:root {
    --bg-color: #121212;
    --bg-secondary: #1e1e1e;
    --text-color: #00ffd5;
    --text-muted: #008b8b;
    --border-color: #2a2a2a;
    --hover-color: #2d2d2d;
    --category-color: #004d40;
    --tag-bg: #1a3635;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Monaco', 'Consolas', monospace;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
}

.container {
    display: flex;
    flex-direction: column;
    height: 100vh;
    padding: 1rem;
}

/* New top bar styles */
.top-bar {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
}

.search-container {
    flex: 1;
    position: relative;
}

.add-button {
    padding: 0.8rem 1.5rem;
    background-color: var(--category-color);
    border: none;
    color: var(--text-color);
    border-radius: 4px;
    cursor: pointer;
    font-family: inherit;
    font-size: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.2s ease;
}

.add-button:hover {
    background-color: var(--text-color);
    color: var(--bg-color);
}

/* Original styles */
#search {
    width: 100%;
    padding: 0.8rem;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-color);
    border-radius: 4px;
    font-size: 1rem;
}

#search:focus {
    outline: none;
    border-color: var(--text-color);
    box-shadow: 0 0 5px rgba(0, 255, 213, 0.3);
}

.main-content {
    display: flex;
    flex: 1;
    gap: 1rem;
    overflow: hidden;
}

.explorer {
    flex: 0 0 400px;
    background-color: var(--bg-secondary);
    border-radius: 4px;
    padding: 1rem;
    overflow-y: auto;
}

.preview {
    flex: 1;
    background-color: var(--bg-secondary);
    border-radius: 4px;
    padding: 1rem;
    overflow-y: auto;
    min-width: 0; /* Important for text wrapping */
}

/* Category styles */
.category {
    margin-bottom: 0.5rem;
}

.category-header {
    padding: 0.5rem;
    background-color: var(--category-color);
    border-radius: 4px;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.category-toggle {
    font-size: 0.8em;
    transition: transform 0.2s ease;
    flex-shrink: 0;
}

.category-name {
    color: var(--text-color);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.category-content {
    margin-left: 1rem;
    padding-top: 0.5rem;
}

.category-content.hidden {
    display: none;
}

.tree-item {
    padding: 0.5rem;
    margin: 0.2rem 0;
    cursor: pointer;
    border-radius: 3px;
    transition: all 0.2s ease;
    border-left: 2px solid transparent;
}

.tree-item:hover {
    background-color: var(--hover-color);
    border-left-color: var(--text-color);
}

.tree-item.active {
    background-color: var(--hover-color);
    border-left-color: var(--text-color);
}

.item-title {
    display: block;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    color: var(--text-color);
    margin-bottom: 0.2rem;
}

/* Preview styles */
.preview-container {
    padding: 1rem;
    background-color: var(--bg-color);
    border-radius: 4px;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.preview-title {
    font-size: 1.5rem;
    font-weight: bold;
    margin-bottom: 1.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border-color);
    word-wrap: break-word;
    overflow-wrap: break-word;
    line-height: 1.3;
}

.preview-metadata {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-bottom: 2rem;
    line-height: 1.4;
}

.metadata-item {
    margin-bottom: 0.3rem;
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
}

.metadata-label {
    color: var(--text-color);
    min-width: 50px;
    flex-shrink: 0;
    opacity: 0.8;
}

.metadata-content {
    flex: 1;
    min-width: 0;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.tags-container {
    display: flex;
    flex-wrap: wrap;
    gap: 0.3rem;
}

.tag {
    background-color: var(--tag-bg);
    padding: 0.1rem 0.4rem;
    border-radius: 3px;
    font-size: 0.75rem;
    white-space: nowrap;
    cursor: pointer;
    transition: all 0.2s ease;
}

.tag:hover {
    background-color: var(--text-color);
    color: var(--bg-color);
}

.links-container {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.preview-link {
    color: var(--text-color);
    text-decoration: none;
    padding: 0.2rem 0.4rem;
    background-color: var(--tag-bg);
    border-radius: 3px;
    font-size: 0.8rem;
    white-space: nowrap;
}

.preview-link:hover {
    text-decoration: underline;
}

.preview-content-text {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

.content-label {
    font-size: 1.1rem;
    color: var(--text-color);
    margin-bottom: 0.5rem;
}

.content-text {
    color: var(--text-muted);
    line-height: 1.6;
    word-wrap: break-word;
    overflow-wrap: break-word;
    white-space: pre-line;
}

/* Autocomplete styles */
.autocomplete-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    margin-top: 4px;
    max-height: 200px;
    overflow-y: auto;
    z-index: 1000;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
}

.autocomplete-item {
    padding: 0.5rem 1rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
    transition: all 0.2s ease;
}

.autocomplete-item:hover,
.autocomplete-item.selected {
    background-color: var(--hover-color);
}

.autocomplete-item .item-text {
    color: var(--text-color);
}

.autocomplete-item .item-type {
    color: var(--text-muted);
    font-size: 0.8em;
    padding: 0.1rem 0.3rem;
    background-color: var(--tag-bg);
    border-radius: 3px;
}

.autocomplete-item .match-highlight {
    color: var(--text-color);
    font-weight: bold;
}

/* Scrollbar styling */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-color);
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* Search highlight */
.highlight {
    background-color: rgba(0, 255, 213, 0.2);
    border-radius: 2px;
}

/* Welcome page styles */
.welcome-page .preview-title {
    font-size: 2rem;
    text-align: center;
    margin-bottom: 2rem;
    color: var(--text-color);
    text-shadow: 0 0 10px rgba(0, 255, 213, 0.3);
}

.welcome-section {
    margin-bottom: 2.5rem;
    padding: 1.5rem;
    background-color: var(--bg-secondary);
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.welcome-section-title {
    font-size: 1.2rem;
    color: var(--text-color);
    margin-bottom: 1rem;
    font-weight: bold;
    letter-spacing: 0.5px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 1rem;
    margin-bottom: 1rem;
}

.stat-item {
    text-align: center;
    padding: 1rem;
    background-color: var(--bg-color);
    border-radius: 6px;
    transition: transform 0.2s ease;
}

.stat-item:hover {
    transform: translateY(-2px);
}

.stat-value {
    font-size: 1.8rem;
    color: var(--text-color);
    font-weight: bold;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.last-updated {
    text-align: right;
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 1rem;
}

.help-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

.help-item {
    padding: 1rem;
    background-color: var(--bg-color);
    border-radius: 6px;
}

.help-title {
    font-size: 1rem;
    color: var(--text-color);
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.help-content {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.4;
}

.welcome-tags-container {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

/* Media Queries */
@media (max-width: 768px) {
    .main-content {
        flex-direction: column;
    }

    .explorer {
        flex: 0 0 auto;
        max-height: 50vh;
    }

    .preview {
        flex: 1;
    }

    .container {
        height: auto;
        min-height: 100vh;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .help-grid {
        grid-template-columns: 1fr;
    }
}

/* Mobile first padding adjustments */
@media (max-width: 480px) {
    .container {
        padding: 0.5rem;
    }

    .explorer,
    .preview {
        padding: 0.5rem;
    }

    .preview-container {
        padding: 0.5rem;
    }

    .metadata-item {
        flex-direction: column;
        gap: 0.2rem;
    }

    .metadata-label {
        min-width: auto;
    }

    .tags-container {
        margin-top: 0.3rem;
    }

    .top-bar {
        flex-direction: column;
    }

    .add-button {
        width: 100%;
        justify-content: center;
    }
}