.auth-shell{background:var(--seo-bg);grid-template-columns:1fr 1fr;min-height:100vh;display:grid}@media (width<=980px){.auth-shell{grid-template-columns:1fr}}.auth-aside{background:linear-gradient(165deg, var(--seo-navy-900) 0%, var(--seo-navy-800) 60%, var(--seo-teal-700) 100%);color:#fff;flex-direction:column;justify-content:space-between;padding:56px 56px 48px;display:flex;position:relative;overflow:hidden}.auth-aside:before{content:"";background:radial-gradient(circle at 80% 20%, color-mix(in srgb, var(--seo-teal-400) 18%, transparent), transparent 55%), radial-gradient(circle at 20% 90%, color-mix(in srgb, var(--seo-dawn-500) 14%, transparent), transparent 50%);pointer-events:none;position:absolute;inset:0}.auth-aside>*{z-index:1;position:relative}.auth-aside .logo{font-family:var(--font-display);letter-spacing:-.012em;color:#fff;align-items:center;gap:10px;font-size:22px;font-weight:700;text-decoration:none;display:inline-flex}.auth-aside .logo .mark{border-radius:var(--md-sys-shape-small);background:var(--seo-navy-800) url(/brand-mark.png) center/cover no-repeat;width:32px;height:32px;color:#0000;border:0;justify-content:center;align-items:center;font-size:0;display:inline-flex}.auth-aside .logo span:last-child b{color:var(--seo-teal-400)}.auth-aside-headline{font-family:var(--font-sans);letter-spacing:-.018em;color:#fff;margin:36px 0 18px;font-size:32px;font-weight:700;line-height:1.25}.auth-aside-sub{color:#ffffffb8;max-width:420px;font-size:15px;line-height:1.7}.auth-trust{flex-direction:column;gap:12px;margin:32px 0 0;padding:0;list-style:none;display:flex}.auth-trust li{color:#ffffffc7;align-items:flex-start;gap:10px;font-size:13px;line-height:1.6;display:flex}.auth-trust svg{color:var(--seo-teal-400);flex-shrink:0;margin-top:2px}.auth-aside-footer{color:#ffffff73;margin-top:40px;font-size:12px;line-height:1.7}.auth-aside-footer a{color:#ffffffb8;text-decoration:none}.auth-aside-footer a:hover{color:#fff}@media (width<=980px){.auth-aside{min-height:auto;padding:32px 24px 28px}.auth-aside-headline{margin:20px 0 12px;font-size:24px}.auth-trust,.auth-aside-footer{display:none}}.auth-main{background:var(--seo-bg);justify-content:center;align-items:center;padding:48px 24px;display:flex}.auth-card{background:var(--seo-card);border:1px solid var(--seo-line);border-radius:var(--md-sys-shape-large);width:100%;max-width:440px;box-shadow:var(--md-sys-elevation-4);padding:40px 36px}@media (width<=480px){.auth-card{border-radius:var(--md-sys-shape-medium);padding:28px 22px}}.auth-card-eyebrow{font-family:var(--font-mono);letter-spacing:.08em;text-transform:uppercase;color:var(--seo-teal-700);align-items:center;gap:6px;font-size:11px;font-weight:600;display:inline-flex}.auth-card h1{font-family:var(--font-sans);letter-spacing:-.018em;color:var(--seo-navy-900);margin:12px 0 8px;font-size:28px;font-weight:700;line-height:1.25}.auth-card-sub{color:var(--seo-mute);margin:0 0 28px;font-size:14px;line-height:1.6}.auth-form{flex-direction:column;gap:16px;display:flex}.auth-form--inline{margin:-8px 0 20px}.auth-field{flex-direction:column;gap:6px;display:flex}.auth-field-label{color:var(--seo-ink-2);letter-spacing:-.005em;font-size:13px;font-weight:600;display:block}.auth-field-header{justify-content:space-between;align-items:center;gap:12px;display:flex}.auth-field-header a,.auth-field-label a{color:var(--seo-teal-700);font-size:12px;font-weight:500;text-decoration:none}.auth-field-header a:hover,.auth-field-label a:hover{text-decoration:underline}.auth-input{width:100%;height:48px;font-family:var(--font-sans);color:var(--seo-ink);border:1px solid var(--seo-line);border-radius:var(--md-sys-shape-medium);-webkit-appearance:none;background:#fff;outline:none;padding:0 14px;font-size:15px;transition:border-color .12s,box-shadow .12s}.auth-input::placeholder{color:var(--seo-mute);opacity:.7}.auth-input:hover{border-color:color-mix(in srgb, var(--seo-navy-800) 20%, transparent)}.auth-input:focus{border-color:var(--seo-teal-600);box-shadow:0 0 0 3px color-mix(in srgb, var(--seo-teal-600) 12%, transparent)}.auth-field-hint{color:var(--seo-mute);margin-top:2px;font-size:12px}.auth-form .btn{width:100%}.auth-form .btn--lg{height:52px}.auth-divider{color:var(--seo-mute);text-transform:uppercase;letter-spacing:.08em;align-items:center;gap:14px;margin:24px 0;font-size:12px;font-weight:500;display:flex}.auth-divider:before,.auth-divider:after{content:"";background:var(--seo-line);flex:1;height:1px}.btn--google{width:100%;height:48px;color:var(--seo-ink);border:1px