.sample-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    animation: sampleFadeIn 0.3s;
    font-family: 'M PLUS Rounded 1c', sans-serif;
    color: #333;
}

@keyframes sampleFadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.sample-modal-content {
    background-color: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    max-width: 500px;
    max-height: 85%;
    width: 90%;
    box-sizing: border-box;
    position: relative;
    overflow-y: auto;
    animation: sampleSlideIn 0.3s;
}

@keyframes sampleSlideIn {
    from { transform: translateY(-50px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.sample-close {
    color: #aaa;
    position: absolute;
    top: 6px;
    right: 14px;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    line-height: 1;
}

.sample-close:hover {
    color: #000;
}

.sample-modal-title {
    margin: 0 0 12px 0;
    text-align: center;
    color: #3F72AF;
    font-size: 18px;
}

.sample-tabs {
    display: flex;
    gap: 4px;
    border-bottom: 2px solid #DBE2EF;
    margin-bottom: 12px;
}

.sample-tab-btn {
    flex: 1;
    padding: 8px 4px;
    background: transparent;
    border: none;
    cursor: pointer;
    font-size: 14px;
    color: #666;
    border-bottom: 3px solid transparent;
    transition: all 0.2s;
    font-family: inherit;
}

.sample-tab-btn:hover {
    background: #F9F7F7;
    color: #3F72AF;
}

.sample-tab-btn.active {
    color: #3F72AF;
    border-bottom-color: #3F72AF;
    font-weight: bold;
}

.sample-pattern-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(90px, 1fr));
    gap: 8px;
    padding: 4px 0;
}

.sample-pattern-item {
    padding: 10px 8px;
    background-color: #3F72AF;
    color: #F9F7F7;
    border: none;
    border-radius: 6px;
    font-size: 16px;
    font-family: inherit;
    cursor: pointer;
    transition: all 0.2s;
    word-break: break-all;
}

.sample-pattern-item:hover {
    background-color: #2E5A8E;
    transform: translateY(-1px);
    box-shadow: 0 3px 8px rgba(63, 114, 175, 0.3);
}