/* Button styles */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    font-size: 16px;
    font-weight: 500;
    line-height: 20px;
    white-space: nowrap;
    vertical-align: middle;
    cursor: pointer;
    user-select: none;
    border: 1px solid;
    border-radius: 8px;
    text-decoration: none;
    transition: all 0.3s ease;
}

.btn-primary {
    background: #0969da;
    color: #ffffff;
    font-weight: 600;
    border: 1px solid #1f6feb;
    box-shadow: 0 0 20px rgba(9, 105, 218, 0.3);
}

.btn-primary:hover {
    background: #1f6feb;
    color: #ffffff;
    transform: translateY(-1px);
    box-shadow: 0 4px 20px rgba(31, 111, 235, 0.4);
}

.btn-secondary {
    background: transparent;
    color: #58a6ff;
    border: 1px solid #30363d;
}

.btn-secondary:hover {
    background: #21262d;
    color: #58a6ff;
    border-color: #58a6ff;
}

.view-button {
    display: inline-block;
    background: #238636;
    color: #ffffff;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
    border: 1px solid #2ea043;
    transition: all 0.3s ease;
}

.view-button:hover {
    background: #2ea043;
    color: #ffffff;
    transform: translateY(-1px);
    box-shadow: 0 4px 20px rgba(46, 160, 67, 0.4);
}

/* PDF Download button styles */
.header-container {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.header-title {
    flex: 1;
}

.pdf-download-btn {
    background: #0969da;
    color: #ffffff;
    border: 1px solid #1f6feb;
    padding: 10px 15px;
    border-radius: 8px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    font-size: 14px;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: 0 0 20px rgba(9, 105, 218, 0.3);
}

.pdf-download-btn:hover {
    background: #1f6feb;
    transform: translateY(-1px);
    box-shadow: 0 4px 20px rgba(31, 111, 235, 0.4);
}

.pdf-icon {
    margin-right: 8px;
}

/* Print styles */
.print-header {
    text-align: center;
    margin-bottom: 30px;
    border-bottom: 2px solid #30363d;
    padding-bottom: 15px;
}

.print-instructions {
    background: #161b22;
    border: 2px dashed #30363d;
    padding: 15px;
    margin-bottom: 30px;
    color: #e6edf3;
    border-radius: 8px;
}

.print-instructions h3 {
    color: #58a6ff;
    margin-top: 0;
}

.print-instructions ul {
    margin-bottom: 0;
}

.print-button {
    background: #0969da;
    color: #ffffff;
    border: 1px solid #1f6feb;
    padding: 10px 20px;
    font-size: 16px;
    cursor: pointer;
    border-radius: 8px;
    margin-top: 10px;
    transition: all 0.3s ease;
}

.print-button:hover {
    background: #1f6feb;
    transform: translateY(-1px);
    box-shadow: 0 4px 20px rgba(31, 111, 235, 0.4);
}

@media print {
    body {
        font-size: 12pt;
        line-height: 1.4;
        background: #ffffff;
        color: #000000;
    }
    .no-print {
        display: none;
    }
    .print-instructions, .print-button {
        display: none;
    }
    .experiment-card {
        border: 1px solid #ccc;
        page-break-inside: avoid;
        margin-bottom: 20px;
    }
}