@import "https://fonts.googleapis.com/css2?family=DM+Sans:wght@500;600;700&family=Noto+Sans+KR:wght@400;500;600;700&display=swap";:root{color:#172036;font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;--blue:#3157d5;--blue-dark:#2344b2;--navy:#172036;--muted:#6c7487;--line:#e3e7ef;--surface:#fff;--soft-blue:#edf2ff;--error:#d6324a;background:#f7f9fc;font-family:Noto Sans KR,sans-serif}*{box-sizing:border-box}body{min-width:320px;min-height:100vh;margin:0}button,input{font:inherit}a{color:inherit}button,a{-webkit-tap-highlight-color:transparent}.app-shell{flex-direction:column;min-height:100vh;display:flex}.site-header{border-bottom:1px solid var(--line);z-index:10;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);background:#ffffffeb;justify-content:space-between;align-items:center;height:76px;padding:0 clamp(24px,6vw,88px);display:flex;position:sticky;top:0}.brand{letter-spacing:-.4px;align-items:center;gap:11px;font:700 19px DM Sans,sans-serif;text-decoration:none;display:flex}.brand-mark{color:#fff;background:var(--blue);border-radius:10px 10px 10px 3px;place-items:center;width:34px;height:34px;display:grid}.main-nav{align-items:center;gap:28px;font-size:14px;font-weight:600;display:flex}.main-nav a{color:#596174;text-decoration:none}.main-nav a.active{color:var(--blue)}.nav-button{color:#596174;cursor:pointer;background:0 0;border:0;padding:0;font-weight:600}.nav-cta{background:var(--blue);border-radius:9px;padding:10px 17px;color:#fff!important}.main-content{flex:1}.site-footer{text-align:center;color:#8790a2;border-top:1px solid var(--line);background:#fff;padding:30px;font-size:13px}.hero-section{background:radial-gradient(circle at 75% 25%,#e8edff 0,#0000 30%),linear-gradient(135deg,#fff 0%,#f7f9ff 55%,#eef3ff 100%);min-height:calc(100vh - 138px);padding:clamp(68px,10vw,126px) clamp(24px,9vw,140px) 70px}.eyebrow{color:var(--blue);letter-spacing:2.2px;font:700 12px DM Sans,sans-serif}.hero-section>h1,.auth-intro h1,.profile-page h1,.completion-card h1{color:var(--navy);letter-spacing:-3.8px;margin:22px 0;font-size:clamp(42px,6vw,72px);line-height:1.14}.hero-copy{max-width:530px;color:var(--muted);font-size:17px;line-height:1.8}.hero-actions{align-items:center;gap:22px;min-height:48px;margin-top:34px;display:flex}.primary-button,.submit-button{color:#fff;background:var(--blue);cursor:pointer;border:0;border-radius:10px;justify-content:center;align-items:center;min-height:48px;padding:0 24px;font-weight:700;text-decoration:none;display:inline-flex;box-shadow:0 8px 20px #3157d533}.primary-button:hover,.submit-button:hover{background:var(--blue-dark)}.submit-button:disabled{opacity:.65;cursor:wait}.text-link{color:var(--blue);text-underline-offset:4px;font-weight:600}.welcome-message,.muted{color:var(--muted)}.feature-grid{border-top:1px solid #dfe4f0;grid-template-columns:repeat(3,1fr);max-width:1000px;margin-top:clamp(70px,9vw,120px);display:grid}.feature-grid article{padding:26px 38px 0 0}.feature-grid strong{color:var(--blue);font:700 12px DM Sans,sans-serif}.feature-grid h2{margin:12px 0 8px;font-size:18px}.feature-grid p{color:var(--muted);margin:0;font-size:14px;line-height:1.7}.auth-page{background:linear-gradient(125deg,#eef3ff 0%,#f8faff 47%,#fff 47%);grid-template-columns:minmax(280px,1fr) minmax(380px,480px);align-items:center;gap:clamp(50px,10vw,160px);min-height:calc(100vh - 137px);padding:60px clamp(24px,8vw,130px);display:grid}.auth-intro h1{font-size:clamp(44px,5vw,66px)}.auth-intro>p{color:var(--muted);font-size:16px}.auth-card{border:1px solid var(--line);background:#fff;border-radius:20px;padding:clamp(28px,4vw,48px);box-shadow:0 24px 70px #1d305d1a}.auth-card h2{letter-spacing:-1px;margin:0 0 8px;font-size:28px}.card-description{color:var(--muted);margin:0 0 