:root {
    /* 浅色主题配色方案 */
    --primary-color: #87CEEB;       /* 天蓝主色调 */
    --primary-light: #B0E2FF;       /* 浅天蓝变体 */
    --secondary-color: #E6F3FF;     /* 更柔和的背景色 */
    --accent-color: #5FB8FF;        /* 亮蓝强调色 */
    --text-color: #2c3e50;          /* 深青灰文本色 */
    --text-muted: #6c757d;          /* 柔和的次级文本 */
    --border-color: rgba(135, 206, 235, 0.15);
    --page-gradient-start: #F0F8FF;  /* 爱丽丝蓝起始色 */
    --page-gradient-end: #E6F3FF;    /* 浅蓝结束色 */
    --card-gradient-start: #EAF6FF;  /* 卡片起始色 */
    --card-gradient-end: #E1F1FF;    /* 卡片结束色 */
    --card-accent: rgba(135, 206, 235, 0.08); /* 天蓝卡片强调色 */
    --card-hover-border: rgba(135, 206, 235, 0.4); /* 悬停边框颜色 */
}

.page-bg {
    background: linear-gradient(180deg, var(--page-gradient-start), var(--page-gradient-end));
    min-height: 100vh;
    /* 柔和赛博点状背景 */
    background-image: 
        linear-gradient(180deg, var(--page-gradient-start), var(--page-gradient-end)),
        radial-gradient(circle at 25px 25px, rgba(0, 204, 255, 0.04) 2px, transparent 3px),
        radial-gradient(circle at 75px 75px, rgba(255, 60, 120, 0.02) 1px, transparent 2px),
        radial-gradient(circle at 50px 50px, rgba(150, 255, 250, 0.015) 1px, transparent 2px);
    background-blend-mode: normal;
    background-size: cover, 100px 100px, 50px 50px, 75px 75px;
}

button, .card-hover {
    transition: all 0.3s ease;
}

.card-hover {
    border: 1px solid var(--border-color);
    background: linear-gradient(135deg, var(--card-gradient-start), var(--card-gradient-end));
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    position: relative;
    overflow: hidden;
    border-radius: 6px;
    color: var(--text-color);
}

.card-hover::before {
    content: "";
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, var(--card-accent), transparent);
    transition: left 0.6s ease;
}

.card-hover:hover {
    border-color: var(--card-hover-border);
    transform: translateY(-3px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.5);
}

.card-hover:hover::before {
    left: 100%;
}

.gradient-text {
    background: linear-gradient(to right, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.settings-panel {
    transform: translateX(100%);
    transition: transform 0.3s ease;
    background: linear-gradient(135deg, var(--page-gradient-end), var(--page-gradient-start));
    border-left: 1px solid var(--primary-color);
    color: var(--text-color);
}

.settings-panel.show {
    transform: translateX(0);
}

.search-button {
    background: var(--primary-color);
    color: var(--text-color);
}

.search-button:hover {
    background: var(--primary-light);
}

::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: #f5f5f5;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: #bdbdbd;
    border-radius: 4px;
    transition: all 0.3s ease;
}

::-webkit-scrollbar-thumb:hover {
    background: #9e9e9e;
}

* {
    scrollbar-width: thin;
    scrollbar-color: #bdbdbd #f5f5f5;
}

.search-tag {
    background: linear-gradient(135deg, var(--card-gradient-start), var(--card-gradient-end));
    color: var(--text-color);
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    font-size: 0.875rem;
    border: 1px solid var(--border-color);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.search-tag:hover {
    background: linear-gradient(135deg, var(--card-gradient-end), var(--card-gradient-start));
    border-color: var(--primary-color);
}

.footer {
    width: 100%;
    transition: all 0.3s ease;
    margin-top: auto;
    background: linear-gradient(to bottom, transparent, var(--page-gradient-start));
    border-top: 1px solid var(--border-color);
}

.footer a:hover {
    text-decoration: underline;
}

body {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.container {
    flex: 1;
}

@media screen and (min-height: 800px) {
    body {
        display: flex;
        flex-direction: column;
        min-height: 100vh;
    }
    
    .container {
        flex: 1;
    }
    
    .footer {
        margin-top: auto;
    }
}

@media screen and (max-width: 640px) {
    .footer {
        padding-bottom: 2rem;
    }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes fadeOut {
    from { opacity: 1; }
    to { opacity: 0; }
}

#modal.show {
    animation: fadeIn 0.3s forwards;
}

#modal.hide {
    animation: fadeOut 0.3s forwards;
}

#modal > div {
    background: linear-gradient(135deg, var(--card-gradient-start), var(--card-gradient-end));
    border: 1px solid var(--primary-color);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1), 0 0 8px rgba(33, 150, 243, 0.1);
    border-radius: 8px;
}

#modalContent button {
    background: rgba(33, 150, 243, 0.08);
    border: 1px solid rgba(33, 150, 243, 0.2);
    transition: all 0.2s ease;
}

#modalContent button:hover {
    background: rgba(33, 150, 243, 0.15);
    border-color: var(--primary-color);
    box-shadow: 0 0 8px rgba(33, 150, 243, 0.3);
}

/* 不良内容过滤开关的CSS */

#yellowFilterToggle:checked + .toggle-bg {
    background-color: var(--primary-color);
}

#yellowFilterToggle:checked ~ .toggle-dot {
    transform: translateX(1.5rem);
}

#yellowFilterToggle:focus + .toggle-bg,
#yellowFilterToggle:hover + .toggle-bg {
    box-shadow: 0 0 0 2px rgba(0, 204, 255, 0.3);
}


/* 广告过滤开关的CSS */
#adFilterToggle:checked + .toggle-bg {
    background-color: var(--primary-color);
}

#adFilterToggle:checked ~ .toggle-dot {
    transform: translateX(1.5rem);
}

#adFilterToggle:focus + .toggle-bg,
#adFilterToggle:hover + .toggle-bg {
    box-shadow: 0 0 0 2px rgba(0, 204, 255, 0.3);
}

.toggle-dot {
    transition: transform 0.3s ease-in-out;
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.toggle-bg {
    transition: background-color 0.3s ease-in-out;
}

#yellowFilterToggle:checked ~ .toggle-dot {
    box-shadow: 0 2px 4px rgba(0, 204, 255, 0.3);
}

#adFilterToggle:checked ~ .toggle-dot {
    box-shadow: 0 2px 4px rgba(0, 204, 255, 0.3);
}