.auth-layout{display:flex;min-height:100vh;background-color:var(--bg-page)}.auth-brand-panel{flex:0 0 45%;background:linear-gradient(135deg,#0f172a,#1e1b4b);display:flex;flex-direction:column;justify-content:space-between;padding:64px;color:#fff;position:relative;overflow:hidden}.auth-brand-panel:after{content:"";position:absolute;bottom:-10%;right:-10%;width:60%;height:60%;border-radius:50%;background:radial-gradient(circle,#6366f126,#fff0 70%);z-index:1}.brand-logo{font-size:1.5rem;font-weight:800;letter-spacing:-.05em;color:#fff;z-index:2}.brand-copy{z-index:2;margin-bottom:32px}.brand-copy h1{font-size:3rem;font-weight:800;line-height:1.2;margin-bottom:24px;color:#fff}.brand-copy p{font-size:1.125rem;color:#94a3b8;line-height:1.6;max-width:80%;font-weight:400}.brand-footer{z-index:2;font-size:.875rem;color:#fff6}.auth-form-panel{flex:1;display:flex;align-items:center;justify-content:center;padding:48px 24px;overflow-y:auto;background-color:#fff}.auth-form-container{width:100%;max-width:440px}.auth-form-container.wide{max-width:540px}.auth-header{margin-bottom:40px}.auth-header h2{font-size:2rem;font-weight:800;color:var(--text-heading);margin-bottom:12px}.auth-header p{font-size:1rem;color:var(--text-muted)}.social-login-group{display:flex;gap:16px;margin-bottom:32px}.btn-social{flex:1;display:flex;align-items:center;justify-content:center;height:48px;border-radius:12px;font-weight:600;font-size:15px;transition:transform .1s ease,opacity .2s;border:none;cursor:pointer}.btn-social:active{transform:scale(.96)}.btn-kakao{background-color:#fee500;color:#371d1e}.btn-kakao:hover{opacity:.9}.btn-naver{background-color:#03c75a;color:#fff}.btn-naver:hover{opacity:.9}.social-divider{display:flex;align-items:center;text-align:center;color:var(--text-disabled);font-size:12px;margin-bottom:32px;text-transform:uppercase;letter-spacing:.05em;font-weight:600}.social-divider:before,.social-divider:after{content:"";flex:1;border-bottom:1px solid var(--border-color)}.social-divider span{padding:0 16px}.form-group{margin-bottom:24px;position:relative}.error-text{display:none;color:var(--error);font-size:12px;margin-top:6px;font-weight:500}.form-control.is-invalid{border-color:var(--error);background-color:#fef2f2}.form-control.is-invalid:focus{box-shadow:0 0 0 3px #ef444426}.role-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:24px}.role-card{border:1px solid var(--border-color);border-radius:16px;padding:20px 16px;text-align:center;cursor:pointer;background-color:#fff;transition:all .2s cubic-bezier(.4,0,.2,1)}.role-card:hover{border-color:#cbd5e1;box-shadow:var(--shadow-sm)}.role-card.selected{border-color:var(--primary);border-width:2px;padding:19px 15px;background-color:var(--primary-light);box-shadow:0 4px 12px #6366f11a}.role-title{font-weight:700;font-size:15px;color:var(--text-heading);margin-bottom:4px}.role-card.selected .role-title{color:var(--primary)}.role-desc{font-size:12px;color:var(--text-muted);line-height:1.4}.auth-footer{margin-top:32px;text-align:center;font-size:14px;color:var(--text-muted)}.auth-footer a{color:var(--primary);font-weight:600;margin-left:4px;transition:color .2s}.auth-footer a:hover{color:var(--primary-hover);text-decoration:underline}@media (max-width: 900px){.auth-brand-panel{display:none}.role-grid{grid-template-columns:1fr}}