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

body {
    background-color: #f4f7f6;
    color: #333;
    line-height: 1.6;
    padding: 20px;
}

.container {
    max-width: 800px;
    margin: 0 auto;
}

/* Header Styling */
.profile-card {
    background: #fff;
    padding: 30px;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
    margin-bottom: 30px;
}

.profile-card h1 {
    color: #2c3e50;
    margin-bottom: 5px;
}

.reg-num {
    color: #7f8c8d;
    margin-bottom: 15px;
}

.info-grid {
    display: flex;
    justify-content: space-around;
    font-size: 0.9rem;
    color: #555;
}

hr {
    border: 0;
    height: 1px;
    background: #ddd;
    margin-bottom: 30px;
}

/* Lab Grid Styling */
.lab-section h2 {
    margin-bottom: 20px;
    color: #2c3e50;
}

.lab-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}

.lab-card {
    background: #fff;
    padding: 20px;
    border-radius: 8px;
    border-left: 5px solid #3498db;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
}

.lab-card h3 {
    margin-bottom: 10px;
    font-size: 1.1rem;
}

.lab-card p {
    font-size: 0.85rem;
    color: #666;
    margin-bottom: 15px;
}

/* Buttons */
.links {
    display: flex;
    gap: 10px;
}

.btn {
    text-decoration: none;
    font-size: 0.8rem;
    padding: 8px 15px;
    border-radius: 5px;
    background: #3498db;
    color: white;
    transition: 0.3s;
}

.btn.secondary {
    background: #ececec;
    color: #333;
}

.btn:hover {
    opacity: 0.8;
}


/* Detail Page Styling */
.detail-container {
    max-width: 900px;
    margin: 40px auto;
    background: #fff;
    padding: 40px;
    border-radius: 12px;
}

h2 {
    border-bottom: 2px solid #3498db;
    padding-bottom: 10px;
    margin: 30px 0 15px;
    font-size: 1.4rem;
}

.box {
    background: #f9f9f9;
    padding: 20px;
    border-radius: 8px;
    border: 1px solid #eee;
    margin-bottom: 30px;
}



.btn-large {
    display: block;
    text-align: center;
    background: #27ae60;
    color: white;
    padding: 15px;
    text-decoration: none;
    border-radius: 8px;
    margin-top: 30px;
    font-weight: bold;
}