30px;font-size:14px}.auth-card form{flex-direction:column;display:flex}.auth-card label{margin:16px 0 8px;font-size:13px;font-weight:700}.auth-card input{width:100%;height:48px;color:var(--navy);background:#fbfcfe;border:1px solid #dce1eb;border-radius:9px;outline:none;padding:0 14px}.auth-card input:focus{border-color:var(--blue);box-shadow:0 0 0 3px #3157d51a}.auth-card input::placeholder{color:#a8aebc}.form-error{color:var(--error);background:#fff2f4;border-radius:8px;margin:14px 0 0;padding:11px 13px;font-size:13px}.submit-button{width:100%;margin-top:24px}.auth-switch{text-align:center;color:var(--muted);margin:24px 0 0;font-size:13px}.auth-switch a{color:var(--blue);font-weight:700}.profile-page{background:#f7f9fc;grid-template-columns:1fr minmax(380px,560px);align-items:start;gap:80px;min-height:calc(100vh - 137px);padding:72px clamp(24px,9vw,140px);display:grid}.profile-page h1{margin:18px 0 14px;font-size:48px}.profile-page>div p{color:var(--muted)}.profile-card{border:1px solid var(--line);background:#fff;border-radius:18px;padding:38px;box-shadow:0 15px 45px #1d305d12}.avatar{color:#fff;background:linear-gradient(135deg,#3157d5,#7d93e8);border-radius:22px;place-items:center;width:70px;height:70px;font-size:27px;font-weight:700;display:grid}.profile-summary{margin:18px 0 28px}.profile-summary h2{margin:0 0 5px}.profile-summary span{color:var(--muted);font-size:13px}.profile-card dl{border-top:1px solid var(--line);margin:0}.profile-card dl div{border-bottom:1px solid var(--line);grid-template-columns:110px 1fr;padding:16px 0;display:grid}.profile-card dt{color:var(--muted);font-size:13px}.profile-card dd{overflow-wrap:anywhere;margin:0;font-weight:600}.status-card,.completion-card{text-align:center;border:1px solid var(--line);background:#fff;border-radius:18px;max-width:620px;margin:90px auto;padding:48px}.completion-icon{color:#fff;background:var(--blue);border-radius:50%;place-items:center;width:64px;height:64px;margin:0 auto;font-size:28px;display:grid}.completion-card h1{letter-spacing:-1.5px;font-size:34px}.completion-card p{color:var(--muted);margin-bottom:28px}button:focus-visible,a:focus-visible,input:focus-visible{outline-offset:3px;outline:3px solid #3157d559}.study-list-page{width:min(100% - 48px,1080px);margin:0 auto;padding:72px 0 80px}.study-list-header{max-width:660px;margin-bottom:36px}.study-list-header h1{color:var(--navy);letter-spacing:-2.8px;margin:8px 0 13px;font-size:clamp(34px,5vw,52px);line-height:1.12}.study-list-header>p:last-child{color:var(--muted);margin:0;font-size:16px}.study-grid{grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:16px;display:grid}.study-card{min-height:270px;color:inherit;border:1px solid var(--line);background:#fff;border-radius:18px;flex-direction:column;padding:24px;text-decoration:none;transition:transform .18s,border-color .18s,box-shadow .18s;display:flex;box-shadow:0 15px 45px #1d305d12}.study-card:hover{border-color:#bdc9ee;transform:translateY(-3px);box-shadow:0 20px 50px #1d305d1f}.study-card__heading,.study-card__capacity{justify-content:space-between;align-items:center;gap:12px;display:flex}.study-card__badge{color:var(--blue-dark);background:#eaf0ff;border-radius:999px;padding:6px 10px;font-size:12px;font-weight:800}.study-card__id{color:#9aa2b2;font-size:13px}.study-card h2{letter-spacing:-.7px;margin:20px 0 23px;font-size:22px;line-height:1.35}.study-card__details{gap:13px;margin:0 0 22px;display:grid}.study-card__details div{justify-content:space-between;gap:16px;display:flex}.study-card__details dt{color:var(--muted);font-size:13px}.study-card__details dd{text-align:right;margin:0;font-size:14px;font-weight:700}.study-card__capacity{color:var(--blue-dark);margin-top:auto;font-size:13px;font-weight:800}.study-card__capacity