* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
}

body {
    background-color: #f3f4f6;
    color: #1f2937;
    display: flex;
    justify-content: center;
    padding: 40px 15px;
}

.container {
    width: 100%;
    max-width: 500px;
}

.header {
    margin-bottom: 30px;
}

.back-link {
    text-decoration: none;
    color: #6b7280;
    font-size: 0.9rem;
    font-weight: 500;
}

.header h1 {
    font-size: 2rem;
    margin-top: 10px;
    color: #111827;
}

/* Chia section */
.section {
    margin-bottom: 25px;
}

.section-title {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: #9ca3af;
    margin-bottom: 10px;
    padding-left: 5px;
}

/* Danh sách item */
.list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.item {
    background: white;
    text-decoration: none;
    color: #374151;
    padding: 16px 20px;
    border-radius: 12px;
    font-weight: 500;
    display: block;
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
    transition: all 0.2s ease;
    border: 1px solid #e5e7eb;
}

.item:hover {
    border-color: #3b82f6;
    color: #3b82f6;
    transform: scale(1.02);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.1);
}

/* Nhấn mạnh các bài quan trọng */
.item.primary {
    border-left: 4px solid #3b82f6;
}

.item.secondary {
    border-left: 4px solid #10b981;
}