/* 深浅模式核心样式（重点：正文文字颜色改为黑色，加!important强制生效） */
body.dark-mode {
    background: radial-gradient(circle at 20% 30%, #1a0b2e 0%, #0a0514 100%);
    background-image: url("data:image/svg+xml,%3Csvg width='100' height='100' viewBox='0 0 100 100' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M11 18c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm48 25c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm-43-7c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm63 31c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM34 90c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm56-76c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM12 86c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm28-65c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm23-11c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm-6 60c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm29 22c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zM32 63c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm57-13c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm-9-21c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM60 91c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM35 41c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM12 60c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2z' fill='%23a773d1' fill-opacity='0.15' fill-rule='evenodd'/%3E%3C/svg%3E");
    color: white;
    transition: background 0.3s ease, color 0.3s ease;
}
/* 核心修复：深色模式正文文字改为黑色（#1a0b2e），!important强制覆盖所有冲突样式 */
body.dark-mode .novel-content { color: #1a0b2e !important; }
body.dark-mode .chapter-meta,
body.dark-mode .header-btn,
body.dark-mode .font-btn,
body.dark-mode .volume-btn { color: #e0d8e8; }
body.dark-mode .reader-header,
body.dark-mode .footer-nav {
    background: rgba(20,10,30,0.8);
    border-color: rgba(167,115,209,0.3);
}
body.dark-mode .header-btn:hover {
    color: #c89fff;
    background: rgba(167,115,209,0.2);
}
body.dark-mode .chapter-title { color: #c89fff; }
body.dark-mode .volume-btn {
    background: rgba(167,115,209,0.2);
    color: #c89fff;
}
/* 电脑端功能区样式（移除字体颜色，调整间距） */
.reader-controls {
    display: flex; align-items: center; gap: 15px; /* 增大功能按钮间距 */
    margin-left: 10px; /* 整体往右移 */
}
/* 深浅模式按钮 */
.theme-btn {
    width: 36px; height: 36px; border-radius: 50%;
    border: 1px solid rgba(167,115,209,0.3);
    background: transparent; color: #a773d1;
    cursor: pointer; font-size: 16px;
    display: flex; align-items: center; justify-content: center;
}
body.dark-mode .theme-btn {
    color: #c89fff;
    border-color: #a773d1;
}
/* 亮度调节 */
.brightness-control {
    display: flex; align-items: center; gap: 6px;
}
.brightness-icon {
    color: #a773d1; font-size: 14px;
}
body.dark-mode .brightness-icon { color: #c89fff; }
.brightness-slider {
    width: 60px; height: 3px;
    border-radius: 2px;
    background: #e0c8e0;
    outline: none;
}
body.dark-mode .brightness-slider { background: #33204b; }
.brightness-slider::-webkit-slider-thumb {
    width: 10px; height: 10px;
    border-radius: 50%;
    background: #a773d1;
    border: none;
    cursor: pointer;
}
body.dark-mode .brightness-slider::-webkit-slider-thumb { background: #c89fff; }
/* 电脑端：上下分册按钮布局（大幅增大间距，彻底解决过近问题） */
.volume-nav {
    display: flex; gap: 30px; /* 从20px增至30px，间隔更宽松 */
    align-items: center;
    margin-right: 15px; /* 调整与功能区的距离 */
}
.volume-btn {
    padding: 6px 14px; /* 加宽按钮，文字不拥挤 */
    background: rgba(167,115,209,0.1);
    color: #a773d1; border: none; border-radius: 6px;
    font-size: 14px; cursor: pointer;
    white-space: nowrap;
}
/* 手机端样式（重点修复：按钮上移+弹窗打开） */
@media (max-width: 992px) {
    /* 电脑端功能区隐藏 */
    .reader-controls { display: none; }
    /* 移除手机端上下分册按钮 */
    .volume-nav { display: none !important; }
    /* 缩短顶部功能栏，避免遮挡正文 */
    .reader-header {
        padding: 10px 15px !important;
        gap: 5px;
    }
    .reader-header .header-btn {
        font-size: 14px;
        padding: 4px 8px;
    }
    .reader-header h1 {
        font-size: 16px !important;
    }
    .font-control {
        gap: 5px;
    }
    .font-btn {
        width: 32px;
        height: 32px;
        font-size: 12px;
    }
    /* 修复：手机端功能按钮上移（从bottom:20px改为80px，避开底部栏目遮挡） */
    .mobile-controls-btn {
        position: fixed; bottom: 80px; left: 20px; z-index: 99999; /* 最高层级 */
        width: 50px; height: 50px; border-radius: 50%;
        background: rgba(255,255,255,0.8); backdrop-filter: blur(8px);
        border: 1px solid rgba(167,115,209,0.3);
        display: flex !important; /* 强制显示 */
        align-items: center; justify-content: center;
        font-size: 22px; color: #a773d1; cursor: pointer;
        pointer-events: auto; /* 确保能触发事件 */
    }
    body.dark-mode .mobile-controls-btn {
        background: rgba(20,10,30,0.8);
        color: #c89fff;
    }
    /* 手机端功能弹窗（确保层级和动画正常） */
    .mobile-controls-popup {
        position: fixed; top: 0; left: 0; width: 260px; height: 100vh;
        background: rgba(255,255,255,0.95); backdrop-filter: blur(8px);
        border-right: 1px solid rgba(167,115,209,0.3);
        z-index: 99999 !important; /* 高于所有元素 */
        display: none; /* 默认隐藏，用display控制，不用transform */
        padding: 70px 20px;
        flex-direction: column;
        gap: 20px;
        pointer-events: auto;
    }
    /* 弹窗显示类（直接显示，无动画冲突） */
    .mobile-controls-popup.active {
        display: flex !important;
    }
    body.dark-mode .mobile-controls-popup { background: rgba(20,10,30,0.95); }
    .mobile-controls-close {
        position: absolute; top: 20px; right: 20px;
        font-size: 22px; color: #1a0b2e; cursor: pointer;
        pointer-events: auto;
    }
    body.dark-mode .mobile-controls-close { color: #e0d8e8; }
    .mobile-control-group {
        display: flex; flex-direction: column; gap: 10px;
    }
    .mobile-control-label {
        font-size: 14px; color: #664a8c;
        font-weight: 500;
    }
    body.dark-mode .mobile-control-label { color: #b090c8; }
    .mobile-control-content {
        display: flex; align-items: center; gap: 10px;
        flex-wrap: wrap;
    }
}
/* 初始状态：手机端功能按钮默认隐藏（仅媒体查询时显示） */
.mobile-controls-btn { display: none; }
.mobile-controls-popup { display: none; }