.kanji-detail {
    position: absolute;
    width: 300px;
    background-color: var(--bg-secondary);
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
    padding: 20px;
    display: none;
    z-index: 100;
    color: var(--text-primary);
    max-height: 400px;
    overflow-y: auto;
    /* Ensure solid background */
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    /* Custom scrollbar */
    scrollbar-width: thin;
    scrollbar-color: var(--border-color) var(--bg-secondary);
}

/* Close button for kanji detail panel */
.close-btn {
    position: absolute;
    top: 10px;
    right: 10px;
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: background-color 0.2s;
    background-color: rgba(0, 0, 0, 0.1);
    z-index: 10;
}

.close-btn:hover {
    background-color: rgba(0, 0, 0, 0.2);
    color: var(--text-primary);
}

/* Custom scrollbar for webkit browsers */
.kanji-detail::-webkit-scrollbar {
    width: 6px;
}

.kanji-detail::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

.kanji-detail::-webkit-scrollbar-thumb {
    background-color: var(--border-color);
    border-radius: 6px;
}

.kanji-detail.active {
    display: block;
}

.kanji-detail h2 {
    font-size: 3.5rem;
    margin: 0 1rem 0 0;
    color: var(--primary-color);
}

.kanji-detail .furigana {
    font-size: 1.2rem;
    color: var(--text-secondary);
    align-self: center;
}

.kanji-detail .meaning {
    font-size: 1.4rem;
    margin-bottom: 0.5rem;
    color: #4285f4;
    font-weight: 600;
    padding: 0.5rem;
    border-left: 4px solid var(--primary-color);
    background-color: rgba(255, 149, 0, 0.05);
}

.kanji-meta {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.jlpt-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background-color: rgba(138, 86, 232, 0.2);
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
    border-radius: 4px;
    font-size: 0.85rem;
    font-weight: 600;
}

.kanji-detail .etymology {
    font-size: 1rem;
    line-height: 1.6;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.kanji-detail .related {
    margin-top: 1.5rem;
}

.kanji-detail .related h4 {
    font-size: 1rem;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
}

.kanji-highlight {
    color: var(--primary-color);
    font-weight: bold;
}

.clickable {
    cursor: pointer;
    transition: all 0.2s ease;
}

.clickable:hover {
    background-color: rgba(138, 86, 232, 0.4);
    color: #fff;
}

.related-kanji {
    display: inline-block;
    padding: 5px 10px;
    background-color: var(--bg-secondary);
    border-radius: 4px;
    font-size: 1.5rem;
    margin: 5px 0.5rem 5px 5px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.related-kanji:hover {
    color: var(--primary-color);
}

.kanji-highlight {
    background-color: rgba(138, 86, 232, 0.2);
    border-radius: 4px;
    padding: 2px 4px;
    margin: 0 2px;
}

/* Split screen layout styles */
.kanji-etymology-page {
    display: flex;
    flex-direction: column;
    height: 100vh;
    margin: 0;
    padding: 0;
    overflow: hidden;
}

.compact-header {
    background-color: var(--bg-primary);
    padding: 0.5rem 0;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    height: 50px;
    min-height: 50px;
    z-index: 1000;
    flex-shrink: 0; /* Prevent header from shrinking */
}

.compact-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
    width: 100%;
    padding: 0;
}

.compact-header .logo {
    height: 35px;
    display: flex;
    align-items: center;
    margin-left: 1rem;
}

.compact-header .logo-image {
    height: 100%;
    width: auto;
    max-height: 35px;
}

.compact-header nav ul {
    margin: 0 1rem 0 0;
    padding: 0;
}

.compact-header nav ul li {
    list-style: none;
}

.compact-footer {
    background-color: var(--bg-primary);
    padding: 0.5rem 0;
    text-align: center;
    height: 30px;
    min-height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    flex-shrink: 0; /* Prevent footer from shrinking */
}

.compact-footer p {
    margin: 0;
    font-size: 0.8rem;
}

.split-layout {
    display: flex;
    height: calc(100vh - 80px); /* Viewport height minus header and footer */
    width: 100%;
    box-sizing: border-box;
    min-height: 0; /* Prevent overflow */
    overflow: hidden; /* Prevent content from pushing footer down */
}

