/**
 * ChatGalaxy 统一侧边栏
 * 整合所有功能面板
 * 🔧 所有颜色变量由 COLOR_SCHEMES (app.js) 控制
 */

/* 侧边栏宽度（固定） */
:root {
    --sidebar-width: 280px;
}

/* 主侧边栏 */
.sidebar {
    position: fixed;
    right: -280px;
    top: 0;
    width: var(--sidebar-width);
    height: 100vh;
    background: var(--sidebar-bg);
    border-left: 1px solid var(--sidebar-border);
    box-shadow: -5px 0 30px rgba(0, 0, 0, 0.2);
    z-index: var(--z-sidebar);
    transition: right 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    overflow-y: auto;
    overflow-x: hidden;
    padding: 0;
    /* 确保内容可见 */
    opacity: 1;
    visibility: visible;
}

.sidebar.active {
    right: 0;
    display: block;
    visibility: visible;
    opacity: 1;
}

/* 侧边栏切换按钮 */
.sidebar-toggle {
    position: fixed;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    border: none;
    border-radius: 50%;
    color: white;
    font-size: 24px;
    cursor: pointer;
    box-shadow: 0 4px 20px var(--primary-color);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: var(--z-sidebar-toggle);
    display: flex;
    align-items: center;
    justify-content: center;
}

.sidebar-toggle:hover {
    transform: translateY(-50%) scale(1.1);
    box-shadow: 0 6px 25px var(--primary-color);
}

.sidebar.active ~ .sidebar-toggle {
    display: none;
}

/* 侧边栏头部 */
.sidebar-header {
    padding: 24px 20px;
    border-bottom: 1px solid var(--sidebar-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.sidebar-header h2 {
    margin: 0;
    font-size: 20px;
    color: var(--sidebar-text);
    font-weight: 600;
}

.sidebar-close {
    width: 32px;
    height: 32px;
    background: transparent;
    border: none;
    border-radius: 8px;
    color: var(--sidebar-text);
    font-size: 20px;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.sidebar-close:hover {
    background: rgba(0, 0, 0, 0.05);
}

/* 侧边栏内容区 */
.sidebar-content {
    padding: 16px 0;
    /* 确保内容可见 */
    color: var(--sidebar-text);
    opacity: 1;
}

/* 功能分组 */
.sidebar-section {
    margin-bottom: 24px;
    padding: 0 16px;
    /* 确保可见 */
    position: relative;
    z-index: var(--z-content);
}

.sidebar-section-title {
    font-size: 12px;
    color: var(--sidebar-text);
    opacity: 0.6;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 12px;
    padding-left: 8px;
    font-weight: 600;
}

/* 功能按钮网格 */
.sidebar-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
}

.sidebar-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 16px 12px;
    background: rgba(0, 0, 0, 0.03);
    border: 1px solid var(--sidebar-border);
    border-radius: 12px;
    color: var(--sidebar-text);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

.sidebar-btn i {
    font-size: 24px;
    color: var(--sidebar-hover);
}

.sidebar-btn:hover {
    background: var(--sidebar-hover);
    color: var(--sidebar-hover-text);
    border-color: var(--sidebar-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

.sidebar-btn:hover i {
    color: var(--sidebar-hover-text);
}

/* 功能列表项 */
.sidebar-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.sidebar-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: rgba(0, 0, 0, 0.03);
    border: 1px solid var(--sidebar-border);
    border-radius: 10px;
    color: var(--sidebar-text);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

.sidebar-item i {
    font-size: 20px;
    color: var(--sidebar-hover);
}

.sidebar-item:hover {
    background: var(--sidebar-hover);
    color: var(--sidebar-hover-text);
    border-color: var(--sidebar-hover);
    transform: translateX(-4px);
}

.sidebar-item:hover i {
    color: var(--sidebar-hover-text);
}

/* 开关控件 */
.sidebar-switch {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    background: rgba(0, 0, 0, 0.03);
    border: 1px solid var(--sidebar-border);
    border-radius: 10px;
}

.switch-label {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--sidebar-text);
    font-size: 14px;
    font-weight: 500;
}

.switch-label i {
    font-size: 18px;
    color: var(--sidebar-hover);
}

/* 自定义开关 */
.toggle-switch {
    position: relative;
    width: 48px;
    height: 26px;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #ccc;
    transition: 0.3s;
    border-radius: 26px;
}