progress{background:#eaf0ff;border:0;border-radius:999px;width:58%;height:7px;overflow:hidden}.study-card__capacity progress::-webkit-progress-bar{background:#eaf0ff;border-radius:999px}.study-card__capacity progress::-webkit-progress-value{background:var(--blue);border-radius:999px}.study-card__capacity progress::-moz-progress-bar{background:var(--blue);border-radius:999px}.study-state{text-align:center;border:1px solid var(--line);background:#fff;border-radius:18px;align-content:center;place-items:center;gap:13px;min-height:260px;padding:32px;display:grid}.study-state h2,.study-state p{margin:0}.study-state p{color:var(--muted)}.study-state--error{border-color:#b84d4d38}.study-state .primary-button{margin-top:8px}.study-loading{border:3px solid #dce5ff;border-top-color:var(--blue);border-radius:50%;width:34px;height:34px;animation:.8s linear infinite study-loading-spin}.study-state__actions{align-items:center;gap:18px;margin-top:8px;display:flex}.study-detail-page{width:min(100% - 48px,1080px);min-height:calc(100vh - 137px);margin:0 auto;padding:52px 0 80px}.study-detail-back{color:var(--muted);margin-bottom:24px;font-size:14px;font-weight:700;text-decoration:none;display:inline-flex}.study-detail-back:hover{color:var(--blue)}.study-detail-card{border:1px solid var(--line);background:#fff;border-radius:22px;overflow:hidden;box-shadow:0 20px 60px #1d305d14}.study-detail-header{border-bottom:1px solid var(--line);background:linear-gradient(135deg,#f1f5ff,#fbfcff);padding:clamp(32px,6vw,64px)}.study-detail-header>div{align-items:center;gap:12px;display:flex}.study-detail-status{border-radius:999px;padding:7px 11px;font-size:12px;font-weight:800}.study-detail-status--open{color:var(--blue-dark);background:#e4ecff}.study-detail-status--closed{color:#697185;background:#e8eaf0}.study-detail-header h1{max-width:760px;color:var(--navy);letter-spacing:-2.8px;margin:22px 0 12px;font-size:clamp(34px,5vw,54px);line-height:1.15}.study-detail-header>p{color:var(--muted);margin:0;font-size:14px}.study-detail-content{grid-template-columns:minmax(0,1fr) minmax(280px,340px);align-items:start;gap:clamp(40px,7vw,90px);padding:clamp(32px,6vw,64px);display:grid}.study-detail-content h2{letter-spacing:-.5px;margin:0 0 20px;font-size:19px}.study-detail-main{min-width:0}.study-description{color:#4e5669;white-space:pre-wrap;margin:0;line-height:1.85}.study-detail-summary{background:#f7f9fd;border:1px solid #e5e9f2;border-radius:15px;padding:25px}.study-detail-summary dl{margin:0}.study-detail-summary dl div{border-bottom:1px solid #e2e6ef;gap:6px;padding:14px 0;display:grid}.study-detail-summary dl div:first-child{padding-top:0}.study-detail-summary dl div:last-child{border-bottom:0;padding-bottom:0}.study-detail-summary dt{color:var(--muted);font-size:12px}.study-detail-summary dd{margin:0;font-size:14px;font-weight:700}.study-create-page{width:min(100% - 48px,980px);margin:0 auto;padding:64px 0 80px}.study-create-intro{max-width:680px;margin-bottom:32px}.study-create-intro h1{color:var(--navy);letter-spacing:-2.8px;margin:10px 0 13px;font-size:clamp(34px,5vw,52px);line-height:1.15}.study-create-intro>p:last-child{color:var(--muted);margin:0;line-height:1.7}.study-create-form{border:1px solid var(--line);background:#fff;border-radius:20px;padding:clamp(28px,5vw,48px);box-shadow:0 20px 60px #1d305d14}.study-create-field{flex-direction:column;min-width:0;display:flex}.study-create-field+.study-create-field{margin-top:24px}.study-create-field label{margin-bottom:9px;font-size:14px;font-weight:800}.study-create-field input,.study-create-field textarea{width:100%;color:var(--navy);font:inherit;background:#fbfcfe;border:1px solid #dce1eb;border-radius:9px;outline:none;padding:13px 14px}.study-create-field