.split-left {
    flex: 3;
    position: relative;
    overflow: hidden;
    box-sizing: border-box;
}

.split-right {
    flex: 1;
    min-width: 300px;
    max-width: 400px;
    background-color: var(--bg-secondary);
    border-left: 1px solid var(--border-color);
    position: relative;
    overflow: hidden; /* Changed from overflow-y: auto to prevent double scrollbars */
    display: flex;
    flex-direction: column;
    box-sizing: border-box;
}

/* Kanji detail container styling */
.kanji-detail-container {
    height: 100%;
    position: relative;
    overflow: hidden; /* Changed from overflow-y: auto to prevent double scrollbars */
    display: flex;
    flex-direction: column;
    flex: 1;
}

/* Update kanji detail panel for sidebar */
.kanji-detail {
    position: relative;
    width: 100%;
    box-shadow: none;
    border-radius: 0;
    padding: 1.5rem;
    background-color: var(--bg-secondary);
    overflow-y: auto; /* Keep this to allow scrolling within the detail panel */
    display: flex;
    flex-direction: column;
    height: 100%; /* Changed from auto to fill container */
    min-height: 100%;
    box-sizing: border-box; /* Ensure padding is included in width calculation */
}

/* Kanji detail header with kanji and readings side by side */
.kanji-header {
    display: flex;
    align-items: center;
}

/* Overview panel when no kanji is selected */
.kanji-overview {
    padding: 1.5rem;
    height: 100%;
    overflow-y: auto; /* Keep this to allow scrolling within the overview panel */
    display: flex;
    flex-direction: column;
    box-sizing: border-box; /* Ensure padding is included in width calculation */
}

.kanji-overview h2 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    font-size: 1.8rem;
}

.kanji-overview h3 {
    color: var(--text-secondary);
    margin: 1.5rem 0 0.8rem;
    font-size: 1.2rem;
}

/* Stats container */
.stats-container {
    display: flex;
    justify-content: space-around;
    margin: 2rem 0;
}

.stat-item {
    text-align: center;
}

.stat-value {
    display: block;
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--primary-color);
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* Category list */
.category-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 0.5rem;
}

.category-item {
    background-color: var(--bg-primary);
    padding: 0.3rem 0.8rem;
    border-radius: 4px;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* Random kanji list for exploration */
.random-kanji-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
    margin-top: 1rem;
}

.random-kanji {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    background-color: var(--bg-primary);
    border-radius: 8px;
    font-size: 2rem;
    cursor: pointer;
    transition: all 0.2s ease;
    color: var(--text-primary);
    position: relative;
    border: 2px solid rgba(108, 117, 125, 0.3);
    text-decoration: none;
}

.random-kanji:hover {
    background-color: var(--primary-color);
    color: var(--dark-bg);
    transform: scale(1.05);
}

/* Related kanji section */
.related {
    margin-top: 2rem;
}

.related h4 {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

#relatedKanji {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
    min-height: 40px; /* Add minimum height to prevent layout shift */
}

/* Override container max-width for kanji etymology page */
.kanji-etymology-page .container {
    max-width: none;
    width: 100%;
}

/* Ensure scrollbars are styled consistently */
.split-right::-webkit-scrollbar {
    width: 6px;
}

.split-right::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

.split-right::-webkit-scrollbar-thumb {
    background-color: var(--border-color);
    border-radius: 6px;
}

/* Media query for smaller screens */
@media (max-width: 768px) {
    .compact-header {
        padding: 0.75rem 0;
    }

    .split-layout {
        flex-direction: column;
    }

    .split-left {
        flex: none;
        width: 100%;
        max-width: none;
        height: 65%; /* Give more space to graph */
    }

    .split-right {
        flex: none;
        width: 100%;
        max-width: none;
        height: 35%; /* Reduce bottom sheet height */
        border-left: none;
        border-top: 1px solid var(--border-color);
    }
}