:root{color-scheme:light;--auth-bg: #ffffff;--auth-surface: #ffffff;--auth-surface-muted: #fafafa;--auth-border: #e4e4e7;--auth-border-strong: #d4d4d8;--auth-text: #09090b;--auth-text-muted: #52525b;--auth-text-subtle: #a1a1aa;--auth-primary: #111827;--auth-primary-hover: #1f2937;--auth-focus-ring: rgba(17, 24, 39, .08);--auth-success-bg: #f0fdf4;--auth-success-border: #bbf7d0;--auth-success-text: #15803d;--auth-error-text: #dc2626}*,*:before,*:after{box-sizing:border-box}html{min-height:100%}body{margin:0;min-height:100vh;background:var(--auth-bg);color:var(--auth-text);font-family:Mona Sans,Helvetica Neue,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}a{color:inherit;text-decoration:none}button,input,textarea,select{font:inherit}.auth-shell{display:flex;min-height:100vh;flex-direction:column;background:var(--auth-bg)}.auth-topbar{display:flex;height:73px;align-items:center;justify-content:space-between;gap:16px;border-bottom:1px solid #f3f4f6;padding:0 24px}.auth-topbar-logo img{display:block;height:24px;width:auto}.auth-topbar-link{display:inline-flex;align-items:center;gap:6px;border-radius:999px;color:#374151;padding:8px 14px 8px 10px;font-size:.875rem;font-weight:600;transition:background-color .18s ease}.auth-topbar-link:hover{background:#f3f4f6}.auth-topbar-link svg{height:16px;width:16px}.auth-main{display:flex;flex:1;justify-content:center;padding:72px 24px 48px}.auth-card{width:100%;max-width:400px}.auth-footer{padding:24px;text-align:center;color:var(--auth-text-subtle);font-size:.8rem}.auth-content{width:100%}.auth-header{margin-bottom:28px;text-align:center}.auth-step{margin:0;color:var(--auth-text-muted);font-size:.75rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase}.auth-title{margin:0;color:var(--auth-text);font-size:1.875rem;font-weight:700;letter-spacing:-.025em;line-height:1.15}.auth-step+.auth-title{margin-top:8px}.auth-description{margin:10px 0 0;color:var(--auth-text-muted);font-size:.95rem;line-height:1.6}.auth-social-list{display:grid;gap:10px}.auth-social-button{display:flex;width:100%;height:48px;align-items:center;justify-content:center;gap:10px;border-radius:8px;border:1px solid var(--auth-border);background:var(--auth-surface);color:var(--auth-text);padding:0 18px;font-size:.95rem;font-weight:600;transition:background-color .18s ease,border-color .18s ease}.auth-social-button:hover{border-color:var(--auth-border-strong);background:var(--auth-surface-muted)}.auth-social-button svg{height:18px;width:18px;flex-shrink:0}.auth-social-button--dark{border-color:var(--auth-primary);background:var(--auth-primary);color:#fff}.auth-social-button--dark:hover{border-color:var(--auth-primary-hover);background:var(--auth-primary-hover)}.auth-divider{position:relative;margin:24px 0;text-align:center}.auth-divider:before{content:"";position:absolute;inset:50% 0 auto;border-top:1px solid var(--auth-border)}.auth-divider span{position:relative;display:inline-block;background:var(--auth-bg);padding:0 12px;color:var(--auth-text-subtle);font-size:.8rem;font-weight:500}.auth-status{margin-bottom:20px;border-radius:8px;padding:12px 14px;font-size:.9rem;line-height:1.5}.auth-status--success{border:1px solid var(--auth-success-border);background:var(--auth-success-bg);color:var(--auth-success-text)}.auth-status--error{border:1px solid #fecaca;background:#fef2f2;color:#b91c1c}.auth-form{display:grid;gap:16px}.auth-form--spacious{gap:18px}.auth-field-grid{display:grid;gap:12px;grid-template-columns:repeat(2,minmax(0,1fr))}.auth-field{display:grid;gap:6px}.auth-label{color:#3f3f46;font-size:.875rem;font-weight:600}.auth-input{width:100%;height:48px;border:1px solid var(--auth-border);border-radius:8px;background:var(--auth-surface);color:var(--auth-text);padding:0 14px;font-size:1rem;transition:border-color .18s ease,box-shadow .18s