:root {
        --wiki-bg: #1a1a1a;
        --wiki-card-bg: #252525;
        --wiki-card-hover: #2f2f2f;
        --wiki-border: rgba(255, 255, 255, 0.1);
        --wiki-accent: #4FC3F7;
        --wiki-text: #ffffff;
        --wiki-text-muted: #aaaaaa;
        --wiki-gold: #ffd700;
    }
    .wiki-layout {
        display: grid;
        grid-template-columns: 280px 1fr;
        gap: 24px;
        padding: 24px;
        min-height: calc(100vh - 80px);
        max-width: 1600px;
        margin: 0 auto;
    }
    .wiki-sidebar {
        position: sticky;
        top: 24px;
        height: fit-content;
        display: flex;
        flex-direction: column;
        gap: 24px;
    }
    .back-btn {
        display: flex;
        align-items: center;
        gap: 8px;
        padding: 12px 16px;
        background: var(--wiki-card-bg);
        border: 1px solid var(--wiki-border);
        border-radius: 12px;
        color: var(--wiki-text);
        text-decoration: none;
        font-weight: 600;
        transition: all 0.2s;
    }
    .back-btn:hover {
        background: var(--wiki-card-hover);
        transform: translateX(-2px);
    }
    .sidebar-section h3 {
        margin: 0 0 12px 0;
        font-size: 14px;
        text-transform: uppercase;
        letter-spacing: 0.05em;
        color: var(--wiki-text-muted);
    }
    .search-box {
        position: relative;
    }
    .search-icon {
        position: absolute;
        left: 12px;
        top: 50%;
        transform: translateY(-50%);
        color: var(--wiki-text-muted);
        pointer-events: none;
    }
    .search-box input {
        width: 100%;
        padding: 12px 12px 12px 40px;
        background: var(--wiki-card-bg);
        border: 1px solid var(--wiki-border);
        border-radius: 12px;
        color: var(--wiki-text);
        font-size: 16px;
        transition: all 0.2s;
        box-sizing: border-box;
    }
    .search-box input:focus {
        border-color: var(--wiki-accent);
        background: var(--wiki-card-hover);
        outline: none;
        box-shadow: 0 0 0 2px rgba(79, 195, 247, 0.2);
    }
    .wiki-content {
        display: flex;
        flex-direction: column;
        gap: 24px;
    }
    .skilltree-container {
        display: flex;
        flex-direction: column;
        gap: 24px;
    }
    .level-card {
        background: var(--wiki-card-bg);
        border: 1px solid var(--wiki-border);
        border-radius: 16px;
        padding: 24px;
        display: flex;
        gap: 32px;
        align-items: flex-start;
    }
    .level-header {
        display: flex;
        flex-direction: column;
        align-items: center;
        text-align: center;
        gap: 16px;
        min-width: 140px;
        padding-right: 32px;
        border-right: 1px solid var(--wiki-border);
    }
    .level-icon-wrapper {
        width: 80px;
        height: 80px;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    .level-icon {
        width: 100%;
        height: 100%;
        object-fit: contain;
        filter: drop-shadow(0 0 10px rgba(255, 215, 0, 0.3));
    }
    .level-title {
        margin: 0;
        font-size: 18px;
        font-weight: 700;
        color: var(--wiki-accent);
    }
    .level-exp {
        margin: 0;
        font-size: 14px;
        color: var(--wiki-text-muted);
    }
    .exp-value {
        color: var(--wiki-gold);
        font-weight: 700;
    }
    .skills-grid {
        flex: 1;
        display: flex;
        flex-wrap: wrap;
        gap: 16px;
    }
    .skill-card {
        background: rgba(0, 0, 0, 0.2);
        border: 1px solid var(--wiki-border);
        border-radius: 12px;
        padding: 12px;
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 12px;
        width: 100px;
        cursor: pointer;
        transition: all 0.2s;
    }
    .skill-card:hover {
        background: var(--wiki-card-hover);
        border-color: var(--wiki-accent);
        transform: translateY(-2px);
    }
    .skill-image {
        width: 48px;
        height: 48px;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    .skill-image img {
        max-width: 100%;
        max-height: 100%;
        object-fit: contain;
    }
    .skill-name {
        font-size: 12px;
        font-weight: 600;
        text-align: center;
        color: var(--wiki-text);
        line-height: 1.3;
    }
    .no-results {
        display: flex;
        align-items: center;
        justify-content: center;
        min-height: 300px;
        color: var(--wiki-text-muted);
    }
    .no-results-content {
        text-align: center;
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 16px;
    }
    .no-results h3 {
        margin: 0;
        font-size: 20px;
        color: var(--wiki-text);
    }
    @media (max-width: 900px) {
        .wiki-layout {
            grid-template-columns: 1fr;
            padding: 16px;
        }
        .wiki-sidebar {
            position: static;
        }
        .level-card {
            flex-direction: column;
            gap: 20px;
            padding: 20px;
        }
        .level-header {
            flex-direction: row;
            text-align: left;
            padding-right: 0;
            border-right: none;
            border-bottom: 1px solid var(--wiki-border);
            padding-bottom: 20px;
            width: 100%;
            justify-content: flex-start;
        }
        .level-icon-wrapper {
            width: 60px;
            height: 60px;
        }
        .skills-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(90px, 1fr));
            width: 100%;
        }
        .skill-card {
            width: auto;
        }
    }
    @media (max-width: 768px) {
        .back-btn {
            background: rgba(30, 39, 50, 0.6) !important;
            border: 1px solid rgba(51, 144, 236, 0.3) !important;
            color: #ffffff !important;
            box-shadow: none !important;
        }
        .back-btn:hover {
            background: rgba(51, 144, 236, 0.2) !important;
            border-color: rgba(51, 144, 236, 0.5) !important;
            transform: none !important;
        }
        .search-box input {
            background: rgba(30, 39, 50, 0.6) !important;
            border: 1px solid rgba(51, 144, 236, 0.3) !important;
            color: #ffffff !important;
            box-shadow: none !important;
        }
        .search-box input:focus {
            background: rgba(51, 144, 236, 0.1) !important;
            border-color: rgba(51, 144, 236, 0.5) !important;
            box-shadow: none !important;
        }
        .level-card {
            background: transparent !important;
            border: 1px solid rgba(51, 144, 236, 0.15) !important;
            box-shadow: none !important;
        }
        .skill-card {
            background: rgba(30, 39, 50, 0.6) !important;
            border: 1px solid rgba(51, 144, 236, 0.15) !important;
            box-shadow: none !important;
            transform: none !important;
        }
        .skill-card:hover {
            transform: none !important;
            box-shadow: none !important;
            border-color: rgba(51, 144, 236, 0.3) !important;
        }
    }