:root {
    --sidebar-width: 300px;
    --navbar-height: 56px;
}

body {
    background-color: #f8f9fa;
    overflow-x: hidden;
}

.navbar {
    z-index: 1030;
    height: var(--navbar-height); /* 明确设置导航栏高度 */
}

#sidebar {
    position: fixed;
    top: calc(var(--navbar-height) + 16px);
    bottom: 16px;
    left: 16px;
    width: var(--sidebar-width);
    background-color: #fff;
    border: 1px solid #dee2e6;
    border-radius: 0.75rem;
    box-shadow: 0 0.5rem 1.5rem rgba(0,0,0,.1);
    transition: transform 0.3s ease-in-out;
    z-index: 1020;
    display: flex;
    flex-direction: column;
}

body.sidebar-collapsed #sidebar {
    transform: translateX(calc(-100% - 32px));
}

#note-list-container {
    flex-grow: 1;
    overflow-y: auto;
}

#note-list .list-group-item {
    cursor: pointer;
    border-radius: 0.5rem !important;
    margin-bottom: 4px;
    border: none;
}

#main-content {
    padding-top: var(--navbar-height); /* 调整为导航栏高度 */
    height: 100vh;
    margin-left: calc(var(--sidebar-width) + 32px);
    transition: margin-left 0.3s ease-in-out;
    display: flex; /* 使用flex布局 */
    flex-direction: column;
}

body.sidebar-collapsed #main-content {
    margin-left: 64px;
}

/* 内容容器，添加内边距并允许滚动 */
#content-container {
    flex-grow: 1;
    padding: 16px;
    overflow-y: auto;
}

.sidebar-toggler {
    position: fixed;
    top: 50%;
    transform: translateY(-50%);
    z-index: 1021;
    width: 28px;
    height: 48px;
    border: 1px solid #dee2e6;
    background-color: #fff;
    color: #6c757d;
    font-size: 1.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
}
.sidebar-toggler:hover {
    background-color: #e9ecef;
    color: #000;
}

#hide-sidebar-btn {
    left: calc(var(--sidebar-width) + 16px);
    border-top-right-radius: 14px;
    border-bottom-right-radius: 14px;
    border-left: none;
}
body.sidebar-collapsed #hide-sidebar-btn {
    opacity: 0;
    pointer-events: none;
}

#show-sidebar-btn {
    left: 0;
    border-top-right-radius: 14px;
    border-bottom-right-radius: 14px;
    border-left: none;
    opacity: 0;
    pointer-events: none;
}
body.sidebar-collapsed #show-sidebar-btn {
    opacity: 1;
    pointer-events: auto;
}

.note-link { color: var(--bs-primary); text-decoration: underline; cursor: pointer; font-weight: 600; }
.note-link-broken { color: var(--bs-danger); text-decoration: line-through; cursor: not-allowed; }

@media (max-width: 768px) {
    :root {
        --sidebar-width: 250px;
    }
    #sidebar {
        box-shadow: 0 0.5rem 3rem rgba(0,0,0,.25);
    }
    #main-content {
        margin-left: 16px !important;
        margin-right: 16px !important;
    }
    .sidebar-toggler {
        top: 50%;
    }
}


/* 添加文本区域样式 */
#note-content-textarea {
    min-height: 300px;
    height: 100%;
    resize: vertical;
    overflow-y: auto;
}