(--red);font-size:11px}.primary-button,.secondary-button{min-height:44px;display:inline-flex;align-items:center;justify-content:center;gap:9px;border-radius:10px;font-weight:740}.primary-button{width:100%;padding:10px 16px;border:1px solid var(--teal);background:var(--teal);color:#fff}.primary-button:hover{border-color:var(--teal-strong);background:var(--teal-strong)}.secondary-button{padding:9px 13px;border:1px solid var(--line-strong);background:#fff;color:var(--ink);font-size:11px}.connection-settings{margin-top:20px;border-top:1px solid var(--line)}.connection-settings summary{padding:15px 0 3px;color:var(--muted);cursor:pointer;font-size:11px;font-weight:700}.connection-body{display:grid;gap:13px;padding-top:13px}.connection-actions{display:flex;align-items:center;gap:12px}.security-facts{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-top:22px;padding-top:16px;border-top:1px solid var(--line)}.security-facts span{padding:4px 7px;border-radius:6px;background:#f3f7f7;color:var(--muted);font-size:9px}.stage-foot{margin:0;color:var(--faint);font-size:10px}@media(max-width:900px){.login-shell{grid-template-columns:1fr}.login-context{min-height:auto;padding:24px}.context-copy{margin:58px 0 28px}.context-copy h1{font-size:clamp(34px,9vw,52px)}.gate-panel{display:none}.context-foot{margin-top:0}.login-stage{min-height:auto;padding:34px 18px 46px}}@media(max-width:520px){.login-context{padding:19px 18px}.context-copy{margin:43px 0 13px}.context-copy h1{margin-bottom:13px;font-size:34px}.context-copy p{font-size:12px}.context-foot{display:none}.login-stage{padding:20px 12px 38px}.login-card{padding:22px 17px;border-radius:14px}.login-head{display:block}.mode-badge{margin-top:13px}.form-meta{align-items:flex-start}}