/* 移动端侧滑抽屉样式 - 独立文件，避免与现有样式冲突 */

/* 遮罩层 */
.drawer-overlay {
    position: fixed;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 9998;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.drawer-overlay.drawer-open {
    opacity: 1;
    visibility: visible;
}

/* 侧滑抽屉主体 */
.mobile-drawer {
    position: fixed;
    top: 0;
    left: 0;
    height: 100%;
    width: 320px;
    max-width: 85vw;
    background-color: #1f2937; /* gray-800 */
    border-right: 1px solid #374151; /* gray-700 */
    z-index: 9999;
    transform: translateX(-100%);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    overflow-y: auto;
    display: flex;
    flex-direction: column;
}

.mobile-drawer.drawer-open {
    transform: translateX(0);
}

/* 抽屉头部 */
.drawer-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem;
    border-bottom: 1px solid #374151;
    background-color: #111827; /* gray-900 */
    flex-shrink: 0;
}

.drawer-logo {
    display: flex;
    align-items: center;
}

.drawer-logo img {
    height: 1.5rem;
    width: auto;
}

.drawer-logo-text {
    margin-left: 0.5rem;
    font-size: 1.125rem;
    font-weight: 700;
    color: #f97316; /* orange-500 */
}

.drawer-close-btn {
    padding: 0.5rem;
    border-radius: 0.375rem;
    background: transparent;
    border: none;
    color: #e5e7eb;
    cursor: pointer;
    transition: background-color 0.2s;
}

.drawer-close-btn:hover {
    background-color: #374151;
}

.drawer-close-btn svg {
    width: 1.25rem;
    height: 1.25rem;
}

/* 抽屉内容区域 */
.drawer-content {
    flex: 1;
    padding: 1rem;
    overflow-y: auto;
}

/* 菜单项 */
.drawer-menu-item {
    display: block;
    padding: 0.75rem 1rem;
    border-radius: 0.5rem;
    color: white;
    text-decoration: none;
    transition: background-color 0.2s;
    margin-bottom: 0.25rem;
}

.drawer-menu-item:hover {
    background-color: #374151;
}

.drawer-menu-item i {
    width: 1rem;
    margin-right: 0.75rem;
}

/* 分隔线 */
.drawer-divider {
    margin: 0.75rem 0;
    border-top: 1px solid #374151;
}

/* 折叠菜单 */
.drawer-collapse {
    margin-bottom: 0.25rem;
}

.drawer-collapse-btn {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1rem;
    border-radius: 0.5rem;
    background: transparent;
    border: none;
    color: white;
    cursor: pointer;
    transition: background-color 0.2s;
    text-align: left;
}

.drawer-collapse-btn:hover {
    background-color: #374151;
}

.drawer-collapse-btn i {
    width: 1rem;
    margin-right: 0.75rem;
}

.drawer-collapse-icon {
    width: 1rem;
    height: 1rem;
    transition: transform 0.2s;
}

.drawer-collapse-icon.drawer-collapsed {
    transform: rotate(0deg);
}

.drawer-collapse-icon.drawer-expanded {
    transform: rotate(180deg);
}

/* 折叠内容 */
.drawer-collapse-content {
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transition: max-height 0.3s ease, opacity 0.3s ease, margin-top 0.3s ease;
    margin-left: 1.5rem;
}

.drawer-collapse-content.drawer-expanded {
    max-height: 1000px;
    opacity: 1;
    margin-top: 0.25rem;
}

.drawer-collapse-content a {
    display: block;
    padding: 0.625rem 1rem;
    border-radius: 0.5rem;
    color: #d1d5db; /* gray-300 */
    text-decoration: none;
    font-size: 0.875rem;
    transition: all 0.2s;
    margin-bottom: 0.25rem;
}

.drawer-collapse-content a:hover {
    background-color: #374151;
    color: white;
}

.drawer-collapse-content a i {
    width: 1rem;
    margin-right: 0.75rem;
    color: #f97316;
}

/* 抽屉底部 */
.drawer-footer {
    padding: 1rem;
    border-top: 1px solid #374151;
    background-color: #111827;
    flex-shrink: 0;
}

.drawer-footer-btn {
    width: 100%;
    padding: 0.75rem 1rem;
    border-radius: 0.5rem;
    background-color: #374151;
    border: none;
    color: white;
    cursor: pointer;
    transition: background-color 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.drawer-footer-btn:hover {
    background-color: #4b5563;
}

.drawer-footer-btn svg {
    width: 1.25rem;
    height: 1.25rem;
    margin-right: 0.5rem;
}

/* 响应式调整 */
@media (max-width: 640px) {
    .mobile-drawer {
        width: 280px;
    }
}

/* 防止背景滚动 */
body.drawer-no-scroll {
    overflow: hidden;
}