:root{--surface-page: #f5f5f5;--surface-card: #ffffff;--surface-elevated: #ffffff;--surface-sunken: #f0f0f0;--text-primary: #1e293b;--text-secondary: #64748b;--text-placeholder: #94a3b8;--text-inverted: #ffffff;--text-link: #1a73e8;--interactive-primary: #1a73e8;--interactive-primary-hover: #1557b0;--interactive-primary-active: #0d47a1;--interactive-secondary: #f0f0f0;--interactive-secondary-hover: #e2e8f0;--status-success: #1e8e3e;--status-success-bg: #e6f4ea;--status-error: #d93025;--status-error-bg: #fce8e6;--status-warning: #f9ab00;--status-warning-bg: #fef7e0;--status-info: #1a73e8;--status-info-bg: #e8f0fe;--border-default: #e2e8f0;--border-strong: #cbd5e1;--border-focus: var(--interactive-primary);--shadow-card: 0 1px 3px rgba(0, 0, 0, .08), 0 1px 2px rgba(0, 0, 0, .06);--shadow-elevated: 0 4px 12px rgba(0, 0, 0, .1);--shadow-focus: 0 0 0 2px rgba(26, 115, 232, .2);--radius-sm: 4px;--radius-md: 8px;--radius-lg: 12px;--radius-pill: 9999px;--radius-input: 6px;--font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;--font-mono: "SF Mono", "Fira Code", "Cascadia Code", monospace;--max-width-auth: 420px;--max-width-settings: 720px;--primary-color: var(--interactive-primary);--max-width: var(--max-width-auth)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-family);background:var(--surface-page);color:var(--text-primary);min-height:100vh}.auth-container{max-width:var(--max-width);margin:60px auto;padding:32px;background:var(--surface-card);border-radius:var(--radius-lg);box-shadow:var(--shadow-card)}.auth-container h1{font-size:1.5rem;font-weight:600;line-height:1.3;margin-bottom:24px;text-align:center}.form-group{margin-bottom:16px}.form-group label{display:block;margin-bottom:6px;font-weight:500;font-size:.875rem}.form-group input{width:100%;height:44px;padding:10px 12px;border:1px solid var(--border-default);border-radius:var(--radius-input);font-size:1rem;transition:border-color .2s}.form-group input:focus-visible{outline:none;border-color:var(--border-focus);box-shadow:var(--shadow-focus)}.btn{display:inline-flex;align-items:center;justify-content:center;width:100%;height:44px;padding:12px 16px;border:none;border-radius:var(--radius-input);font-size:1rem;font-weight:500;cursor:pointer;transition:opacity .2s}.btn:disabled{opacity:.6;cursor:not-allowed}.btn:focus-visible{outline:none;box-shadow:var(--shadow-focus)}.btn-primary{background:var(--interactive-primary);color:var(--text-inverted)}.btn-primary:hover:not(:disabled){opacity:.9}.btn-secondary{background:var(--interactive-secondary);color:var(--text-primary);border:1px solid var(--border-default)}.btn-secondary:hover:not(:disabled){background:var(--interactive-secondary-hover)}.auth-container .btn+.btn{margin-top:8px}.error-message{border-left:4px solid var(--status-error);background:var(--status-error-bg);color:var(--status-error);padding:12px 16px;border-radius:var(--radius-md);font-size:.875rem;margin-bottom:12px}.info-text{color:var(--text-secondary);font-size:.875rem;text-align:center;margin-top:12px}.link-btn{background:none;border:none;color:var(--text-link);cursor:pointer;font-size:.875rem;text-decoration:underline}.link-btn:focus-visible{outline:none;box-shadow:var(--shadow-focus);border-radius:var(--radius-sm)}.mfa-options{display:flex;flex-direction:column;gap:8px}.brand-header{text-align:center;margin-bottom:24px}.brand-header img{max-height:48px;margin-bottom:8px}.brand-header .brand-name{font-size:1.125rem;color:var(--text-secondary)}.terms-content{max-height:300px;overflow-y:auto;border:1px solid var(--border-default);border-radius:var(--radius-input);padding:16px;margin-bottom:16px;font-size:.875rem;line-height:1.5}.loading{text-align:center;padding:40px;color:var(--text-secondary)}.settings-container{max-width:var(--max-width-settings);margin:40px