solid var(--seo-line);background:#fff;font-size:14px;font-weight:500}.btn--google:hover{background:var(--seo-sand-50);border-color:color-mix(in srgb, var(--seo-navy-800) 18%, transparent)}.btn--google svg{flex-shrink:0}.btn--kakao{background:var(--brand-kakao);color:#000000d9;border:1px solid #0000000f;width:100%;height:48px;margin-bottom:10px;font-size:14px;font-weight:600}.btn--kakao:hover{background:var(--brand-kakao-hover);color:#000000d9}.btn--kakao svg{flex-shrink:0}.auth-links{color:var(--seo-mute);flex-wrap:wrap;justify-content:center;align-items:center;gap:6px 12px;margin-top:24px;font-size:13px;display:flex}.auth-links a{color:var(--seo-ink-2);font-weight:500;text-decoration:none}.auth-links a:hover{color:var(--seo-teal-700)}.auth-links span{color:var(--seo-line)}.auth-alert{border-radius:var(--md-sys-shape-medium);align-items:flex-start;gap:10px;margin-bottom:20px;padding:12px 14px;font-size:13px;line-height:1.5;display:flex}.auth-alert svg{flex-shrink:0;margin-top:2px}.auth-alert--error{background:var(--seo-danger-bg);color:var(--seo-danger-800);border:1px solid color-mix(in srgb, var(--seo-danger) 18%, transparent)}.auth-alert--success{background:var(--seo-teal-50);color:var(--seo-teal-700);border:1px solid color-mix(in srgb, var(--seo-teal-600) 20%, transparent)}.auth-alert--info{background:var(--seo-sand-50);color:var(--seo-warn-800);border:1px solid color-mix(in srgb, var(--seo-warn-500) 18%, transparent)}.auth-alert strong{margin-bottom:4px;font-weight:700;display:block}.auth-alert p{color:inherit;margin:0;font-size:13px;line-height:1.5}.auth-alert ul{margin:6px 0 0;padding-left:18px}.auth-alert li{margin-top:2px}.auth-alert a{color:inherit;font-weight:600;text-decoration:underline}.auth-route-grid{grid-template-columns:1fr 1fr;gap:14px;margin-top:8px;display:grid}@media (width<=640px){.auth-route-grid{grid-template-columns:1fr}}.auth-route-card{border:1px solid var(--seo-line);border-radius:var(--md-sys-shape-medium);color:inherit;background:#fff;flex-direction:column;gap:8px;padding:22px 20px;text-decoration:none;transition:border-color .14s,transform .14s,box-shadow .14s;display:flex}.auth-route-card:hover{border-color:var(--seo-teal-500);box-shadow:var(--md-sys-elevation-4);transform:translateY(-2px)}.auth-route-card h3{letter-spacing:-.012em;color:var(--seo-navy-900);margin:0;font-size:17px;font-weight:700}.auth-route-card p{color:var(--seo-ink-2);flex:1;margin:0;font-size:13px;line-height:1.6}.auth-route-cta-text{color:var(--seo-teal-700);margin-top:4px;font-size:13px;font-weight:600}.auth-route-card--featured{background:linear-gradient(180deg, var(--seo-teal-50) 0%, #fff 100%);border-color:color-mix(in srgb, var(--seo-teal-600) 22%, transparent)}.auth-route-card--featured h3{color:var(--seo-teal-700)}.auth-route-card--vendor{background:linear-gradient(180deg, var(--seo-sand-100) 0%, #fff 100%);border-color:color-mix(in srgb, var(--seo-warn) 22%, transparent);grid-column:1/-1}.auth-route-card--vendor h3{color:var(--seo-warn-800)}.auth-section-rule{border:none;border-top:1px solid var(--seo-line);margin:24px 0}.auth-route-cta{text-align:center;flex-direction:column;align-items:center;gap:10px;display:flex}.auth-route-cta p{color:var(--seo-mute);margin:0;font-size:13px}@media (width<=640px){.auth-shell{min-height:100dvh}.auth-aside{padding:20px 22px}.auth-aside-headline,.auth-aside-sub{display:none}.auth-main{align-items:flex-start;padding:28px 18px 44px}.auth-card{border-radius:var(--md-sys-shape-large);padding:28px 22px}.auth-card h1{font-size:25px;line-height:1.3}.auth-card-sub{margin-bottom:22px}}.auth-context{border-radius:var(--md-sys-shape-medium);background:var(--seo-teal-50);border:1px solid color-mix(in srgb, var(--seo-teal-700) 25%, transparent);margin:0 0 1.1rem;padding:.75rem .9rem}.auth-context-h{color:var(--seo-teal-700,var(--seo-teal-700));margin:0;font-size:.9rem;font-weight:800}.auth-context ul{margin:.45rem 0 0;padding-left:1.1rem}.auth-context li{color:var(--seo-ink-2,var(--seo-ink-2));font-size:.85rem;line-height:1.6}.auth-context-steps{color:var(--seo-ink-2,var(--seo-ink-2));margin:.45rem 0 0;font-size:.83rem;line-height:1.6}.auth-policy{text-align:center;color:var(--seo-mute);margin:.6rem 0 0;font-size:.8rem}.auth-policy a{color:var(--seo-mute);text-decoration:underline}.auth-policy span{margin:0 .35rem}