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div class="w-full max-w-7xl mx-auto space-y-6">

AI Abstract Shortener

Input Source

1 Credit

<div class="absolute bottom-2 right-4 text-[10px] text-gray-300 pointer-events-none">
                    <span id="char-count">0</span> characters
                </div>
            </div>

<div class="p-4 border-t border-gray-100 dark:border-gray-700 bg-white dark:bg-gray-800 shrink-0">
                <button onclick="generateCitation()" id="btn-generate" 
                    class="w-full py-2 bg-indigo-600 hover:bg-indigo-700 text-white text-xs font-bold uppercase tracking-widest rounded shadow-sm transition-all active:scale-[0.98] flex items-center justify-center gap-2">
                    <span>Generate Shortened Version</span> 
                    <i class="fa-solid fa-bolt text-[10px]"></i>
                </button>
            </div>
        </div>

<div class="flex flex-col h-full relative bg-white dark:bg-gray-800">
            
            <div class="h-12 px-5 border-b border-gray-100 dark:border-gray-700 flex justify-between items-center shrink-0">
                <span class="text-[11px] font-bold uppercase text-indigo-500 tracking-widest flex items-center gap-2">
                    <i class="fa-solid fa-wand-magic-sparkles"></i> Shortened Result
                </span>
                
                <button onclick="copyResult()" class="group flex items-center gap-1.5 px-2 py-1 bg-white dark:bg-gray-700 border border-gray-200 dark:border-gray-600 rounded text-[10px] font-bold text-gray-500 hover:text-indigo-600 hover:border-indigo-500 transition-all shadow-sm active:scale-95">
                    <i class="fa-regular fa-copy"></i> <span>Copy</span>
                </button>
            </div>

<div class="flex-1 p-5 relative overflow-y-auto no-bar bg-gray-50/30 dark:bg-black/10">
                <div id="state-empty" class="absolute inset-0 flex flex-col items-center justify-center opacity-40 select-none">
                    <div class="w-10 h-10 bg-gray-100 dark:bg-gray-700 rounded-full flex items-center justify-center mb-2">
                        <i class="fa-solid fa-quote-left text-lg text-gray-400"></i>
                    </div>
                    <span class="text-[10px] text-gray-400 uppercase tracking-wide">Waiting for input...</span>
                </div>
                
                <div id="state-loading" class="hidden absolute inset-0 z-20 flex flex-col items-center justify-center bg-white/90 dark:bg-gray-800/90">
                    <i class="fa-solid fa-circle-notch fa-spin text-xl text-indigo-600 mb-2"></i>
                    <span class="text-[10px] font-bold uppercase text-indigo-600 tracking-widest">Processing...</span>
                </div>
                
                <div id="state-result" class="hidden w-full fade-in">
                    <div id="result-content" class="prose prose-sm dark:prose-invert max-w-none text-sm leading-loose text-gray-700 dark:text-gray-200 p-4 border border-indigo-100 dark:border-indigo-900/30 rounded-lg bg-white dark:bg-gray-900 shadow-sm select-text">
                    </div>
                </div>
            </div>
            
            <div class="p-4 border-t border-gray-100 dark:border-gray-700 bg-white dark:bg-gray-800 shrink-0 h-[66px]">
            </div>

</div>
    </div>

<div class="grid md:grid-cols-12 gap-8 pb-12">
        <div class="md:col-span-8 space-y-6">
            <section class="bg-white dark:bg-gray-800 rounded-lg border border-gray-200 dark:border-gray-700 p-6">
                <h2 class="text-sm font-bold text-gray-900 dark:text-white mb-4 border-b border-gray-100 dark:border-gray-700 pb-2">
                    Why Choose Our Tool
                </h2>
                <div class="grid sm:grid-cols-2 gap-6">
                    <div>
                        <div class="flex items-center gap-2 mb-2">
                            <span class="w-1.5 h-1.5 bg-indigo-600 rounded-full"></span>
                            <h3 class="text-xs font-bold text-gray-700 dark:text-gray-300">Key Information Retention</h3>
                        </div>
                        <p class="text-xs text-gray-500 leading-relaxed pl-3.5">
                            Maintains all critical points, research objectives, methods, results, and conclusions.
                        </p>
                    </div>
                    <div>
                        <div class="flex items-center gap-2 mb-2">
                            <span class="w-1.5 h-1.5 bg-blue-500 rounded-full"></span>
                            <h3 class="text-xs font-bold text-gray-700 dark:text-gray-300">Precise Word Limit</h3>
                        </div>
                        <p class="text-xs text-gray-500 leading-relaxed pl-3.5">
                            Guarantees the shortened abstract stays under 250 words while remaining coherent.
                        </p>
                    </div>
                </div>
            </section>
        </div>

