:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--ink:#122033;--muted:#5f6f82;--line:#d9e5ee;--primary:#087f8c;--primary-strong:#06636d;--surface:#fffffff0;--success:#047857;--danger:#b42318;--shadow:0 24px 70px #14344624}*{box-sizing:border-box}html,body{min-height:100%;margin:0}body{color:var(--ink);background:radial-gradient(circle at 15% 10%,#44cad533,#0000 32rem),radial-gradient(circle at 90% 90%,#466ce824,#0000 32rem),#f4f8fa;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Noto Sans TC,sans-serif}button,input{font:inherit}.background-grid{pointer-events:none;opacity:.32;background-image:linear-gradient(#0e749014 1px,#0000 1px),linear-gradient(90deg,#0e749014 1px,#0000 1px);background-size:36px 36px;position:fixed;inset:0;-webkit-mask-image:linear-gradient(#000,#0000 85%);mask-image:linear-gradient(#000,#0000 85%)}.shell{z-index:1;place-items:center;min-height:100vh;padding:28px 18px;display:grid;position:relative}.card{background:var(--surface);width:min(100%,460px);box-shadow:var(--shadow);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border:1px solid #b7d3dee6;border-radius:24px;padding:clamp(24px,5vw,42px)}.brand{align-items:center;gap:12px;margin-bottom:30px;display:flex}.brand-mark{color:#fff;letter-spacing:-.04em;background:linear-gradient(135deg,#0e9aa7,#1d4ed8);border-radius:13px;place-items:center;width:42px;height:42px;font-weight:800;display:grid;box-shadow:0 10px 24px #0e9aa73d}.brand-copy strong,.brand-copy span{display:block}.brand-copy strong{font-size:1.05rem}.brand-copy span{color:var(--muted);margin-top:2px;font-size:.78rem}.eyebrow{color:var(--primary);letter-spacing:.14em;text-transform:uppercase;margin:0 0 8px;font-size:.78rem;font-weight:800}h1{letter-spacing:-.04em;margin:0;font-size:clamp(1.75rem,6vw,2.25rem)}.lede{color:var(--muted);margin:12px 0 26px;line-height:1.65}.form{gap:18px;display:grid}.field{gap:8px;display:grid}.field span{font-size:.86rem;font-weight:700}.field input{width:100%;min-height:48px;color:var(--ink);background:#fff;border:1px solid #cbdbe4;border-radius:12px;outline:none;padding:11px 13px}.field input:focus{border-color:var(--primary);box-shadow:0 0 0 4px #087f8c21}.password-control{display:block;position:relative}.password-control input{padding-right:72px}.password-toggle{min-width:52px;min-height:34px;color:var(--primary-strong);font:inherit;cursor:pointer;background:#e6f3f5;border:0;border-radius:9px;font-size:.8rem;font-weight:800;position:absolute;top:50%;right:8px;transform:translateY(-50%)}.password-toggle:hover{background:#d2eaee}.password-toggle:focus-visible{outline-offset:2px;outline:3px solid #087f8c38}.password-toggle:disabled{cursor:not-allowed;opacity:.55}.login-message{margin-bottom:0;font-weight:750}.button,.button-secondary,.button-danger{cursor:pointer;border:0;border-radius:12px;justify-content:center;align-items:center;min-height:48px;padding:11px 18px;font-weight:800;text-decoration:none;display:inline-flex}.button{color:#fff;background:linear-gradient(135deg, var(--primary), #1267a5);box-shadow:0 10px 24px #087f8c33}.button:hover{background:linear-gradient(135deg, var(--primary-strong), #174ea6)}.button-secondary{color:var(--ink);background:#edf5f7}.button-danger{color:#fff;background:var(--danger)}.button-row{grid-template-columns:1fr 1fr;gap:12px;display:grid}.notice,.error{border-radius:12px;margin:0 0 18px;padding:12px 14px;font-size:.88rem;line-height:1.5}.notice{color:#075985;background:#e0f2fe;border:1px solid #bae6fd}.error{color:#7f1d1d;background:#fef2f2;border:1px solid #fecaca}.identity{border:1px solid var(--line);background:#f3f8fa;border-radius:14px;margin:18px 0;padding:14px}.identity strong,.identity span{display:block}.identity span{color:var(--muted);margin-top:5px;font-size:.86rem}.scope-list{gap:9px;margin:18px 0 24px;padding:0;list-style:none;display:grid}.scope-list li{color:var(--muted);align-items:center;gap:9px;display:flex}.scope-list li:before{content:"✓";color:var(--success);font-weight:900}.footer-note{border-top:1px solid var(--line);color:var(--muted);margin:24px 0 0;padding-top:18px;font-size:.78rem;line-height:1.55}@media (max-width:520px){.card{border-radius:18px}.button-row{grid-template-columns:1fr}}