*,:after,:before{box-sizing:border-box}body{margin:0;font-family:Inter,system-ui,sans-serif;background:#fff;min-height:100vh;color:var(--ink);-webkit-font-smoothing:antialiased}.auth-split{min-height:100vh;display:flex}.auth-brand{flex:1 1 50%;background:var(--blue);color:#fff;display:flex;flex-direction:column;justify-content:center;padding:3rem clamp(2rem,6vw,5rem)}.auth-brand .mark{font-size:2rem;font-weight:600;color:#fff;text-decoration:none;letter-spacing:-.01em}.auth-brand .mark:hover{color:#fff}.auth-brand .tag{margin:.6rem 0 0;font-size:15px;color:rgba(255,255,255,.72)}.auth-wrap{flex:1 1 50%;background:#fff;display:flex;align-items:center;justify-content:center;padding:2rem 1rem}.auth-card{background:#fff;border:1px solid var(--line-br);border-radius:16px;padding:2.5rem;width:100%;max-width:420px}@media (max-width:760px){.auth-split{flex-direction:column}.auth-brand{flex:0 0 auto;padding:1.5rem 16px}.auth-brand .mark{font-size:1.4rem}.auth-brand .tag{font-size:13px;margin-top:.3rem}.auth-wrap{flex:1 0 auto;align-items:flex-start;padding:2rem 16px}.auth-card{padding:1.75rem 1.25rem}}h2{font-size:1.25rem;font-weight:600;color:var(--ink)}p{line-height:1.5}a{color:var(--ink);transition:color .15s;text-decoration:none}a:hover{color:var(--blue)}.auth-form{display:flex;flex-direction:column;gap:.75rem}.auth-form input{width:100%;padding:10px 14px;border:1px solid var(--line-br);border-radius:9px;font-size:14px;font-family:inherit;outline:none;transition:border-color .15s,box-shadow .15s;background:#fff;color:var(--ink)}.auth-form input:focus{border-color:var(--blue);box-shadow:var(--focus-shadow)}.auth-form input::placeholder{color:var(--ink-soft)}.auth-btn{width:100%;min-height:40px;padding:10px 16px;background:var(--blue);color:#fff;border:none;border-radius:8px;font-size:14px;font-weight:500;cursor:pointer;font-family:inherit;transition:background .15s}.auth-btn:hover{background:var(--blue-deep)}.auth-btn:focus-visible{outline:2px solid var(--blue);outline-offset:2px}.auth-link{font-size:13px;color:var(--ink-dim);text-align:center;margin-top:.5rem}.auth-link a{color:var(--blue);font-weight:500}.auth-link a:hover{color:var(--blue-deep)}.auth-sub{font-size:13px;color:var(--ink-dim);line-height:1.55;margin:0 0 1.1rem}.auth-err{display:flex;gap:8px;align-items:flex-start;background:var(--tint-danger-bg);border:1px solid var(--tint-danger-bg);border-radius:9px;padding:9px 11px;font-size:12.5px;color:var(--tint-danger-text);line-height:1.5;margin-bottom:1rem}.auth-note{border-left:2px solid var(--blue);background:var(--blue-light);border-radius:0 6px 6px 0;padding:9px 12px;font-size:12px;color:var(--ink-dim);line-height:1.55;margin-top:1.1rem}.auth-note b{color:var(--ink);font-weight:500}.auth-note.warn{border-left-color:var(--tint-warning-text);background:var(--tint-warning-bg)}.auth-note.danger{border-left-color:var(--tint-danger-text);background:var(--tint-danger-bg)}.auth-title{display:flex;align-items:center;justify-content:center;gap:6px}.auth-info{position:relative;display:inline-flex;cursor:help;color:var(--ink-soft);outline:none}.auth-info svg{width:16px;height:16px}.auth-info:focus-within,.auth-info:hover{color:var(--blue)}.auth-info:focus-visible{outline:2px solid var(--blue);outline-offset:2px;border-radius:50%}.auth-info-bubble{position:absolute;top:calc(100% + 8px);left:50%;z-index:10;width:max-content;max-width:min(260px,80vw);padding:9px 12px;background:#fff;color:var(--ink-dim);border:1px solid var(--line-br);border-radius:10px;box-shadow:var(--shadow-lift);font-size:12px;font-weight:400;line-height:1.5;text-align:left;opacity:0;visibility:hidden;transform:translate(-50%,-2px);pointer-events:none;transition:opacity .12s ease,transform .12s ease,visibility .12s}.auth-info:focus-within .auth-info-bubble,.auth-info:hover .auth-info-bubble{opacity:1;visibility:visible;transform:translate(-50%)}.code-row{display:flex;gap:7px;justify-content:center;margin:.4rem 0 1.1rem}.code-row input{width:44px;height:52px;text-align:center;font-family:ui-monospace,monospace;font-size:19px;font-weight:500;color:var(--blue-navy);border:1px solid var(--line-br);border-radius:9px;background:#fff;transition:border-color .15s,box-shadow .15s;outline:none;padding:0}.code-row input:focus{border-color:var(--blue);box-shadow:var(--focus-shadow)}.code-row input.filled{background:var(--blue-light);border-color:var(--blue-soft)}.auth-cb{display:flex;gap:9px;align-items:flex-start;cursor:pointer;user-select:none;margin-bottom:1.1rem}.auth-cb input{width:auto;margin-top:2px;accent-color:var(--blue);flex-shrink:0}.auth-cb .cb-body{flex:1;min-width:0}.auth-cb .t{font-size:13px;color:var(--ink);line-height:1.45}.auth-cb .d{display:block;font-size:11.5px;color:var(--ink-soft);margin-top:2px;line-height:1.45}.qr-box{width:148px;height:148px;margin:0 auto .9rem;display:block;background:#fff;border:1px solid var(--line-br);border-radius:9px;padding:8px}.qr-box img,.qr-box svg{width:100%;height:100%;display:block}.secret-box{font-family:ui-monospace,monospace;font-size:12.5px;letter-spacing:.09em;color:var(--blue-navy);background:var(--blue-light);border:1px dashed var(--blue-soft);border-radius:6px;padding:7px;text-align:center;margin-bottom:1.1rem;word-break:break-all}.steps{display:flex;gap:6px;margin-bottom:1.3rem}.steps i{flex:1;height:3px;border-radius:2px;background:var(--line-br)}.steps i.done{background:var(--blue-soft)}.steps i.now{background:var(--blue)}.meter{display:flex;gap:4px;margin:7px 0 5px}.meter i{flex:1;height:3px;border-radius:2px;background:var(--line-br);transition:background .2s}.meter i.on{background:var(--green,#16A34A)}.pw-rules{list-style:none;font-size:12px;color:var(--ink-soft);line-height:1.8;margin:0 0 .4rem;padding:0}.pw-rules li{display:flex;gap:6px;align-items:center}.pw-rules li.ok{color:var(--tint-success-text)}.pw-rules .dot{width:12px;text-align:center;font-size:9px}