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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    height: 100vh;
    padding: 1rem;
    color: #333;
    overflow: hidden;
}

.container {
    max-width: 1400px;
    height: 100%;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    padding: 0 2rem;
}

header {
    text-align: center;
    color: white;
    margin-bottom: 0.75rem;
}

header h1 {
    font-size: 1.5rem;
    margin-bottom: 0.25rem;
    font-weight: 700;
}

header p {
    font-size: 0.9rem;
    opacity: 0.95;
}

.levels-legend {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 0.75rem;
    flex-wrap: wrap;
}

.level-badge {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    background: rgba(255, 255, 255, 0.2);
    padding: 0.4rem 0.8rem;
    border-radius: 1rem;
    color: white;
    font-weight: 600;
    font-size: 0.85rem;
}

.level-number {
    background: white;
    color: #667eea;
    width: 1.5rem;
    height: 1.5rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.8rem;
}

.level-1 .level-number { color: #10b981; }
.level-2 .level-number { color: #f59e0b; }
.level-3 .level-number { color: #ef4444; }

.competencies-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-template-rows: auto;
    gap: 0.5rem;
    flex: 1;
    overflow: auto;
}

.competency-card {
    background: white;
    border-radius: 0.4rem;
    padding: 0.5rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    height: fit-content;
}

.competency-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);
}

.competency-header {
    margin-bottom: 0.35rem;
}

.competency-title {
    font-size: 1rem;
    font-weight: 700;
    color: #1f2937;
    margin-bottom: 0.2rem;
    line-height: 1.2;
}

.competency-id {
    display: none;
    background: #667eea;
    color: white;
    padding: 0.1rem 0.4rem;
    border-radius: 0.5rem;
    font-size: 0.65rem;
    font-weight: 600;
}

.levels-container {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
    flex: 1;
    overflow: hidden;
}

.level-item {
    padding: 0.35rem;
    border-radius: 0.3rem;
    border-left: 2px solid;
    background: #f9fafb;
    transition: background 0.2s ease;
    cursor: pointer;
    text-decoration: none;
    color: inherit;
    display: block;
    overflow: hidden;
}

.level-item:hover {
    background: #f3f4f6;
}

.level-item.acquire {
    border-left-color: #10b981;
}

.level-item.deepen {
    border-left-color: #f59e0b;
}

.level-item.create {
    border-left-color: #ef4444;
}

.level-header {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    margin-bottom: 0.2rem;
}

.level-number-small {
    width: 1rem;
    height: 1rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.6rem;
    font-weight: 700;
    color: white;
    flex-shrink: 0;
}

.level-item.acquire .level-number-small {
    background: #10b981;
}

.level-item.deepen .level-number-small {
    background: #f59e0b;
}

.level-item.create .level-number-small {
    background: #ef4444;
}

.level-title {
    font-weight: 600;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.level-description {
    font-size: 0.8rem;
    line-height: 1.3;
    color: #4b5563;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

@media (max-width: 768px) {
    body {
        padding: 1rem;
    }

    header h1 {
        font-size: 1.75rem;
    }

    header p {
        font-size: 1rem;
    }

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

    .levels-legend {
        gap: 1rem;
    }

    .level-badge {
        padding: 0.5rem 1rem;
    }
}