body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    margin: 0;
    background-color: #f8f9fa;
}

.container {
    width: 90%;
    max-width: 1000px;
    margin: auto;
}

header {
    background: #1a2a3a;
    color: #ffffff;
    padding: 30px 0;
    border-bottom: #3498db 5px solid;
}

.header-flex {
    display: flex;
    align-items: center;
    gap: 40px;
}

.workshop-logo {
    width: 200px;
    height: 200px;
    object-fit: contain;
    background: white;
    padding: 10px;
    border-radius: 8px;
}

header h1 {
    margin: 0;
    font-size: 2.5em;
}

.subtitle {
    font-size: 1.3em;
    color: #3498db;
    margin: 5px 0;
}

.lab-name {
    font-size: 1.1em;
    opacity: 0.8;
}

.schedule-section {
    padding: 40px 0;
}

.tabs {
    display: flex;
    justify-content: flex-start;
    border-bottom: 2px solid #ddd;
}

.tab-link {
    background: none;
    border: none;
    padding: 15px 30px;
    cursor: pointer;
    font-size: 1.1em;
    font-weight: bold;
    color: #777;
    transition: 0.3s;
}

.tab-link.active {
    color: #1a2a3a;
    border-bottom: 4px solid #3498db;
}

.tab-content {
    display: none;
    background: white;
    padding: 30px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
    border-radius: 0 0 8px 8px;
}

.tab-content.active {
    display: block;
}

.schedule-table {
    width: 100%;
    border-collapse: collapse;
}

.schedule-table th, .schedule-table td {
    padding: 18px;
    border-bottom: 1px solid #eee;
    text-align: left;
}

.schedule-table th {
    background-color: #f1f4f6;
    color: #1a2a3a;
    text-transform: uppercase;
    font-size: 0.9em;
}

.schedule-table td:first-child {
    font-weight: bold;
    color: #3498db;
    width: 30%;
}

footer {
    text-align: center;
    padding: 30px;
    background: #1a2a3a;
    color: white;
    margin-top: 50px;
}
