:root{--canvas: #090b0c;--surface: #101415;--surface-raised: #171c1d;--sidebar: #1d2b2d;--sidebar-active: #344446;--line: #293133;--line-strong: #3c484a;--text: #f3f5f4;--text-muted: #9ba6a4;--text-faint: #6f7b79;--accent: #c9ff57;--accent-ink: #152000;--positive: #67d39a;--warning: #f0c15b;--danger: #ef766f;color:var(--text);font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,Apple SD Gothic Neo,Noto Sans KR,sans-serif;font-synthesis:none;text-rendering:optimizeLegibility}*{box-sizing:border-box}html{background:var(--canvas)}body{margin:0;min-width:320px;min-block-size:100dvh;background:var(--canvas)}button,a{font:inherit}button{cursor:pointer}button:disabled{cursor:wait}a{color:inherit}.auth-page{isolation:isolate;min-block-size:100dvh;overflow:hidden;position:relative;background:linear-gradient(135deg,color-mix(in srgb,var(--sidebar) 20%,transparent),transparent 42%),var(--canvas)}.auth-atmosphere{background:radial-gradient(circle at 18% 18%,color-mix(in srgb,var(--accent) 9%,transparent),transparent 28%),radial-gradient(circle at 88% 76%,color-mix(in srgb,var(--sidebar) 48%,transparent),transparent 32%);inset:0;pointer-events:none;position:absolute;z-index:-1}.auth-header,.auth-footer{align-items:center;display:flex;justify-content:space-between;margin:0 auto;max-inline-size:1280px;padding-inline:clamp(24px,5vw,80px)}.auth-header{padding-block:32px}.brand{align-items:center;border-radius:4px;color:inherit;display:inline-flex;gap:12px;text-decoration:none;transition:color .14s ease,transform .14s ease}.brand:hover{color:var(--accent)}.brand:active{transform:translateY(1px)}.brand:focus-visible{outline:2px solid var(--accent);outline-offset:4px}.brand-mark{align-items:end;background:var(--accent);border-radius:8px;display:grid;gap:2px;grid-template-columns:repeat(3,4px);height:24px;justify-content:center;padding:5px;width:24px}.brand-mark span{background:var(--accent-ink);border-radius:2px;display:block;height:100%}.brand-mark span:nth-child(1){height:45%}.brand-mark span:nth-child(2){height:72%}.brand-name{font-size:18px;font-weight:650;letter-spacing:-.02em}.header-context,.eyebrow,.card-topline,.card-kicker,.signal-label,.signal-live{letter-spacing:.14em}.header-context{color:var(--text-muted);font-size:10px;margin:0}.auth-layout{align-items:center;display:grid;gap:clamp(48px,8vw,132px);grid-template-columns:minmax(0,1fr) minmax(340px,432px);margin:0 auto;max-inline-size:1120px;min-block-size:calc(100dvh - 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