.toggle-slider:before {
    position: absolute;
    content: "";
    height: 20px;
    width: 20px;
    left: 3px;
    bottom: 3px;
    background-color: white;
    transition: 0.3s;
    border-radius: 50%;
}

input:checked + .toggle-slider {
    background-color: var(--sidebar-hover);
}

input:checked + .toggle-slider:before {
    transform: translateX(22px);
}

/* 侧边栏底部信息 */
.sidebar-footer {
    padding: 20px 16px;
    border-top: 1px solid var(--sidebar-border);
    margin-top: auto;
}

.sidebar-info {
    padding: 12px;
    background: rgba(102, 126, 234, 0.1);
    border-radius: 10px;
    font-size: 12px;
    color: var(--sidebar-text);
    line-height: 1.6;
}

.sidebar-info strong {
    display: block;
    margin-bottom: 4px;
    color: var(--sidebar-hover);
}

/* 遮罩层 - 🔧 已禁用，不再使用半透明遮罩 */
.sidebar-overlay {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

/* 内嵌内容容器 */
.embedded-content {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--card-bg);
    z-index: var(--z-modal);
    display: none;
}

.embedded-content.active {
    display: block;
}

.embedded-content iframe {
    width: 100%;
    height: 100%;
    border: none;
}

.embedded-content .close-btn {
    position: fixed;
    top: 20px;
    right: 20px;
    width: 48px;
    height: 48px;
    background: #ff4757;
    border: none;
    border-radius: 50%;
    color: white;
    font-size: 24px;
    cursor: pointer;
    z-index: var(--z-modal-close);
    box-shadow: 0 4px 15px rgba(255, 71, 87, 0.4);
    transition: all 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.embedded-content .close-btn:hover {
    transform: scale(1.1) rotate(90deg);
    background: #ff3344;
}

/* 响应式 */
/* 平板设备 (≤768px) */
@media (max-width: 768px) {
    .sidebar {
        width: 100%;
        right: -100%;
    }

    .sidebar-toggle {
        right: 16px;
        top: auto;
        bottom: 80px; /* 🔧 上移避免与时间轴（40px高度 + 20px padding + 20px margin = 80px）重叠 */
        transform: none;
        z-index: var(--z-above-timeline); /* 🔧 确保在时间轴之上 */
    }

    .sidebar.active ~ .sidebar-toggle {
        display: none;
    }

    /* 侧边栏头部 */
    .sidebar-header {
        padding: 20px 16px;
    }

    .sidebar-header h2 {
        font-size: 18px;
    }

    /* 功能按钮网格 */
    .sidebar-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
    }

    .sidebar-btn {
        padding: 12px 10px;
        font-size: 12px;
    }

    .sidebar-btn i {
        font-size: 20px;
    }

    /* 侧边栏关闭按钮 */
    .sidebar-close {
        width: 28px;
        height: 28px;
        font-size: 18px;
    }

    /* 侧边栏内容 */
    .sidebar-content {
        padding: 12px 0;
    }

    /* 功能分组 */
    .sidebar-section {
        margin-bottom: 20px;
        padding: 0 12px;
    }

    .sidebar-section-title {
        font-size: 11px;
        margin-bottom: 10px;
        padding-left: 6px;
    }

    /* 功能列表项 */
    .sidebar-item {
        padding: 10px 12px;
        font-size: 13px;
    }

    .sidebar-item i {
        font-size: 18px;
    }

    /* 开关控件 */
    .sidebar-switch {
        padding: 10px 12px;
    }

    .switch-label {
        font-size: 13px;
    }

    .switch-label i {
        font-size: 16px;
    }

    /* 自定义开关 */
    .toggle-switch {
        width: 44px;
        height: 24px;
    }

    .toggle-slider:before {
        height: 18px;
        width: 18px;
        left: 3px;
        bottom: 3px;
    }

    input:checked + .toggle-slider:before {
        transform: translateX(20px);
    }

    /* 侧边栏底部 */
    .sidebar-footer {
        padding: 16px 12px;
    }

    .sidebar-info {
        font-size: 11px;
        padding: 10px;
    }
}

/* 手机设备 (≤480px) */
@media (max-width: 480px) {
    /* 侧边栏 */
    .sidebar {
        width: 100%;
        right: -100%;
        border-radius: 0;
    }

    /* 🔧 确保侧边栏关闭时不可见 */
    .sidebar:not(.active) {
        visibility: hidden;
        pointer-events: none;
    }

    /* 侧边栏切换按钮 - 增大触摸区域 */
    .sidebar-toggle {
        right: 12px;
        bottom: 90px; /* 🔧 进一步上移，避开时间轴 */
        width: 52px;
        height: 52px;
        font-size: 22px;
        z-index: var(--z-above-timeline); /* 🔧 确保在时间轴之上 */
    }

