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

body {
    font-family: 'Source Sans 3', sans-serif;
    background-color: #f5f5f5;
    height: 100vh;
    display: flex;
    flex-direction: column;
}

.navbar {
    background-color: #FFD700;
    border-bottom: 1px solid #e0e0e0;
    padding: 0 20px;
    display: flex;
    align-items: center;
    height: 70px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
}

.nav-left {
    display: flex;
    align-items: center;
    gap: 30px;
}

.logo-link {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.nav-logo {
    height: 40px;
    width: auto;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 20px;
}

.nav-links a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    font-size: 14px;
    transition: color 0.3s;
}

.nav-links a:hover:not(.disabled) {
    color: #0066cc;
}

.nav-links a.disabled {
    opacity: 0.6;
    cursor: not-allowed;
    pointer-events: none;
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 15px;
}

.nav-btn {
    padding: 8px 16px;
    background-color: white;
    border: 1px solid #ddd;
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s;
}

.nav-btn:hover:not(.disabled) {
    background-color: #f0f0f0;
    border-color: #0066cc;
}

.nav-btn.disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.container {
    flex: 1;
    display: flex;
    width: 100%;
    overflow: hidden;
}

#blocklyDiv {
    flex: 1;
    width: 100%;
    height: 100%;
    background-size: 40px 40px;
    background-position: 0 0;
}