auto;padding:0 16px;display:flex;gap:32px}.settings-nav{display:flex;flex-direction:column;gap:4px;min-width:180px;padding-top:8px}.settings-nav-item{display:block;width:100%;text-align:left;padding:10px 14px;border:none;background:none;border-radius:var(--radius-input);font-size:.9375rem;cursor:pointer;color:var(--text-primary);transition:background .15s}.settings-nav-item:hover{background:var(--interactive-secondary)}.settings-nav-item:focus-visible{outline:none;box-shadow:var(--shadow-focus)}.settings-nav-item.active{background:var(--interactive-primary);color:var(--text-inverted);font-weight:500}.settings-nav-item.signout{margin-top:auto;color:var(--status-error)}.settings-nav-item.signout:hover{background:var(--status-error-bg)}.settings-content{flex:1;background:var(--surface-card);border-radius:var(--radius-lg);box-shadow:var(--shadow-card);padding:32px}.settings-content h2{font-size:1.25rem;font-weight:600;line-height:1.3;margin-bottom:20px}.settings-content .btn{width:auto;height:36px;padding:8px 16px;font-size:.875rem}.btn-sm{height:28px;padding:4px 10px;font-size:.8125rem}.btn-danger{background:var(--status-error);color:var(--text-inverted)}.btn-danger:hover:not(:disabled){opacity:.9}.email-list{margin-bottom:20px}.email-item{display:flex;justify-content:space-between;align-items:center;padding:12px 0;border-bottom:1px solid var(--border-default)}.email-item:last-child{border-bottom:none}.email-info{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.email-actions{display:flex;align-items:center;gap:8px}.add-email-form{display:flex;gap:8px;align-items:flex-start}.add-email-form .form-group{flex:1;margin-bottom:0}.add-email-form .btn{width:auto;white-space:nowrap}.passkey-list{margin-bottom:20px}.passkey-item{display:flex;justify-content:space-between;align-items:center;padding:12px 0;border-bottom:1px solid var(--border-default)}.passkey-item:last-child{border-bottom:none}.passkey-info{display:flex;flex-direction:column;gap:2px}.passkey-name{font-weight:500}.passkey-meta{font-size:.8125rem;color:var(--text-secondary)}.passkey-actions{display:flex;align-items:center;gap:8px}.badge{display:inline-block;font-size:.75rem;font-weight:500;padding:2px 8px;border-radius:var(--radius-pill)}.badge-primary{background:var(--status-info-bg);color:var(--status-info)}.badge-verified{background:var(--status-success-bg);color:var(--status-success)}.badge-unverified{background:var(--status-error-bg);color:var(--status-error)}.badge-enabled{background:var(--status-success-bg);color:var(--status-success)}.badge-disabled{background:var(--surface-sunken);color:var(--text-secondary)}.confirm-dialog{display:flex;align-items:center;gap:8px;font-size:.875rem;color:var(--status-error)}.totp-secret{background:var(--surface-sunken);padding:12px;border-radius:var(--radius-input);margin:12px 0;word-break:break-all}.totp-secret code{font-size:.9375rem;font-weight:500}.success-message{border-left:4px solid var(--status-success);background:var(--status-success-bg);color:var(--status-success);padding:12px 16px;border-radius:var(--radius-md);font-size:.875rem;margin-bottom:12px}.form-group select{width:100%;height:44px;padding:10px 12px;border:1px solid var(--border-default);border-radius:var(--radius-input);font-size:1rem;background:var(--surface-card);transition:border-color .2s}.form-group select:focus-visible{outline:none;border-color:var(--border-focus);box-shadow:var(--shadow-focus)}.field-error{color:var(--status-error);font-size:.875rem;margin-top:4px;display:block}@media(max-width:600px){.auth-container{margin:0;border-radius:0;box-shadow:none;padding:24px;max-width:none}.settings-container{flex-direction:column;gap:16px}.settings-nav{flex-direction:row;overflow-x:auto;min-width:0}.settings-nav-item{white-space:nowrap}}