@import url('https://fonts.googleapis.com/css2?family=Gowun+Dodum&family=Montserrat:wght@500;600;700;800&display=swap');:root{--blue:#4ca9ed;--aqua:#67cde0;--navy:#174e84;--muted:#6888a7;--line:rgba(58,143,204,.2)}*{box-sizing:border-box}body{margin:0;font-family:'Gowun Dodum',sans-serif;color:var(--navy);background:linear-gradient(145deg,#a7def8,#d9f3ff 55%,#f1fbff);min-height:100vh}button,input,textarea,select{font:inherit}a{color:inherit;text-decoration:none}.login{min-height:100vh;display:grid;place-items:center;padding:20px}.login-card,.panel{background:rgba(255,255,255,.92);border:1px solid var(--line);border-radius:20px;padding:22px;box-shadow:0 14px 36px rgba(45,111,159,.08)}.login-card{width:min(430px,100%)}.app{display:grid;grid-template-columns:230px 1fr;min-height:100vh}.side{padding:22px 14px;background:rgba(244,251,255,.9);border-right:1px solid var(--line);position:sticky;top:0;height:100vh}.side h2{margin:0 8px 18px}.side button{width:100%;text-align:left;border:0;background:transparent;padding:10px 11px;border-radius:10px;color:#47739a}.side button.active,.side button:hover{background:#e1f4ff;color:#174e84}.side .logout{position:absolute;bottom:18px;left:14px;right:14px;width:calc(100% - 28px)}.main{max-width:1200px;width:100%;padding:30px;margin:auto}.top{display:flex;justify-content:space-between;align-items:end;gap:14px}.top h1{margin:0 0 18px}.tab{display:none}.tab.active{display:block}.grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.field{display:grid;gap:5px}.field.full{grid-column:1/-1}.field label{font-size:11px;color:#5b7f9f}.field input,.field textarea,.field select{width:100%;padding:10px;border:1px solid var(--line);background:#f1faff;color:#174e84;border-radius:10px;outline:none}.field textarea{min-height:100px;resize:vertical}.btn{border:1px solid var(--line);background:#fff;color:#286797;border-radius:10px;padding:9px 12px}.btn.primary{border:0;color:#fff;background:linear-gradient(135deg,var(--blue),var(--aqua))}.btn.danger{background:#eefafa;color:#267681}.toolbar{display:flex;gap:7px;flex-wrap:wrap}.item{padding:14px;border:1px solid var(--line);border-radius:14px;background:#f9fdff;margin-top:10px}.item-head{display:flex;justify-content:space-between;gap:10px;margin-bottom:10px}.preview{width:220px;height:140px;object-fit:cover;border-radius:11px;border:1px solid var(--line);margin-top:7px}.gallery{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px}.gallery>div{position:relative}.gallery img{width:125px;height:90px;object-fit:cover;border-radius:10px}.gallery button{position:absolute;right:3px;top:3px;width:23px;height:23px;border:0;border-radius:50%;background:#174e84;color:#fff}.toast{position:fixed;left:50%;bottom:22px;transform:translate(-50%,10px);opacity:0;transition:.2s;background:#174e84;color:#fff;border-radius:99px;padding:9px 13px}.toast.show{opacity:1;transform:translate(-50%,0)}@media(max-width:800px){.app{grid-template-columns:1fr}.side{position:relative;height:auto}.side .logout{position:static;width:100%;margin-top:8px}.main{padding:18px}.grid{grid-template-columns:1fr}.field.full{grid-column:auto}}