ease}.auth-input::-moz-placeholder{color:var(--auth-text-subtle)}.auth-input::placeholder{color:var(--auth-text-subtle)}.auth-input:focus{outline:none;border-color:var(--auth-primary);box-shadow:0 0 0 4px var(--auth-focus-ring)}.auth-input-group{position:relative}.auth-input--with-action{padding-right:72px}.auth-input-action{position:absolute;top:50%;right:6px;transform:translateY(-50%);border:0;border-radius:6px;background:transparent;color:var(--auth-text-muted);padding:8px 10px;font-size:.8rem;font-weight:600;cursor:pointer;transition:background-color .18s ease,color .18s ease}.auth-input-action:hover{background:#f4f4f5;color:var(--auth-text)}.auth-input-action:focus-visible{outline:2px solid var(--auth-primary);outline-offset:0}.auth-label-row{display:flex;align-items:baseline;justify-content:space-between;gap:12px}.auth-link.auth-link--subtle{color:var(--auth-text-muted);font-size:.85rem;font-weight:500;text-decoration:none}.auth-link.auth-link--subtle:hover{color:var(--auth-text);text-decoration:underline}.auth-account{display:flex;align-items:center;gap:12px;margin-bottom:24px;border:1px solid var(--auth-border);border-radius:999px;padding:6px}.auth-account-avatar{display:flex;height:36px;width:36px;flex-shrink:0;align-items:center;justify-content:center;border-radius:999px;background:var(--auth-primary);color:#fff;font-size:.9rem;font-weight:700}.auth-account-text{min-width:0;flex:1}.auth-account-name,.auth-account-detail{margin:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.auth-account-name{color:var(--auth-text);font-size:.925rem;font-weight:600}.auth-account-detail{color:var(--auth-text-muted);font-size:.8rem}.auth-account-change{flex-shrink:0;border-radius:999px;color:var(--auth-text);padding:8px 14px;font-size:.85rem;font-weight:600;transition:background-color .18s ease}.auth-account-change:hover{background:#f4f4f5}.auth-account-change:focus-visible{outline:2px solid var(--auth-primary);outline-offset:2px}.auth-visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}.auth-checkbox-label{display:inline-flex;cursor:pointer;align-items:center;gap:8px;color:var(--auth-text-muted);font-size:.9rem}.auth-checkbox{margin:0;height:16px;width:16px;accent-color:var(--auth-primary)}.auth-button{display:inline-flex;width:100%;height:48px;align-items:center;justify-content:center;border:0;border-radius:8px;background:var(--auth-primary);color:#fff;padding:0 20px;font-size:.95rem;font-weight:600;transition:background-color .18s ease,opacity .18s ease;cursor:pointer}.auth-button:hover:not(:disabled){background:var(--auth-primary-hover)}.auth-button:focus-visible,.auth-social-button:focus-visible,.auth-topbar-link:focus-visible{outline:2px solid var(--auth-primary);outline-offset:2px}.auth-button:disabled{cursor:not-allowed;opacity:.6}.auth-button--secondary{border:1px solid var(--auth-border);background:var(--auth-surface);color:var(--auth-text)}.auth-button--secondary:hover:not(:disabled){border-color:var(--auth-border-strong);background:var(--auth-surface-muted)}.auth-link-row{margin:28px 0 0;text-align:center;color:var(--auth-text-muted);font-size:.9rem}.auth-link{color:var(--auth-text);font-weight:600;text-decoration:underline;text-decoration-color:var(--auth-border-strong);text-underline-offset:3px;transition:text-decoration-color .18s ease}.auth-link:hover{text-decoration-color:currentColor}.auth-error{margin:0;color:var(--auth-error-text);font-size:.84rem;font-weight:500}.auth-captcha{display:flex;justify-content:center;padding:4px 0}.auth-icon-panel{margin:0 auto 20px;display:flex;height:56px;width:56px;align-items:center;justify-content:center;border-radius:999px;background:#f4f4f5;color:var(--auth-text)}.auth-icon-panel svg{height:26px;width:26px}@media (max-width: 640px){.auth-topbar{height:64px;padding:0 16px}.auth-main{padding:40px 16px 32px}.auth-title{font-size:1.625rem}.auth-field-grid{grid-template-columns:1fr}}