body {
    margin: 0;
    background: #0f0f0f;
    color: #fff;
    font-family: Arial, sans-serif;
}

.container {
    max-width: 900px;
    margin: 120px auto 40px auto;
    padding: 20px;
}

/* TOOL BOX */
.tool-box {
    background: #151515;
    padding: 20px;
    margin-bottom: 30px;
    border-radius: 8px;
}

/* NAVIGATION */
nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: #111;
    padding: 12px;
    display: flex;
    align-items: center;
    z-index: 9999;
}

.hamburger {
    background: none;
    border: none;
    color: white;
    font-size: 32px;
    cursor: pointer;
    margin-right: 15px;
}

.site-title {
    font-size: 20px;
    margin: 0;
}

/* MENU PANEL */
#menu-panel {
    position: fixed;
    top: 0;
    right: 0;
    width: 260px;
    height: 100vh;
    background: #111;
    transform: translateX(100%);
    transition: transform 0.25s ease;
    padding: 20px;
    z-index: 10000;
}

#menu-panel.open {
    transform: translateX(0);
}

.close-btn {
    background: none;
    border: none;
    color: white;
    font-size: 32px;
    cursor: pointer;
    float: right;
}

.menu-links {
    list-style: none;
    padding: 0;
    margin-top: 60px;
}

.menu-links li {
    margin: 20px 0;
}

.menu-links a {
    color: #fff;
    text-decoration: none;
    font-size: 20px;
}

footer {
    text-align: center;
    padding: 20px;
    color: #777;
}