<div class="md:col-span-4">
            <section class="bg-white dark:bg-gray-800 rounded-lg border border-gray-200 dark:border-gray-700 p-6 h-full">
                <h2 class="text-sm font-bold text-gray-900 dark:text-white mb-4 border-b border-gray-100 dark:border-gray-700 pb-2">
                    FAQs
                </h2>
                <div class="space-y-5">
                    <div>
                        <h4 class="text-xs font-bold text-gray-700 dark:text-gray-300 mb-1">Word count limit?</h4>
                        <p class="text-xs text-gray-500 leading-relaxed">
                            The final result will always be under 250 words.
                        </p>
                    </div>
                    <div>
                        <h4 class="text-xs font-bold text-gray-700 dark:text-gray-300 mb-1">Accuracy?</h4>
                        <p class="text-xs text-gray-500 leading-relaxed">
                            AI maintains all key research components without information loss.
                        </p>
                    </div>
                </div>
            </section>
        </div>
    </div>
</div>

const UI = {
        input: document.getElementById('citation-input'),
        charCount: document.getElementById('char-count'),
        btn: document.getElementById('btn-generate'),
        states: {
            empty: document.getElementById('state-empty'),
            loading: document.getElementById('state-loading'),
            result: document.getElementById('state-result')
        },
        content: document.getElementById('result-content')
    };

UI.input.addEventListener('input', (e) => {
        UI.charCount.innerText = e.target.value.length + " characters";
    });

function clearInput() {
        if(UI.input.value.length > 0 && !confirm('Are you sure you want to clear current content?')) return;
        UI.input.value = '';
        UI.charCount.innerText = "0 characters";
        UI.input.focus();
    }

function generateCitation() {
        const text = UI.input.value.trim();
        
        if (text.length < 5) {
            UI.input.classList.add('ring-2', 'ring-red-400', 'border-red-400');
            setTimeout(() => UI.input.classList.remove('ring-2', 'ring-red-400', 'border-red-400'), 500);
            UI.input.focus();
            alert("Please enter at least 5 characters of abstract text");
            return;
        }

UI.btn.disabled = true;
        UI.btn.innerHTML = '<i class="fa-solid fa-circle-notch fa-spin"></i> Processing...';
        UI.states.empty.classList.add('hidden');
        UI.states.result.classList.add('hidden');
        UI.states.loading.classList.remove('hidden');

const formData = new URLSearchParams();
        formData.append('act', 'generate_citation');
        formData.append('txt', text);

fetch(API_URL, {
                method: 'POST',
                headers: {
                    'Content-Type': 'application/x-www-form-urlencoded;charset=UTF-8'
                },
                body: formData.toString()
            })
            .then(response => response.json())
            .then(data => {
                if (data.code === 0) {
                    UI.content.innerHTML = data.data.html;
                    UI.states.loading.classList.add('hidden');
                    UI.states.result.classList.remove('hidden');
                } else if (data.code === 'nologin') {
                    alert(data.error);
                } else {
                    alert(data.error || 'Generation failed');
                    UI.states.loading.classList.add('hidden');
                    UI.states.empty.classList.remove('hidden');
                }
            })
            .catch(error => {
                console.error('Error:', error);
                alert('Request failed, please check network');
                UI.states.loading.classList.add('hidden');
                UI.states.empty.classList.remove('hidden');
            })
            .finally(() => {
                UI.btn.disabled = false;
                UI.btn.innerHTML = '<span>Generate Shortened Version</span><i class="fa-solid fa-bolt text-[10px]"></i>';
            });
    }

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                });
            }

// ===== 核心：监听系统主题变化 =====
            const media = window.matchMedia('(prefers-color-scheme: dark)');

function handleSystemChange(e) {
                const currentTheme = localStorage.getItem(STORAGE_KEY);
                if (currentTheme === 'system') {
                    // 当系统主题变化，且当前是“系统”模式时
                    // 重新应用主题，根据新的系统偏好设置 .dark 类
                    applyTheme('system');
                    console.log('系统主题已切换为：', e.matches ? '暗色' : '亮色');
                }
            }
            media.addEventListener('change', handleSystemChange);

// 调试信息
            console.log('%c主题系统已加载', 'color: green; font-weight: bold;');
            console.log('当前 localStorage theme:', localStorage.getItem(STORAGE_KEY));
            console.log('当前系统偏好:', media.matches ? '暗色' : '亮色');
            console.log('当前 HTML class:', html.classList.length > 0 ? [...html.classList] : '无');
        }

