.compact-header {
    padding: 30px 20px 10px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.compact-header h1 {
    font-size: 44px !important;
    margin-bottom: 10px;
    letter-spacing: -1.5px;
    font-weight: 700;
}

.compact-header h2 {
    font-size: 16px;
    margin-bottom: 20px;
    color: #888;
    max-width: 600px;
    font-weight: 500;
}

.colorselector-container {
    max-width: 1000px;
    width: 100%;
    margin: 0 auto;
    padding: 20px;
}

/* Mode tabs */
.mode-tabs {
    display: flex;
    justify-content: center;
    margin-bottom: 30px;
    border-radius: var(--border-radius-large);
    background-color: var(--color-light-gray);
    padding: 6px;
    width: fit-content;
    margin-left: auto;
    margin-right: auto;
}

.mode-tab {
    padding: 10px 20px;
    font-size: 14px;
    font-weight: 600;
    border: none;
    background: none;
    border-radius: var(--border-radius-small);
    cursor: pointer;
    transition: all var(--transition-fast);
    color: var(--color-secondary);
}

.mode-tab.active {
    background-color: var(--color-white);
    color: var(--color-primary);
    box-shadow: var(--shadow-button);
}

.mode-tab:hover:not(.active) {
    background-color: rgba(255, 255, 255, 0.5);
}

/* Section panels */
.section-panel {
    display: none;
    background-color: var(--color-white);
    border-radius: var(--border-radius-large);
    box-shadow: var(--shadow-card);
    padding: 20px;
    margin-bottom: 30px;
}

.section-panel.active {
    display: block;
}

/* Common elements */
.hidden {
    display: none !important;
}

.checkerboard-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: linear-gradient(45deg, #ccc 25%, transparent 25%),
                      linear-gradient(-45deg, #ccc 25%, transparent 25%),
                      linear-gradient(45deg, transparent 75%, #ccc 75%),
                      linear-gradient(-45deg, transparent 75%, #ccc 75%);
    background-size: 16px 16px;
    background-position: 0 0, 0 8px, 8px -8px, -8px 0px;
}

/* Notification */
.notification {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background-color: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 12px 20px;
    border-radius: 4px;
    font-size: 14px;
    opacity: 0;
    transition: transform 0.3s ease, opacity 0.3s ease;
    z-index: 9999;
}

.notification.show {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

/* Responsive styles */
@media (max-width: 768px) {
    .compact-header h1 {
        font-size: 32px !important;
    }
}

@media (max-width: 480px) {
    .colorselector-container {
        padding: 10px;
    }
    
    .compact-header h1 {
        font-size: 28px !important;
    }
    
    .compact-header h2 {
        font-size: 15px;
    }
    
    .section-panel {
        padding: 15px;
    }
    
    .mode-tab {
        padding: 8px 15px;
        font-size: 13px;
    }
}