*{box-sizing:border-box;margin:0;padding:0}body{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;margin:0;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif}#root{min-height:100vh}.login-container{background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);justify-content:center;align-items:center;min-height:100vh;padding:20px;display:flex;position:relative;overflow:hidden}.background-decoration{pointer-events:none;position:absolute;inset:0;overflow:hidden}.circle{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#ffffff1a;border-radius:50%;position:absolute}.circle-1{width:400px;height:400px;animation:20s ease-in-out infinite float;top:-200px;right:-100px}.circle-2{width:300px;height:300px;animation:15s ease-in-out infinite reverse float;bottom:-150px;left:-100px}.circle-3{width:200px;height:200px;animation:10s ease-in-out infinite pulse;top:50%;left:50%;transform:translate(-50%,-50%)}@keyframes float{0%,to{transform:translateY(0)translate(0)}50%{transform:translateY(-30px)translate(30px)}}@keyframes pulse{0%,to{opacity:.1;transform:translate(-50%,-50%)scale(1)}50%{opacity:.2;transform:translate(-50%,-50%)scale(1.2)}}.login-card{-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);z-index:1;background:#fffffff2;border-radius:24px;width:100%;max-width:440px;padding:48px;position:relative;box-shadow:0 20px 60px #0000004d}@media (width<=640px){.login-card{padding:32px 24px}}.login-header{text-align:center;margin-bottom:40px}.logo-circle{color:#fff;background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);border-radius:50%;justify-content:center;align-items:center;width:80px;height:80px;margin:0 auto 24px;display:flex;box-shadow:0 8px 24px #667eea66}.logo-circle svg{width:40px;height:40px}.login-header h1{background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;margin:0 0 8px;font-size:32px;font-weight:700}.login-header p{color:#64748b;margin:0;font-size:15px}.login-form{flex-direction:column;gap:20px;display:flex}.form-group{flex-direction:column;gap:8px;display:flex}.form-group label{color:#334155;font-size:14px;font-weight:600}.form-group input{background:#fff;border:2px solid #e2e8f0;border-radius:12px;padding:14px 16px;font-size:15px;transition:all .3s}.form-group input:focus{border-color:#667eea;outline:none;box-shadow:0 0 0 4px #667eea1a}.form-group input::placeholder{color:#94a3b8}.form-options{justify-content:space-between;align-items:center;margin-top:-8px;display:flex}.checkbox-label{color:#475569;cursor:pointer;align-items:center;gap:8px;font-size:14px;display:flex}.checkbox-label input[type=checkbox]{cursor:pointer;accent-color:#667eea;width:18px;height:18px}.forgot-link{color:#667eea;cursor:pointer;background:0 0;border:none;padding:0;font-size:14px;font-weight:500;text-decoration:none;transition:color .3s}.forgot-link:hover{color:#764ba2}.login-button{color:#fff;cursor:pointer;background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);border:none;border-radius:12px;margin-top:12px;padding:16px;font-size:16px;font-weight:600;transition:all .3s;box-shadow:0 4px 16px #667eea66}.login-button:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 8px 24px #667eea80}.login-button:active:not(:disabled){transform:translateY(0)}.login-button:disabled{opacity:.7;cursor:not-allowed}.loading-spinner{border:3px solid #ffffff4d;border-top-color:#fff;border-radius:50%;width:20px;height:20px;animation:.8s linear infinite spin;display:inline-block}@keyframes spin{to{transform:rotate(360deg)}}.error-message{color:#dc2626;text-align:center;background:#fee2e2;border:1px solid #fecaca;border-radius:8px;padding:12px 16px;font-size:14px}.login-footer{text-align:center;border-top:1px solid #e2e8f0;margin-top:32px;padding-top:24px}.login-footer p{color:#64748b;margin:0;font-size:14px}.login-footer a{color:#667eea;font-weight:500;text-decoration:none;transition:color .3s}.login-footer a:hover{color:#764ba2}.modal-overlay{z-index:1000;background:#00000080;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.modal-content{background:#fff;border-radius:12px;width:100%;max-width:400px;padding:32px;box-shadow:0 20px 60px #0000004d}.modal-content h2{color:#1e293b;margin:0 0 8px;font-size:20px}.modal-desc{color:#64748b;margin:0 0 20px;font-size:14px}.modal-actions{gap:12px;margin-top:24px;display:flex}.modal-actions .btn-cancel{color:#64748b;cursor:pointer;background:#fff;border:1px solid #e2e8f0;border-radius:8px;flex:1;padding:12px;font-size:14px}.modal-actions .btn-submit{color:#fff;cursor:pointer;background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);border:none;border-radius:8px;flex:2;padding:12px;font-size:14px;font-weight:600}.modal-actions .btn-submit:disabled{opacity:.5;cursor:not-allowed}.forgot-message{border-radius:8px;margin-bottom:16px;padding:10px 14px;font-size:13px}.forgot-message.success{color:#166534;background:#f0fdf4;border:1px solid #bbf7d0}.forgot-message.error{color:#991b1b;background:#fef2f2;border:1px solid #fecaca}.selector-container{background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);justify-content:center;align-items:center;min-height:100vh;padding:20px;display:flex;position:relative}.selector-card{-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);background:#fffffff2;border-radius:24px;width:100%;max-width:900px;padding:48px;position:relative;box-shadow:0 20px 60px #0000004d}.selector-header{text-align:center;margin-bottom:40px}.selector-header h1{background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;margin:0 0 8px;font-size:32px;font-weight:700}.selector-header p{color:#64748b;margin:0;font-size:15px}.academy-grid{grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:24px;display:grid}.academy-item{text-align:center;cursor:pointer;background:#fff;border:2px solid #e2e8f0;border-radius:16px;padding:32px 24px;transition:all .3s;position:relative}.academy-item:hover{border-color:#667eea;transform:translateY(-4px);box-shadow:0 8px 24px #667eea33}.academy-emblem,.academy-emblem-placeholder{object-fit:cover;border-radius:50%;width:80px;height:80px;margin:0 auto 16px}.academy-emblem-placeholder{color:#fff;background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);justify-content:center;align-items:center;display:flex}.academy-emblem-placeholder svg{width:40px;height:40px}.academy-item h3{color:#1e293b;margin:0 0 12px;font-size:18px;font-weight:600}.lang-badge{letter-spacing:.5px;border-radius:12px;padding:4px 12px;font-size:12px;font-weight:600;display:inline-block}.lang-badge.korean{color:#1e40af;background:#dbeafe}.lang-badge.english{color:#92400e;background:#fef3c7}.loading-overlay{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#ffffffe6;border-radius:24px;justify-content:center;align-items:center;display:flex;position:absolute;inset:0}.loading-spinner-large{border:4px solid #667eea33;border-top-color:#667eea;border-radius:50%;width:48px;height:48px;animation:.8s linear infinite spin}@media (width<=768px){.selector-card{padding:32px 24px}.academy-grid{grid-template-columns:1fr}}