// 绑定 DOM 事件（只执行一次）
        document.addEventListener('DOMContentLoaded', initializeTheme, {
            once: true
        });
    }

// ===== 侧边栏相关功能 =====
    function toggleSidebar() {
        const sidebar = document.getElementById('sidebar');
        const overlay = document.getElementById('sidebar-overlay');

if (!sidebar || !overlay) return;

if (sidebar.classList.contains('-translate-x-full')) {
            // 显示侧边栏
            sidebar.classList.remove('-translate-x-full');
            overlay.classList.remove('hidden');
            document.body.style.overflow = 'hidden'; // 防止背景滚动
        } else {
            // 隐藏侧边栏
            sidebar.classList.add('-translate-x-full');
            overlay.classList.add('hidden');
            document.body.style.overflow = ''; // 恢复背景滚动
        }
    }

// ===== 窗口调整事件 =====
    window.addEventListener('resize', function() {
        // 处理响应式侧边栏
        if (window.innerWidth >= 768) { // md 断点
            const sidebar = document.getElementById('sidebar');
            const overlay = document.getElementById('sidebar-overlay');
            if (sidebar && overlay) {
                sidebar.classList.remove('-translate-x-full');
                overlay.classList.add('hidden');
                document.body.style.overflow = '';
            }
        }
    });
 
    
</script>

<div id="themeToast"
    class="toast fixed right-4 top-20 flex items-center gap-3 bg-white dark:bg-grm-gray-800 text-grm-gray-800 dark:text-white px-4 py-3 rounded-lg shadow-lg transform translate-x-full transition-all duration-300 z-50">
    <i class="fa-regular fa-moon text-lg"></i>
    <div class="flex flex-col">
        <span class="text-sm font-medium">主题已切换</span>
        <span class="text-xs opacity-90">天色已晚，已为您开启护眼模式</span>
    </div>
</div>

// =======================================================
    //  智能元素选择器 (核心修改)
    // =======================================================
    // 优先找 id="redPasteArea" 的 div，找不到再找普通的 textarea
    var $target = document.getElementById('redPasteArea') || document.querySelector('textarea');

// 辅助函数：判断是不是 contenteditable 的 div
    function isEditableDiv(el) {
        return el.tagName.toLowerCase() === 'div' && el.getAttribute('contenteditable') === 'true';
    }

// 辅助函数：获取内容
    function getContent(el) {
        if (!el) return '';
        // 如果是 div，取 innerHTML (保留格式/换行)，如果是 textarea，取 value
        return isEditableDiv(el) ? el.innerHTML : el.value;
    }

// 辅助函数：设置内容
    function setContent(el, val) {
        if (!el) return;
        if (isEditableDiv(el)) {
            el.innerHTML = val;
        } else {
            el.value = val;
        }
    }

// =======================================================
    //  功能 A：恢复草稿
    // =======================================================
    if ($target) {
        var savedContent = localStorage.getItem(storageKey);
        var currentContent = getContent($target);

// 只有当本地有草稿，且当前输入框看起来是空的(去除空格后)，才恢复
        // 注意：div 的空状态可能包含 <br> 或  ，所以用 innerText 来判断是否真的空
        var isEmpty = isEditableDiv($target) ? ($target.innerText.trim() === '') : ($target.value.trim() === '');

if (savedContent && isEmpty) {
            setContent($target, savedContent);
            console.log('已恢复草稿内容');
        }
    }

// =======================================================
    //  功能 B：监听输入 (未登录时)
    // =======================================================
    if (!isUserLoggedIn && $target) {
        // 监听 input 事件 (contenteditable div 也会触发这个事件)
        $target.addEventListener('input', function() {
            localStorage.setItem(storageKey, getContent(this));
        });
    }

// =======================================================
    //  功能 C：修正登录链接 (通用)
    // =======================================================
    if (!isUserLoggedIn) {
        var loginPathKeyword = 'login'; 
        var links = document.querySelectorAll('a');
        var encodedUrl = encodeURIComponent(window.location.href);

links.forEach(function(link) {
            var href = link.getAttribute('href');
            if (href && href.indexOf(loginPathKeyword) !== -1 && href.indexOf('redirect=') === -1) {
                var separator = href.indexOf('?') !== -1 ? '&' : '?';
                link.setAttribute('href', href + separator + 'redirect=' + encodedUrl);
            }
        });
    }

})();
</script>

</body>

</html>

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