* {
    box-sizing: border-box;
}

body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
}

header {
    background-color: #2c3e50;
    color: white;
    padding: 20px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

h1 {
    margin: 0;
}

h2 {
    color: #333;
}

.container {
    display: flex;
    gap: 20px;
    padding: 20px;
    max-width: 1400px;
    margin: 0 auto;
}

.sidebar {
    flex: 0 0 250px;
    background-color: #f8f9fa;
    border: 1px solid #ddd;
    border-radius: 4px;
    padding: 15px;
    height: fit-content;
    overflow-y: auto;
}

.sidebar h2 {
    margin: 0 0 15px 0;
    font-size: 18px;
}

.issue-search {
    width: 100%;
    margin-bottom: 12px;
    padding: 6px 8px;
    border: 1px solid #c8c8c8;
    border-radius: 4px;
    font-size: 13px;
}

.issue-search:focus {
    outline: 2px solid #9ec5fe;
    outline-offset: 1px;
    border-color: #6ea8fe;
}

.issue-filters {
    display: flex;
    gap: 10px;
    margin-bottom: 10px;
    font-size: 13px;
}

.issue-filters label {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    cursor: pointer;
    user-select: none;
}

.issue-filters input[type="checkbox"] {
    width: 14px;
    height: 14px;
    margin: 0;
}

.content {
    flex: 1;
    min-width: 0;
}

#product-tree {
    font-size: 14px;
    line-height: 1.4;
}

.tree-item {
    margin: 1px 0;
}

.tree-item > label {
    display: inline-flex;
    align-items: center;
    padding: 2px 0;
}

/* Keep label text aligned whether or not a node has a toggle icon. */
.tree-item:not(.parent) > label {
    margin-left: 18px;
}

.tree-item.parent > label {
    font-weight: 500;
}

.tree-toggle {
    cursor: pointer;
    user-select: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 16px;
    height: 1.4em;
    margin-right: 2px;
    flex-shrink: 0;
    vertical-align: middle;
}

.tree-children {
    margin-left: 16px;
    max-height: 1000px;
    overflow: hidden;
    transition: max-height 0.3s ease, opacity 0.3s ease;
    opacity: 1;
}

.tree-children .tree-children {
    margin-left: 33px;
}

.tree-children.collapsed {
    max-height: 0;
    opacity: 0;
    overflow: hidden;
}

.tree-item input[type="checkbox"] {
    cursor: pointer;
    margin-right: 4px;
    flex-shrink: 0;
    width: 16px;
    height: 16px;
}

.tree-item input[type="checkbox"]:indeterminate {
    accent-color: #f39c12;
}

.tree-item label {
    cursor: pointer;
    user-select: none;
}

.tree-item label:hover {
    color: #2c3e50;
}

#issues {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

#issues h2 {
    margin: 0 0 10px 0;
    border-bottom: 2px solid #2c3e50;
    padding-bottom: 8px;
}

.issue-count {
    color: #5b6b7a;
    font-weight: 500;
    font-size: 0.9em;
}

ul {
    list-style-type: none;
    padding: 0;
    margin: 0;
}

#addressed-issues {
    overflow-x: auto;
}

.issues-table {
    width: 100%;
    border-collapse: collapse;
    border: 1px solid #ddd;
    background-color: #fff;
    font-size: 14px;
}

.issues-table th,
.issues-table td {
    border: 1px solid #ddd;
    padding: 8px 10px;
    text-align: left;
    vertical-align: top;
}

.issues-table th {
    background-color: #eef3f7;
    color: #22313f;
    position: sticky;
    top: 0;
    z-index: 1;
}

.issues-table tbody tr:hover {
    background-color: #f7fbff;
}

.issues-table .issue-id-col {
    width: 160px;
    white-space: nowrap;
    font-weight: 600;
}

.issues-table .issue-version-col {
    width: 180px;
}

li {
    padding: 10px;
    border: 1px solid #ddd;
    margin: 5px 0;
    border-radius: 4px;
    background-color: #fafafa;
}

li:hover {
    background-color: #f0f0f0;
}