:root {
    --novel-primary: #3b82f6;
    --novel-secondary: #64748b;
    --novel-dark: #1e293b;
    --novel-light: linear-gradient(135deg, #e0f2fe 0%, #b3e5fc 50%, #81d4fa 100%);
    --novel-accent: #3b82f6;
    --novel-bg: linear-gradient(135deg, #dbeafe 0%, #bfdbfe 50%, #93c5fd 100%);
}

[data-theme="dark"] {
    --novel-primary: #3b82f6;
    --novel-secondary: #94a3b8;
    --novel-dark: #f1f5f9;
    --novel-light: linear-gradient(135deg, #1e3a8a 0%, #3730a3 50%, #4338ca 100%);
    --novel-accent: #60a5fa;
}

.text-novel-primary { color: var(--novel-primary); }
.text-novel-secondary { color: var(--novel-secondary); }
.text-novel-dark { color: var(--novel-dark); }
.text-novel-accent { color: var(--novel-accent); }
.bg-novel-primary { background-color: var(--novel-primary); }
.bg-novel-light { background: var(--novel-light); }
.bg-novel-accent { background-color: var(--novel-accent); }
.border-novel-primary { border-color: var(--novel-primary); }
.hover\:bg-novel-primary:hover { background-color: var(--novel-primary); }
.hover\:text-novel-primary:hover { color: var(--novel-primary); }
.hover\:bg-novel-accent:hover { background-color: var(--novel-accent); }

/* 背景樣式 */
.bg-novel-bg { background: var(--novel-bg); }
body { background: var(--novel-bg); }

/* 暗色主題下的背景 */
[data-theme="dark"] {
    --novel-bg: linear-gradient(135deg, #1e3a8a 0%, #3730a3 50%, #4338ca 100%);
}
[data-theme="dark"] .bg-novel-bg { background: var(--novel-bg); }
[data-theme="dark"] body { background: var(--novel-bg); }

/* 暗色主題樣式 */
[data-theme="dark"] .bg-novel-light { background: var(--novel-light); }
[data-theme="dark"] .bg-slate-50 { background: var(--novel-light); }
[data-theme="dark"] .bg-white { background: var(--novel-light); }
[data-theme="dark"] .text-novel-dark { color: var(--novel-dark); }
[data-theme="dark"] .text-novel-secondary { color: var(--novel-secondary); }
[data-theme="dark"] .text-slate-400 { color: var(--novel-dark); }
[data-theme="dark"] .text-slate-600 { color: var(--novel-dark); }
[data-theme="dark"] .text-slate-700 { color: var(--novel-dark); }
[data-theme="dark"] .text-slate-800 { color: var(--novel-dark); }

/* 文本截斷樣式 */
.line-clamp-1 {
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.line-clamp-2 {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.line-clamp-3 {
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
[data-theme="dark"] .bg-slate-100 { background-color: #374151; }
[data-theme="dark"] .filter-tab { color: var(--novel-secondary); }
[data-theme="dark"] .filter-tab.active { background-color: var(--novel-primary); color: white; }
[data-theme="dark"] .filter-tab:hover { color: var(--novel-accent); }

/* 亮色主題下的按鈕和選單文字 */
.bg-novel-primary { color: white; }
.filter-tab { color: #1e293b; }
.filter-tab.active { color: #1e293b; }
[data-theme="dark"] .text-slate-900 { color: var(--novel-dark); }
[data-theme="dark"] .text-gray-600 { color: var(--novel-dark); }
[data-theme="dark"] .text-gray-700 { color: var(--novel-dark); }
[data-theme="dark"] .text-gray-800 { color: var(--novel-dark); }
[data-theme="dark"] .text-gray-900 { color: var(--novel-dark); }
[data-theme="dark"] .border-slate-200 { border-color: var(--novel-secondary); }
[data-theme="dark"] .shadow-sm { box-shadow: 0 1px 2px 0 rgba(255, 255, 255, 0.05); }
[data-theme="dark"] .bg-gradient-to-r { background: linear-gradient(to right, var(--novel-dark), var(--novel-light)); }
[data-theme="dark"] .hover\:bg-slate-100:hover { background: var(--novel-primary); }
[data-theme="dark"] .hover\:bg-gray-50:hover { background: var(--novel-primary); }
[data-theme="dark"] .bg-gray-50 { background: var(--novel-light); }
[data-theme="dark"] .divide-gray-100 > :not([hidden]) ~ :not([hidden]) { border-color: var(--novel-secondary); }

/* 修復主題切換按鈕圖標顏色 */
[data-theme="dark"] .fa-sun { color: var(--novel-secondary) !important; }
[data-theme="dark"] .fa-moon { color: var(--novel-secondary) !important; }
[data-theme="dark"] .fa-search { color: var(--novel-secondary) !important; }
[data-theme="dark"] .fa-user { color: var(--novel-secondary) !important; }

/* 修復左側分類導覽菜單文字顏色 */
[data-theme="dark"] .category-item span { color: var(--novel-dark) !important; }
[data-theme="dark"] .category-item i { color: inherit !important; }
[data-theme="dark"] .category-item.active span { color: var(--novel-dark) !important; }

/* 響應式設計 */
@media (max-width: 768px) {
    .hero-section {
        padding: 2rem 0;
    }
    
    .hero-section .flex {
        flex-direction: column;
        text-align: center;
    }
    
    .hero-section .flex-1:last-child {
        margin-top: 2rem;
        text-align: center;
    }
}

/* 動畫效果 */
.fade-in {
    animation: fadeIn 0.5s ease-in;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.slide-up {
    animation: slideUp 0.3s ease-out;
}

@keyframes slideUp {
    from { transform: translateY(10px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

/* 自定義滾動條 */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--novel-primary);
}

::-webkit-scrollbar-thumb {
    background: var(--novel-secondary);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--novel-accent);
}