.c9-login-button{position:relative;display:flex;align-items:center;justify-content:center;padding:6px;border:0;border-radius:9999px;background:transparent;cursor:pointer;font-family:SEBANGGothic,Sebang,sans-serif;font-size:14px;font-weight:600;line-height:20px;color:#fff}.c9-login-shell{position:absolute;inset:0;border-radius:inherit;background:#ffffff08;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1.5px solid rgba(255,255,255,.4);border-bottom:1.5px solid rgba(255,255,255,.05);box-shadow:inset 0 3px 6px #fff6,inset 0 -4px 10px #0000001a,0 8px 24px #00000026,0 4px 20px var(--login-glow);transition:background-color .3s}.c9-login-core{position:relative;z-index:1;display:flex;align-items:center;gap:8px;padding:10px 24px;border-radius:inherit;color:#fff;letter-spacing:.025em;background:linear-gradient(180deg,var(--login-top) 0%,var(--login-bottom) 100%);backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);box-shadow:inset 0 2px 4px #ffffff80,inset 0 -2px 4px #0003,0 4px 10px #0003;text-shadow:0 1px 2px rgba(0,0,0,.3);border:1px solid rgba(255,255,255,.3);transition:filter .3s}.c9-login-core svg{width:16px;height:16px;flex-shrink:0}.c9-login-button:hover .c9-login-shell{background:#ffffff0d}.c9-login-button:hover .c9-login-core{filter:brightness(1.1)}.c9-login-button:focus-visible{outline:2px solid var(--login-accent);outline-offset:4px}.c9-profile-button :where(*){border-color:#e5e7eb}.c9-profile-button{position:relative;display:flex;align-items:center;gap:12px;padding:8px 16px 8px 12px;border-radius:9999px;background:#0006;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid rgba(255,255,255,.1);box-shadow:0 4px 20px #0006;font-family:SEBANGGothic,sans-serif;font-size:16px;line-height:24px;font-weight:400;color:#0a0a0a;cursor:pointer;transition:background-color .2s,border-color .2s}.c9-profile-button:hover{background:#0009;border-color:#fff3}.c9-profile-avatar{position:relative;display:flex;align-items:center;justify-content:center;width:48px;height:48px;flex-shrink:0;margin:-8px 0 -8px -4px;border:2px solid;border-radius:50%;overflow:hidden;color:#fff;font-size:16px;line-height:24px;font-weight:700;box-shadow:inset 0 2px 4px #0000000d}.c9-profile-avatar img{width:100%;height:100%;object-fit:cover}.c9-profile-label{display:flex;flex-direction:column;align-items:flex-start;line-height:1}.c9-profile-label>span{color:#fff;font-size:14px;line-height:20px;font-weight:600}.c9-profile-label small{color:#fff6;font-size:10px;line-height:10px;margin-top:2px}.c9-profile-admin{color:#1a93d2cc;margin-left:-4px}.c9-profile-chevron{color:#fff6;flex-shrink:0;transition:transform .2s}.c9-profile-button:focus-visible{outline:2px solid #1a93d2;outline-offset:4px}.header-account{flex:0 0 auto;margin-left:12px;padding-left:26px;border-left:1px solid var(--line)}.edu-account{position:relative;font-family:SEBANG Gothic,sans-serif}.edu-account .c9-login-button,.edu-account .c9-profile-button{font-family:inherit}.edu-auth-loading,.edu-auth-retry{display:block;min-width:112px;font-size:12px;color:var(--muted)}.edu-account .c9-profile-button{color:var(--ink);border-color:var(--line);background:var(--surface)}.edu-account .c9-profile-button:hover{background:var(--blue)}.edu-account .c9-profile-label>span,.edu-account .c9-profile-avatar{color:var(--ink)}.edu-account .c9-profile-label small,.edu-account .c9-profile-chevron{color:var(--muted)}.edu-account .c9-profile-label small{font-size:11px;line-height:1.3}.edu-account-menu{position:absolute;right:0;top:calc(100% + 8px);z-index:20;width:190px;padding:12px;border-radius:12px;background:var(--surface);box-shadow:0 12px 32px #18353826}.edu-account-menu p{margin:0 8px 8px;color:var(--muted);font-size:11px}.edu-account-menu button{display:flex;align-items:center;gap:10px;width:100%;min-height:44px;padding:8px;border-radius:6px;font-size:13px}.edu-account-menu button:hover{background:var(--page)}.edu-login-dialog{position:fixed;width:min(430px,calc(100% - 32px));max-width:none;max-height:calc(100dvh - 32px);padding:36px;border:0;border-radius:16px;color:var(--ink);background:var(--surface);box-shadow:0 24px 80px #102c3840;font-family:SEBANG Gothic,sans-serif;overflow:auto;scrollbar-width:thin;scrollbar-color:var(--line) var(--surface)}.edu-login-dialog::backdrop{background:#18353899}.edu-login-close{display:grid;place-items:center;width:44px;height:44px;margin:-20px -20px 4px auto;border-radius:8px;background:var(--page)}.edu-login-close:hover{background:var(--blue)}.edu-login-dialog h2{margin:0;font-size:28px;line-height:1.4;letter-spacing:-.03em}.edu-login-intro{margin:12px 0 26px;color:var(--muted);font-size:13px;line-height:1.8}.edu-login-dialog label{display:block;margin:16px 0 8px;font-size:12px;font-weight:700}.edu-login-dialog input{display:block;width:100%;height:48px;min-width:0;padding:0 14px;border:1px solid var(--line);border-radius:6px;color:var(--ink);background:var(--surface);font:inherit;font-size:16px}.edu-login-dialog input:focus-visible{outline:2px solid var(--brand);outline-offset:2px}.edu-login-password{position:relative}.edu-login-password input{padding-right:54px}.edu-login-password button{position:absolute;right:2px;top:2px;display:grid;place-items:center;width:44px;height:44px;color:var(--muted)}.edu-login-error{min-height:20px;margin:12px 0;color:#a02f28;font-size:12px;line-height:1.7}.edu-login-submit{display:block;width:100%;min-height:48px;padding:10px;border-radius:6px;color:var(--surface);background:var(--ink);font-size:14px;font-weight:700}.edu-login-submit:hover{background:var(--brand)}.edu-login-submit:disabled{cursor:wait;opacity:.65}.edu-login-note{margin:20px 0 0;color:var(--muted);font-size:11px;line-height:1.7}@media(max-width:1050px){.header-account{margin-left:0;padding-left:16px}}@media(max-width:767px){.header-account{margin-left:auto;padding:0;border:0}.site-shell{grid-template-rows:136px minmax(0,1fr) 54px}.edu-login-dialog{padding:28px}}@media(max-width:767px)and (min-height:540px)and (max-height:740px){.site-shell{grid-template-rows:136px minmax(0,1fr) 48px}.education-cover{min-height:190px}.education-cover .cover-top{position:absolute;top:16px;right:20px;height:18px}.business-panel{gap:10px}.project{padding:6px 0}}@media(max-width:767px)and (max-height:539px){.site-shell{grid-template-rows:auto auto auto}.site-header{min-height:136px}}@media(prefers-reduced-motion:reduce){.edu-account *,.edu-login-dialog *{transition:none!important}}