/* ===== New Header Design ===== */
.app-header .container {
    padding: 15px 0;
    justify-content: space-between;
}

.top-buttons {
    display: flex;
    gap: 8px;
    align-items: center;
}

/* Vertical Divider between groups */
.divider-vertical {
    width: 1px;
    height: 24px;
    background: rgba(255, 255, 255, 0.2);
    margin: 0 4px;
}

/* Button Styling */
.icon-btn {
    background: rgba(255, 255, 255, 0.05);
    /* Softer background */
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text);
    width: 40px;
    /* Slightly smaller for compactness */
    height: 40px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.icon-btn:hover {
    background: var(--primary);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    border-color: var(--primary);
}

/* Custom Select Styling */
.header-select {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text);
    padding: 0 12px;
    height: 40px;
    border-radius: 10px;
    cursor: pointer;
    font-size: 0.9rem;
    outline: none;
    transition: all 0.2s ease;
}

.header-select:hover {
    border-color: var(--primary);
}

.header-select option {
    background: var(--bg);
    color: var(--text);
}