/* Intelicampus Lab Styles */
/* Clean, modern design for the lab interface */

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8fafc;
}

/* Header */
.lab-header {
    background: white;
    border-bottom: 1px solid #e2e8f0;
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo h1 {
    font-size: 1.5rem;
    font-weight: 600;
    color: #1e40af;
}

.logo p {
    font-size: 0.875rem;
    color: #6b7280;
    margin-top: 0.25rem;
}

.auth-controls {
    display: flex;
    align-items: center;
    gap: 1rem;
}

/* Buttons */
.btn {
    padding: 0.5rem 1rem;
    border: none;
    border-radius: 0.375rem;
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
    transition: all 0.2s;
}

.btn-primary {
    background-color: #1e40af;
    color: white;
}

.btn-primary:hover {
    background-color: #1e3a8a;
}

.btn-secondary {
    background-color: #6b7280;
    color: white;
}

.btn-secondary:hover {
    background-color: #4b5563;
}

/* Main Content */
.lab-main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

.hero {
    text-align: center;
    margin-bottom: 3rem;
}

.hero-content h2 {
    font-size: 2.25rem;
    font-weight: 700;
    color: #1f2937;
    margin-bottom: 1rem;
}

.hero-content p {
    font-size: 1.125rem;
    color: #6b7280;
    max-width: 600px;
    margin: 0 auto;
}

/* Tools Section */
.tools h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 2rem;
    text-align: center;
}

.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.tool-card {
    background: white;
    padding: 2rem;
    border-radius: 0.75rem;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    border: 1px solid #e5e7eb;
    transition: all 0.2s;
}

.tool-card:hover {
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transform: translateY(-2px);
}

.tool-card h4 {
    font-size: 1.25rem;
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 1rem;
}

.tool-card p {
    color: #6b7280;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

/* User Info */
#userInfo {
    color: #1f2937;
    font-weight: 500;
}

/* Responsive */
@media (max-width: 768px) {
    .header-container {
        padding: 0 1rem;
        flex-direction: column;
        gap: 1rem;
    }
    
    .lab-main {
        padding: 1rem;
    }
    
    .hero-content h2 {
        font-size: 1.875rem;
    }
    
    .tools-grid {
        grid-template-columns: 1fr;
    }
}