input{height:48px}.study-create-field textarea{resize:vertical;line-height:1.65}.study-create-field input:focus,.study-create-field textarea:focus{border-color:var(--blue);box-shadow:0 0 0 3px #3157d51a}.study-create-field>span{color:var(--muted);text-align:right;margin-top:7px;font-size:12px}.study-create-row{grid-template-columns:minmax(180px,.65fr) minmax(280px,1.35fr);gap:18px;margin-top:24px;display:grid}.study-create-row .study-create-field{margin-top:0}.study-create-form>.submit-button{width:auto;min-width:180px;margin-left:auto;display:flex}.study-edit-actions{justify-content:flex-end;align-items:center;gap:12px;margin-top:24px;display:flex}.study-edit-actions .submit-button{width:auto;min-width:180px;margin-top:0}.secondary-button{color:#596174;background:#fff;border:1px solid #dce1eb;border-radius:10px;justify-content:center;align-items:center;min-height:48px;padding:0 24px;font-weight:700;text-decoration:none;display:inline-flex}.secondary-button:hover{color:var(--blue);border-color:#bdc9ee}.study-application-section{border-top:1px solid var(--line);margin-top:48px;padding-top:34px}.application-form{flex-direction:column;display:flex}.application-form label{margin-bottom:9px;font-size:14px;font-weight:800}.application-form textarea{resize:vertical;width:100%;color:var(--navy);font:inherit;background:#fbfcfe;border:1px solid #dce1eb;border-radius:9px;outline:none;padding:14px;line-height:1.65}.application-form textarea:focus{border-color:var(--blue);box-shadow:0 0 0 3px #3157d51a}.application-form>span{color:var(--muted);text-align:right;margin-top:7px;font-size:12px}.application-form .submit-button{width:auto;min-width:170px;margin-left:auto}.application-notice,.application-complete{background:#f4f7ff;border:1px solid #dfe6fa;border-radius:12px;padding:20px}.application-notice p,.application-complete p{color:var(--muted);margin:0;line-height:1.6}.application-notice .text-link{margin-top:10px;display:inline-block}.application-notice .application-notice__link{margin-left:18px}.study-owner-actions{border-top:1px solid #dfe6fa;margin-top:20px;padding-top:18px}.study-close-button{color:#a13d49;cursor:pointer;background:#fff;border:1px solid #e8c5ca;border-radius:8px;padding:10px 14px;font-weight:800}.study-close-button:hover{background:#fff2f4}.study-close-button:disabled{opacity:.55;cursor:wait}.application-notice .study-action-error{color:var(--error);background:#fff2f4;border-radius:8px;margin-top:12px;padding:10px 12px;font-size:13px}.application-complete strong{margin-bottom:8px;display:block}.application-complete .text-link{margin-top:12px;display:inline-block}.applications-page{width:min(100% - 48px,880px);min-height:calc(100vh - 137px);margin:0 auto;padding:64px 0 80px}.applications-header{margin-bottom:32px}.applications-header h1{color:var(--navy);letter-spacing:-2.4px;margin:10px 0 12px;font-size:clamp(36px,5vw,52px)}.applications-header>p:last-child{color:var(--muted);margin:0}.application-list{gap:14px;display:grid}.application-card{border:1px solid var(--line);background:#fff;border-radius:16px;padding:24px;box-shadow:0 12px 35px #1d305d0f}.application-card__heading,.application-card__footer{justify-content:space-between;align-items:center;gap:14px;display:flex}.application-card__heading>span:last-child{color:#9aa2b2;font-size:12px}.application-status{border-radius:999px;padding:6px 10px;font-size:12px;font-weight:800}.application-status--pending{color:#875b00;background:#fff2cb}.application-status--approved{color:#16704b;background:#ddf7eb}.application-status--rejected{color:#a13d49;background:#ffe7ea}.application-status--canceled{color:#697185;background:#e8eaf0}.application-card h2{margin:18px 0 10px;font-size:20px}.application-card h2 a{color:var(--navy);text-decoration:none}.application-card