    /* 侧边栏头部 */
    .sidebar-header {
        padding: 16px 12px;
    }

    .sidebar-header h2 {
        font-size: 16px;
    }

    .sidebar-close {
        width: 32px;
        height: 32px;
        font-size: 20px;
    }

    /* 功能按钮网格 - 保持2列但调整间距 */
    .sidebar-grid {
        gap: 6px;
    }

    .sidebar-btn {
        padding: 10px 8px;
        font-size: 11px;
        gap: 6px;
    }

    .sidebar-btn i {
        font-size: 18px;
    }

    /* 侧边栏内容 */
    .sidebar-content {
        padding: 10px 0;
    }

    /* 功能分组 */
    .sidebar-section {
        margin-bottom: 16px;
        padding: 0 10px;
    }

    .sidebar-section-title {
        font-size: 10px;
        margin-bottom: 8px;
        padding-left: 4px;
    }

    /* 功能列表项 */
    .sidebar-list {
        gap: 6px;
    }

    .sidebar-item {
        padding: 8px 10px;
        font-size: 12px;
        gap: 10px;
    }

    .sidebar-item i {
        font-size: 16px;
    }

    /* 开关控件 */
    .sidebar-switch {
        padding: 8px 10px;
    }

    .switch-label {
        font-size: 12px;
        gap: 8px;
    }

    .switch-label i {
        font-size: 14px;
    }

    /* 自定义开关 */
    .toggle-switch {
        width: 40px;
        height: 22px;
    }

    .toggle-slider:before {
        height: 16px;
        width: 16px;
        left: 3px;
        bottom: 3px;
    }

    input:checked + .toggle-slider:before {
        transform: translateX(18px);
    }

    /* 侧边栏底部 */
    .sidebar-footer {
        padding: 12px 10px;
    }

    .sidebar-info {
        font-size: 10px;
        padding: 8px;
        line-height: 1.5;
    }
}

/* 触摸设备优化 */
@media (hover: none) and (pointer: coarse) {
    /* 增大所有可交互元素的触摸区域 */
    .sidebar-toggle,
    .sidebar-close,
    .sidebar-btn,
    .sidebar-item {
        min-height: 44px;
        min-width: 44px;
    }

    /* 禁用hover效果 */
    .sidebar-btn:hover,
    .sidebar-item:hover,
    .sidebar-toggle:hover,
    .sidebar-close:hover {
        transform: none;
        box-shadow: none;
    }

    /* 使用active状态代替hover */
    .sidebar-btn:active {
        background: var(--sidebar-hover);
        color: var(--sidebar-hover-text);
        border-color: var(--sidebar-hover);
        transform: none;
        opacity: 0.9;
    }

    .sidebar-item:active {
        background: var(--sidebar-hover);
        color: var(--sidebar-hover-text);
        border-color: var(--sidebar-hover);
        transform: none;
        opacity: 0.9;
    }

    .sidebar-toggle:active {
        transform: scale(0.95);
        opacity: 0.9;
    }

    .sidebar-close:active {
        background: rgba(0, 0, 0, 0.1);
        transform: scale(0.95);
    }
}

/* 小屏手机 (≤375px) */
@media (max-width: 375px) {
    /* 侧边栏头部 */
    .sidebar-header h2 {
        font-size: 15px;
    }

    /* 功能按钮 */
    .sidebar-btn {
        padding: 8px 6px;
        font-size: 10px;
    }

    .sidebar-btn i {
        font-size: 16px;
    }

    /* 功能列表项 */
    .sidebar-item {
        padding: 6px 8px;
        font-size: 11px;
    }

    .sidebar-item i {
        font-size: 14px;
    }

    /* 开关标签 */
    .switch-label {
        font-size: 11px;
    }
}

/* 横屏模式优化 */
@media (max-width: 768px) and (orientation: landscape) {
    /* 侧边栏切换按钮移到顶部 */
    .sidebar-toggle {
        top: 10px;
        bottom: auto;
        right: 10px;
    }

    /* 侧边栏头部 */
    .sidebar-header {
        padding: 12px 10px;
        min-height: 60px;
    }

    .sidebar-header h2 {
        font-size: 14px;
    }

    /* 功能分组 */
    .sidebar-section {
        margin-bottom: 12px;
    }

    /* 侧边栏底部 */
    .sidebar-footer {
        padding: 10px;
    }

    .sidebar-info {
        display: none; /* 横屏时隐藏底部信息以节省空间 */
    }
}

/* ========== 透明度模式优化 ========== */

/* 闲置模式下的侧边栏样式 */
body.idle-mode .sidebar {
    /* 保持可见性，不随body透明度变化 */
    opacity: 1;
    transition: opacity 0.3s ease-in-out;
}