.vui-btn{background:linear-gradient(90deg,#27ae60,#219150);color:#fff;border:none;border-radius:6px;padding:.6rem 1.5rem;font-size:1rem;font-weight:500;cursor:pointer;transition:background .2s;display:inline-block}.vui-btn:disabled{background:linear-gradient(90deg,#27ae60,#219150);color:#e0e0e0;opacity:.5;cursor:not-allowed}.vui-btn:not(:disabled):hover{background:linear-gradient(90deg,#34e47a,#27ae60);color:#fff}.story-modal-backdrop{position:fixed;top:0;left:0;width:100vw;height:100vh;background:#1221358c;z-index:1000}.sticky-header{position:fixed;top:0;left:0;right:0;z-index:1500;background:#fff;width:100%}.sticky-header app-header{display:block}.scroll-top-btn{position:fixed;bottom:32px;right:24px;width:52px;height:52px;border-radius:50%;border:none;background:linear-gradient(135deg,#27ae60,#219150);color:#fff;font-size:1.5rem;line-height:1;cursor:pointer;box-shadow:0 12px 24px #21915059;z-index:2000;transition:transform .2s ease,box-shadow .2s ease}.scroll-top-btn:hover{transform:translateY(-2px);box-shadow:0 16px 28px #21915073}.sticky-header .app-header{box-shadow:0 2px 12px #0000001f}.sticky-header-spacer{height:var(--vui-sticky-header-height, 80px);width:100%}@media (max-width: 767px){:root{--vui-sticky-header-height: 56px}}html,body{height:100%;margin:0}*,*:before,*:after{box-sizing:border-box}.form-link{color:#4a9d6f;text-decoration:none;font-weight:500;transition:color .3s ease}.form-link:hover{color:#2d7a52}.form-group{display:flex;flex-direction:column}.form-label{font-weight:500;color:#333;margin-bottom:8px;font-size:14px}.form-input{padding:12px;border:1px solid #ddd;border-radius:4px;font-size:16px;transition:border-color .3s ease;width:100%;display:block}.form-input:focus{outline:none;border-color:#4a9d6f;box-shadow:0 0 5px #4a9d6f4d}.form-container{display:flex;justify-content:center;align-items:center;height:100%;background-color:#f9f9f9;font-family:Arial,sans-serif;overflow:auto}.form-box{background-color:#fff;border-radius:8px;box-shadow:0 4px 20px #0000001f}.form-title{text-align:center;color:#4a9d6f;font-weight:700}.form-btn{padding:12px;background-color:#4a9d6f;color:#fff;border:none;border-radius:4px;font-size:16px;font-weight:600;cursor:pointer;transition:background-color .3s ease}.form-btn:hover:not(:disabled){background-color:#2d7a52}.form-btn:disabled{background-color:#ccc;cursor:not-allowed}.error-message{background-color:#fee;color:#c33;padding:10px;border-radius:4px;margin-top:8px;font-size:14px;border:1px solid #fcc}.required-asterisk{color:#c33;margin-left:4px}.file-input{display:none}.avatar-upload-container{border:2px dashed #ddd;border-radius:6px;padding:20px;text-align:center;transition:border-color .3s ease}.avatar-upload-container.dragover{border-color:#4a9d6f;background-color:#eef6f1}.file-label{display:flex;align-items:center;justify-content:center;cursor:pointer;width:100%;min-height:80px}.upload-text{color:#666;font-size:14px}.avatar-preview{max-width:100%;max-height:150px;border-radius:4px;display:block;margin-top:12px}.delete-photo-link{margin-top:8px;background:none;border:none;color:#c33;cursor:pointer;font-size:13px;text-decoration:none}.delete-photo-link:hover{text-decoration:underline}