h2 a:hover{color:var(--blue)}.application-card__message{color:#596174;white-space:pre-wrap;margin:0 0 22px;line-height:1.7}.application-card__footer{border-top:1px solid #edf0f5;padding-top:16px}.application-card__footer time{color:var(--muted);font-size:12px}.application-cancel-button{color:#a13d49;cursor:pointer;background:#fff;border:1px solid #e8c5ca;border-radius:8px;padding:8px 12px;font-weight:700}.application-cancel-button:disabled{opacity:.55;cursor:wait}.owner-applications-header>p:last-child{color:var(--navy);font-weight:700}.application-card__applicant{color:var(--muted);margin:-4px 0 18px;font-size:13px}.application-decision-actions{gap:8px;display:flex}.application-reject-button,.application-approve-button{cursor:pointer;border-radius:8px;padding:9px 15px;font-weight:800}.application-reject-button{color:#a13d49;background:#fff;border:1px solid #e8c5ca}.application-approve-button{color:#fff;background:var(--blue);border:1px solid var(--blue)}.application-reject-button:disabled,.application-approve-button:disabled{opacity:.55;cursor:wait}.members-page{width:min(100% - 48px,820px);min-height:calc(100vh - 137px);margin:0 auto;padding:64px 0 80px}.members-header{margin-bottom:32px}.members-header h1{color:var(--navy);letter-spacing:-2.4px;margin:10px 0 12px;font-size:clamp(36px,5vw,52px)}.members-header>p:last-child{color:var(--muted);margin:0;font-weight:700}.member-list{gap:12px;display:grid}.member-card{border:1px solid var(--line);background:#fff;border-radius:15px;align-items:center;gap:18px;padding:22px 24px;display:flex;box-shadow:0 10px 30px #1d305d0d}.member-avatar{color:#fff;background:linear-gradient(135deg,#3157d5,#7d93e8);border-radius:15px;flex:0 0 50px;place-items:center;width:50px;height:50px;font-size:20px;font-weight:800;display:grid}.member-card__content{flex:1;min-width:0}.member-card__content>div{align-items:center;gap:10px;display:flex}.member-card h2{margin:0;font-size:18px}.member-card p{color:var(--muted);margin:7px 0 0;font-size:13px}.member-role{border-radius:999px;padding:5px 8px;font-size:11px;font-weight:800}.member-role--owner{color:var(--blue-dark);background:#e4ecff}.member-role--member{color:#16704b;background:#ddf7eb}@keyframes study-loading-spin{to{transform:rotate(360deg)}}@media (width<=820px){.site-header{padding:0 20px}.brand>span:last-child{display:none}.main-nav{gap:16px}.hero-section{padding-top:72px}.feature-grid{grid-template-columns:1fr}.feature-grid article{padding-right:0}.auth-page{background:#f5f8ff;grid-template-columns:1fr;gap:36px;padding:52px 20px}.auth-intro h1{letter-spacing:-2px;font-size:42px}.profile-page{grid-template-columns:1fr;gap:40px;padding:52px 20px}.study-detail-content,.study-create-row{grid-template-columns:1fr}}@media (width<=480px){.main-nav>a:first-child{display:none}.hero-section>h1{letter-spacing:-2.5px;font-size:42px}.hero-actions{flex-direction:column;align-items:flex-start}.auth-card,.profile-card{padding:26px 20px}.study-list-page{width:min(100% - 40px,1080px);padding:52px 0 64px}.study-grid{grid-template-columns:1fr}.study-detail-page{width:min(100% - 40px,1080px);padding:36px 0 64px}.study-state__actions{flex-direction:column}.study-create-page{width:min(100% - 40px,980px);padding:44px 0 64px}.study-create-form>.submit-button{width:100%}.study-edit-actions{flex-direction:column-reverse;align-items:stretch}.study-edit-actions .submit-button,.study-edit-actions .secondary-button,.application-form .submit-button{width:100%}.applications-page{width:min(100% - 40px,880px);padding:44px 0 64px}.application-card__footer{flex-direction:column;align-items:flex-start}.members-page{width:min(100% - 40px,820px);padding:44px 0 64px}.application-notice .application-notice__link{margin-left:0;display:block}}