* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: #f5f5f5;
    color: #2c3e50;
    overflow: hidden; /* Sayfa kaymasını önler */
}

/* Navigasyon Menüsü */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 10%;
    background-color: #ffffff;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
    height: 70px;
}

.navbar .logo {
    font-size: 20px;
    font-weight: 700;
    color: #1a1a1a;
}

.nav-links {
    list-style: none;
    display: flex;
}

.nav-links li {
    margin-left: 25px;
}

.nav-links a {
    text-decoration: none;
    color: #666;
    font-weight: 500;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: #1a1a1a;
}

/* Ekranı İkiye Bölen Kısım */
.app-container {
    display: flex;
    height: calc(100vh - 70px);
}

/* Sol Taraf: 3D Ekranı */
#canvas-container {
    flex: 3;
    background-color: #dddddd;
    position: relative;
}

/* Sağ Taraf: Buton Paneli */
.control-panel {
    flex: 1;
    background-color: #ffffff;
    padding: 30px;
    box-shadow: -2px 0 10px rgba(0,0,0,0.05);
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.control-panel h2 {
    font-size: 22px;
    color: #1a1a1a;
}

.control-panel p {
    font-size: 14px;
    color: #777;
}

.option-group h3 {
    font-size: 15px;
    margin-bottom: 10px;
    color: #555;
}

/* Şık Butonlar */
.mat-btn {
    display: block;
    width: 100%;
    padding: 12px;
    margin-bottom: 10px;
    background-color: #f8f9fa;
    border: 1px solid #ddd;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.2s ease;
    text-align: center;
}

.mat-btn:hover {
    background-color: #1a1a1a;
    color: white;
    border-color: #1a1a1a;
}